_D _D ; tr JLO l CD m BRITISH HYDROID ZOOPHYTES, VOL. IT. II I S T R Y 1' THE BfOTISH HYDROID ZOOPHYTES. BY THOMAS H1NCKS, B.A. IN TWO VOLUMES. VOL. II. PLATES. LONDON: JOHN VAN VOOKST, PATERNOSTER ROW. MDCCCLXVIII. Treasures the vulgar in their scorn rejec-h'' CKABP.E. PRINTED BY TAYI,OK AND FKANCIS, uv.n UON contT, FLKET STREET. The magnified detail has in almost all cases been drawn by the- Author with the Camera lucida, to the same scale. 3728 PLATE I. [ Thejiyures which are not credited to any one else are drawn by the Author."] FIO. 1. CLAVA MULTICORNIS, page 2, natural size. 1 a. The same magnified. 1 b. The planule. From draw- ings by Mr. Alder. 2. CLAVA SQUAMATA, p. 4, nat. size. 2 a. A polypite of the same, magnified. 3. CLAVA CORNEA, p. 5, nat. size. 3 a. A polypite, magnified. ; rffen Wst. .sculp. W West, imp on. John Vkn Vtx>r MDCCCU1.V. PLATE II. FIG. 1. CLAVA LEPTOSTYLA, p. 6, a group, of the natural size. 1 . The same, magnified. After Agassiz, ' Contributions to the Nat. Hist, of the U. S/ vol. iv. pi. xxi. 2. TUBICLAVA CORNUCOPIA, p. 11, nat. size. 2 a. The same, magnified. After Alder. scnlp WWeatnnp. London. . Voorst MDCCCLXIX". . PLATE III. FIG. 1. TURRIS NEGLECTA, p. 13, polypites, of the natural size. 1 a. Polypites, magnified. After Wright. 1 b. A polypite in an earlier stage. After Gosse. 1 c. The medu- siform zooid, magnified. After Forbes. 2. CORDYLOPHORA LACusTRis, p. 16, nat. size. After All man. 2 a. A polypite and a portion of the stem bearing a gono- pliore, magnified. The Author. 3. The gonozooid of SYNCORYNE (SARSIA), p. 49, magnified. The Author. : , ' , & .. ..? , scalp. WWestimp London . .rdm Van Voorst MDCCCLXTY. PLATE IV. Fid. 1. HYDRACTINIA ECHINATA, p. 23, nat. size. 2. A group of the same (female) , magnified. 3. A portion of the crust (magnified) , showing an alimen- tary and fertile polypite, a spine, and the spiral and tentacular appendages. This figure is dia- grammatic. 4. A polypite bearing male gonophores. 5. A monstrous polypite formed by the union of a sterile and a fertile zooid. 6. A polypite in an early stage of growth. After Quatre- fages. . - , - ,. , .1 v . j ^^ f ft /I/Ml Tuf fen West sculp. W West imp London, .fokn \W "Vooraf "MDCCCLVIX'. PLATE V. no. a. PODOCORYNE CARNEA, p. 29, nat. size. b. A portion of a colony, magnified, with the base con- solidated into a crust. c. A portion of a colony, with a simple retiform base. d. The gonozooid, magnified. e. A polypite from the edge of the shell, with three of the spiral appendages. e'. One of the spiral appendages. sctilp. W. West, imp Condon. John V^ V,x>r.-rt . MDCCCLXIX" PLATE VI. FIG. 1. PODOCORYNE AREOLATA, p. 32, on Naticu Alderi, nat. size. 1 a. The same, highly magnified. 1 b. The gonozooid, magnified. 1 c. A portion of the spinous crust, magnified. After Alder. 2. CORYNOPSIS ALDERI, p. 34, polypites magnified. 2 a. The goiiozooid. 2 b. The mamibriiim, showing the oral tentacles. 2 c. One of the bulbs, bearing the ocelli and marginal tentacles. After figures by G. Hodge, Esq. TuffenWesl. sculp. W. West, imp London. John \kn Voorst MDCCCIXT.V. PLATE VII. FIG. 1. COKYNE PUSILLA, p. 39, nat. size. 1 a. A polypite magnified. 1 b. A tentacle with the threads of the nematocysts exserted. 2. CORYNE I'RUTicosA, p. 44, nat. size. 2 a and 2 b. Polypites magnified. 2 c. A portion of the stem, magnified. 3. SYNCORYNE SARSII, p. 52, nat. size. 3 a and 3b. Polypites, magnified. $ff ; k . r PLATE VIII, FIG. 1. CORYNE VAGINATA, p. 41, liat. S1ZC. 1 a and 1 b. Polypites, magnified. 1 c. The cup-like expan- sion of the polypary at the base of the polypite. 2. CORYNE VERMICULARIS, p. 42, nat. size. 2 a. A polypite, magnified *. 2 b. A portion of the stem, magnified. * All the enlarged figure* of Coryne are drawn to the same scale, so as to exhibit the comparative size. Tuffen West sculp. W West imp. Xorulou. JoKn Van. Voorst MDC'CCIXT.V. PLATE IX. FIG. 1. CORYNE VAN-BENEDENII, p. 45, nat. size. la and Ib. Polypites, magnified. 1 c. A gonophore, highly magnified to show the structure and the contained embryo. 1 d. A polypite with goiiophores, magni- fied. 2. SYNCORYNE EXIMIA, p. 50, nat. size. 2 a, 2 b, 2 c. Polypites, magnified. 2 d. A portion of a stem and branch. 2 e. A gonophore, magnified. 2/. Annulated space at the base of the stem. 3. ZANCLEA IMPLEXA, p. 59, nat. size. 3 , A polypite, magnified. 3 b. A portion of the stem, magnified to show the structure of the polypary. 3 c. The gonozooid. After Alder. 3 d. One of the tentacles of Zanclea costata. After Gegenbaur. v ' > - ; i ., v- - J ;; I . , W. West, imp London . John Ym V lX >ra( . MDCCCIXIX" PLATE X. FIG. 1. SYNCORYNE GRAY ATA, p. 53, nat. size. 1 a. The same, magnified. 1 b. A single polypite, more highly magnified. 1 c. A polypite partially atro- phied. 1 d. A polypite wholly atrophied, bearing- two imperfect goiiozooids (T. H.). 1 e. A gono- zooid almost fully developed. If. A female gono- zooid, as it appears late in the breeding-season, laden with ova. All the figures of S. gravata, with the exception of 1 d, are after A gassiz, ' Contrib. to the N. H. U. S.' vol. iii. pi. xvii. 2. SYNCORYNE DECIPIENS, p. 56, polypites, magnified. From a drawing by Mr. Alder. .Y. . - . , Tuft'tm West- soil p. London. .Mm Van Voor.v* . MDCCCIX1X. W. W-t, imp. PLATE XL PIG. a. CLADONEMA RADIATUM, p. 62, nat. size. b. A polypite, highly maguified. c. The gonozooid, nat. size. c'. Ditto, magnified. d. Ditto, as seen from below. e. One of the tentacles of the gonozooid. /. The manubrium, showing the oral lobes. From drawings by E. W. H. Holdsworth, Esq. t -. , .^ , . TuftenWent scalp. London. Voorot "MDCCCTJOy PLATE XII. KIO. 1. STATJRIDIUM PRODUCTUM, p. 68, a polypite, highly mag- nified. 1 a. The gouozooid. 2. CLAVATELLA PROLIFERA, p. 73, a polypite, highly mag- nified, bearing clusters of gonozooids. 2 a. The ambulatory gonozooid, magnified. 3. MYRIOTHELA PHRYGIA, p. 77, a little above nat. size. 3'. The same, partially contracted, nat. size. 3 a. The embryo, magnified. After Alder. 3b and 3d. The gonophore, magnified. 3 c. A tentacle, magnified. 5 & /I - } .-.' '(, ' ", '!:} si scalp. , '' ' rJGW W'M : ffiw !">,-. -> I <.,> , ' ' II 1l'" W. "West unp. Xondon .fohn 'Vkn Voorst MDC'CCIXTX". PLATE XIII. FIG. a. EUDENDRIUM RAMosuM, p. 8.2, nat. size. b. A portion, magnified. c. Ditto, more highly magnified. From drawings by Mr. Tuffen West. T\rffnWt. scalp. W: WeslTiirip Lorvdon. John Tin Voorst MDCCCLXIX PLATE XIV. FIG. 1. EUDENDRIUM ARBUSCULA, p. 84, liat. size. 1 a. Male gonophore, magnified. This figure is after Wright. 2. EUDENDRIUM CAPILLARE, p. 84, liat. size. 3. EUDENDRIUM INSIGNE, p. 86, nat. size. 3 . A polypite, highly magnified. 3 b. A polypite with male gonophores. 4. GARVEIA NUTANS, p. 102,, iiat. size, 4fl. A polypite, magnified. 4>b. Gonophore, magnified. . TwffenWext. sculp. London, .folm Van V.^r.'jt MDCCCLXI.V PLATE XV. FIG. 1. EUDENDRIUM ANNULATUM, p. 83, nat. size. 1 a. The extremity of a branch, magnified. 1 b. A por- tion of one of the larger stems. These figures are after Alder. 2. BlMERIA VESTITA, p. 103, liat. size. 2 a. A portion bearing a gonophore, magnified. 2 b. A tentacle, magnified to show the membranous sheath. After Wright. 3. SYNCORYNE PULCHELLA, p. 57, and Appendix, p. 319, magnified. 3 a. A tentacle, magnified. From drawings by the Author. . ** ' sculp. London, ./olin V^n V<>ort MDCCCUTLV. PLATE XVI. FIG. 1. ATRACTYLIS ARENOSA, p. 88, nat. size. 1 a. Ditto, magnified. 1 b. The ovary after the rupture of the gonophore. From drawings by the Author. 2. PERIGONIMUS REPENS, p. 90, on an operculum, nat. size. 2 . Polypites, magnified. 2 b. The gonozooid, magnified. From drawings by Mr. Alder. 3. PERIGONIMUS SERPENS, p. 95, highly magnified. From a drawing by the Author. Tft'n West scahp. W West, imp. London . ,/ofcn A^ui Voorl MDCCCLVI.V PL ATK XVII. Fin. 1. PKKIGONIMUS SESSILIS, p. 93, magnified. 1 a. A single polypi tc, more highly magnified. After Dr. Strethill Wright. 2. PERIGONIMUS PALLIATUS, p. 93, magnified. After Dr. Strethill Wright. 3. PERIGONIMUS (?) LINEARIS, p. 96, nat. size. 3 a. The same, magnified. 3 b. The gonozooid. After Alder. 4. PERIGONIMUS REPENS (young), p. 90, magnified. From a drawing by Mr. Alder. , TuffeaWest sculp. Wr. West TOP Hondon . JJtn Van. Voorst "MDCCCLJOX PLATE XVIII. via. 1. DlCORYNE CONFERTA, p. 105, nat. S1Z6. 1 . The same, magnified. 1 b. The gonozooid (female), magnified. After Alder. 2. HETEROCORDYLE CONYBEAREI, p. 107, a colony, of the nat. size, on shell. 2 a. A portion, magnified. 2 b. The gonophore, magnified. After Allman. . I I "uft'er. Wr West imp. PLATE XIX. FIG. 1. HYDRANTHEA MARGARICA, p. 100, magnified. 1 . One of the tentacles bearing a cluster of thread-cells, magnified. 1 b. One of the branched vessels of the sporosac. 1 c. Bean-shaped thread-cells, mag- nified. From drawings by the Author. 2. BOUGAINVILLIA RAMosA, p. 109, nat. size. From a drawing by Mr. Tuffeii West. 2 a. A branchlet, magnified, to show the cup-like expan- sion of the polypary around the polypite (T. H ). 2 b. A branchlet, bearing a gonophore, magnified (T. H.) . 2 c. The gonozooid, at the time of detach- ment, highly magnified. After Van Beneden. .'5. BOUGAINVILLIA ? species, p. 1 12, nat. size. 3 a. The same, magnified. From drawings by the Author. x-,; \ W.Wevtnnp London, .fokn Vam Vuomt MDCCC1XIJT PLATE XX. FIG. TUBULARLY INDlVISAj p. 115. a, Nat. size. b. A cluster of gonophores, magnified. c, d. The embryo shortly after its exclusion. Tufftm West sculp. London. John VT* Voorg* . MDCCCIXIJT W. West, m,p PLATE XXI. no;. 1. TUBULAHIA LARYNX, p. 118, nat. size. The Author. 1 a. A polypitej magnified. From a drawing by Mr. Alder. 2. TUBULAKIA CORONATA, p. 119, liat. size. 2 a. A cluster of gonophores, magnified. The Author. 2 b. A single gonophore, highly magnified, to show the contained embryo. After Van Beneden. 3. TUBULARIA BKLLIS, p. 122, nat. size. 3 a. A cluster of gonophores, magnified. The Author. 4. ECTOPLELRA DuMORTiERii, p. 121, nat. size. The Author. 4 a. The gonozooid, magnified. After Van Beneden. Tuffn "W*t sculp. "W. Weal mrp. London . .Win ^an Voorst "MDCCC1XTX". PLATK XXII. FIG. 1. TUBULARIA SIMPLEX, p. 121, Hilt, size. 1 a. The polypite, magnified. After Alder. 2. CORYMORPHA NUTANs, p. 127, iiat. size. From a draw- ing by the Author. 2 a. The gonozooid, magnified. After Hodge. 3. CORYMORPHA NANA, p. 130, magnified. 3 a. The gonozooid after liberation, magnified. 3 b. A group of gonozooids before liberation. 36'. Another group, differently shaped. After Alder. - Tft'n West, sculp. W. West imp- Lorvdon. Join V^ui V,x>rt MDCCCUn.V. PLATE XXIII. FIG. 1. VORTICLAVA HUMILIS, p. 132, nat. size. 1 a. The same, magnified. 1 b. One of the capitate ten- tacles, mnch enlarged. After Alder. 2. YORTICLAVA PROTEUS, p. 133, contracted. 2 a, 2 b, 2 c, .2 d. The same, in different states. 2 c. Dia- gram of the tissues of the polypite. After Dr. Strethill Wright. 3. ACHARADRIA LARYNX, p. 134, magnified. 3 a. An immature polypite. After Dr. Wright. 4. PODOCORYNE FROBOsciDEA, p. 317 (Appendix),, highly magnified. 4 a. A gonophore. 46. The oral extremity of the probos- cis of the polypite. c. A tentacle when con- tracted. 4 d. One of the marginal tentacles of the gonozooid : all magnified. From drawings by the Author. TufJfan*West sculp. W West imp London . JoKn Van Voorst . >fDCCCIJiTX PLATE XXIV. FIG. 1. CLYTIA JOHNSTOXI, p. 143, magnified. 1 a. The gonozooid. 2. CAMPANULARIA VOLUBILIS, p. 160, magnified. 3. CAMPANULARIA Hi. \CKSII, p. 162, magnified. 3 a. Ditto, with the capsule, magnified. TuftenWest. sculp. W.Wesinnp. London . ./olm \W Voorst . MDCCCIX7X" PLATE XXV. FIG. 1. OBELIA GENICULATA, p. 149, nat. size. 1 a. A shoot, magnified. 2. GONOTHYR^EA LovENi, p. 181, nat. size. 2 a. A shoot, magnified, bearing female gonophores. 2 b. A capsule, with male gonophores, magnified. TuffmWst sculp. London. .T<^ Van. Voorst MDCCCLCTX". PLATE XXVI. FIC. 1, 1'. OBELIA GELATINOSA, p. 151, nat. size. 1 a. A portion,, magnified. From drawings by Mr. Tuffeii West. 2, 2 a. CAMPANULARIA RARIDENTATA, p. 17G, magnified. From drawings by Mr. Alder. TuffenTVest sculp. T^rvdon . ,roKn "V^n Voorst PLATE XXVII. FIG. OBELIA LONGISSIMA, p. 154. a. Nat. size. From a drawing by Mr. T. West. b. A portion enlarged (T. H.). ' - -.-. - , -:-; /-/'* ' -i /.>-: '.CJ-'V . : London. Jofcn MDCCCLX1X. t 6 PLATE XXVIII. FIG. 1. OBELIA DICHOTOMA, p. 156, nat. size. From a drawing by Mr. T. West. 1 a. A shoot, magnified (T. H.). 1 b. A capsule, magnified (T. H.). 1 c, 1 (L The gonozooid. From drawings by Mr. Alder. 2. CAMPANULARIA EXIGUA, p. 172, a shoot, magnified (T. H.). 2 a. The gonotheca. After Gegenbaur. ''. - 1 1 : , . ! - .-.-->. au> . pin : ' ; \ S . si i " f^~^ 1 vV /r^r^T^-r^ fj * '4 III] ^"-Jjf \ m \ .-*- ^: nf i i l i -^\ / < \ -> ! .v' - i ' -'~ i / ' ' \ 1 .' i.ib. ' \ ; / - x -^ ' ' V a/y \ -T- \AT ^ '' /^ m i ! 19 f \ij i ' \ . - N \ ' vi/ \ \ . '{ "iX 'N. V\ N^ y V \ \ \ \ \ ft'en"West sculp. London . JoTm ^^n Voorst KDC'CCIXIX PLATE XXIX. FIG. OBELIA FLABELLATA, p. 157. a, b. Nat. size. From drawings by Mr. Tuffen West. c. A shoot, magnified (T. II .) . I' 1 SHWfcv Tft'n West sculp. London, ./olin Van Voorst MDCCCDTl.V. W.West.tmp PLATE XXX. Fid. 1. OBELIA PLICATA, p. 159, nat. size. From a drawing by Mr. Tuffeii West. 1 a. A shoot, magnified (T. H.). 2. CAMPANULARIA NEGLECTA, p. 171, a single calycle, magnified. 2 a. A portion, magnified, showing the polypite. From drawings by Mr. Alder. 2 b, 2 c. The gonotheca, magnified (T. H.). 2 d. The same, with extra - capsular marsupinm (T. H.). % , '< -.. . ,'/'< I . \ * West, sculp. London . .Mm MDCCCIX1.V. ^^^^^^^H PLATE XXXI. FIG. 1. CAMPANULARIA INTEGRA, p. 163, magnified. After Tuffen West. la, Ib. The gonotheca, magnified to show the internal structure (T. II.). 2. CAMPANULARIA CALICULATA, p. 164, 011 red weed, uat. size. 2 a. The same, magnified. 2 b. Calycles, highly magnified to show the structure and differences in shape. After Tuifen West. 2 c. A calycle, drawn to the Author's scale for comparison with other species (T. H.). 2 d. The gonotheca, magnified. After Allman. . \\ V V" ) * V Tuftei. We.M scutp. W.We ai imp- Lorulon. John Van Voorst PLATE XXXII. FIG. 1. CAMPANULARIA VERTICILLATA, p. 167, nat. size. From a drawing by Mr. Tuffen West. 1 a. The same, magnified (T. H.). 2. LOVENELLA CLAUSA, p. 177, magnified. From a draw- ing by the Author. 3. CAMPANULARIA? FRAGILIS, p. 175, nat. size. 3 a. A shoot of the same, magnified. 3 b. A single caly- cle, more highly magnified. From drawings by the Author. PL32. . Tufien~West scalp. W! "West imp. London . John Van. Voorst . MDCCCIXIX. PLATE XXXIII. FIG. CAMPANULARIA FLEXUOSA, p. 168. a. Natural size, b. A shoot, magnified, bearing male capsules. c. A shoot with female capsules. ft'en West, scalp. W.We stamp. . John "Van Voorgt MDCCCLXT.V PLATE XXXIV. FIG. 1. CAMPANULARIA ANGULATA, p. 170, nat. size. 1 a. A portion, magnified. After Tuffeii West. 2. LEPTOSCYPIICTS TENTHS, p. 197, magnified. From a drawing by Prof. Allman. TuffnVTest. sculp W.Westwnp London . John Yam MDCCCLX7X PLATE XXXV. FIG. 1. CAMPANULARIA? GIGANTEA, p. 174, nat. size. 1 a, 1 b. Calycles magnified. These two figures are drawn to the same scale. 2. GONOTHYK/EA? HYALINA, p. 18 1, nat. S1Z6. 2. A shoot, magnified. Tuft'en WVst sculp LoTulon. AW Voorst "MDCCCIX7X" PLATE XXXVI. FIG. 1. GoNOTHYRjEA GRACILIS, p. 183, nat. size. 1 o. The same, magnified. From drawings by the Author. 1'. G. GRACILIS, nat. size. After Sars. 1 b. The gonotheca (female). After Sars. 2. CAMPANULINA TURRITA, p. 190, magnified. From a drawing by Prof. Wyvillc Thomson. st sculp. London, .rolin Van Voorst MDCCCLXT.V. PLATE XXXVII. FIG. CAMPANULINA ACUMINATA, p. 187. a. Nat. size. b. A shoot, magnified. c. The gouozooid. After Dr. Strethill Wright. : '-'-^ ."';'' -....-...- ^'- ..:,-- f^ *w ,. . ' ' , ... ,7 /. * * r * /./ S ;. - a / WK TuffnWet sculp. WiWesixmp. Loiulon. John Van Voor^ MDCCCIXIX". PLATE XXXVIII, FIG. 1. CAMPANULINA REPENS, p. 189, magnified. 1 . The gonozooid. From drawings by Prof. Allmaii. 2. ZYGODACTYLA VITRINA, p. 192, the polypites, magnified. After Wright. 2. The gonozooid. After Gosse. 2b. The oral ex- tremity of the manubrram, magnified, showing the fimbriated lips. After Gosse. , 1 , s - ~ ' - - , -^r--- ' m- .- scalp. London. JcAn T Voorst MDCCCIX1X\ ^^^^H PLATE XXXIX. FIG. 1. OPERCULARELLA LACERATA, p. 194, nat. size. la. A shoot, magnified. The Author. \b, Ic, The male capsules. After Wright. 2. CALYCELLA SYRINGA, p. 206, nat. size. 2 a. The same, magnified. 3. CALYCELLA FASTIGIATA, p. 208, nat. size. 3 a. The same, magnified. 4. CDSPIDELLA IIUMILIS, p. 209, magnified to the same scale as the preceding. 4 a. The same, more highly magnified. TuffenWost sculp. "WWesliznp. London . John ^ux Voorst "MDCCCIXTX" PLATE XL, Fit;. 1. LAFOEA PARVULA, p. 203, nat. size, 1 a, \b. The same, magnified. After Tuffcn West. 2. LAFOEA POCILLUM, p. 204, magnified. 2a, 2b, 2c. The same, more highly magnified. 3. LAFOEA PYGMJSA, p. 205, magnified. 3 a, 3 b. The same, more highly magnified. 4. CUSPIDELLA GRANDIS, p. 210, highly magnified*. 5. CUSPIDELLA COSTATA, p. 210, drawn to the same scale as CUSPIDELLA GRANDIS. 5 a. The same, more highly magnified. * This figure is drawn to the same scale as the Larger figure (4 a) of CITS- IDELLA IHTMIUS on Plate XXXIX. Pl.40. Itu sculp. MIXXCLXI.V PLATE XLI. riG. 1. LAFOEA DUMOSA, p. 200, magnified. 1 a. The same, a single calyclc, more highly magnified (T. H.) 2. LAFOEA FRUTICOSA, p. 202, nat. size. After Alder. 2 a. A portion, magnified (T. H.). 26. The northern form of L. fruticosa, magnified (T. H.). 3. SALACIA AIUETINA, p. 212, nat. size. 3 a. The same, magnified. 3 b. A portion of the stem, more highly magnified. After Alder. 4. FILELLUM SERF-ENS, p. 214, magnified. 4 a. A group of calycles. From drawings by Mr. Alder. 4 b, A single calyclc. From a sketch by Mr. Busk. 5. CorriNiA ARCTA, p. 219, nat. size. From a drawing by the Author. Tuft'en~VTeBt. sculp. WWestunp London. .John Van Voorst MDCCCIA7X". PLATE XLII. FIG. HALECIUM HALECINUM, p. 221. a. a'. Nat. size. From drawings by Mr. T. West. b. A portion, magnified, showing the polypites. c. Capsules with male gonophores. d. Capsules with female gonophores. From drawings by the Author. Tufftm West, sculp W West, imp Lond V ix >rt MD<;CCL\'f.V PLATE XLIII. FIG. 1. HALECIUM MURICATUM, p. 223, nat. size. From a draw- ing by Mr. T. West. 1 a. Portions, magnified (T. H.) . 1 b. Gonotheca (T. West) . 2. HALECIUM BEANII, p. 224, nat. size. From a drawing by Mr. Tuffen West. 2 a. Portions, magnified. 2 b. A branch with male cap sules. 2 c. A branch with female capsules. From drawings by the Author. PM3. tVm W>si .scalp W West imp Londoii. John V, Voorgt MDCCCUOY PLATE XLIV. FIG. 1. HALECIUM LABROSUM, p. 225, nat. size. 1 a. A portion, magnified, with male capsules. After Alder. 2. HALECIUM SESSILE, p. 229, nat. size. 2 a. A portion, magnified, showing the great length of the polypite. From drawings by Mr. Alder. 3. HALECIUM BEANII (?), p. 324 (Appendix), nat. size. 3 a. A portion of the stem, enlarged. 3 b, A capsule. 3 c. A single calycle, more highly magnified. From drawings by the Author. TuftVn "Wast sculp. W West imp. Lorvdon. John V^n Vx>rsl MDCX'CUl.V PLATE XLV. Fid. 1. HALECIUM TENELLUM, p, 226, nat. size. 1 a, 1 b. Portions, magnified. 1 c. The gouotheca. 2, 2'. OPHIODES MIRABILIS, p. 231, magnified. 2. One of the snake-like appendages. 2b. A portion of the intertentacular web, with clusters of thread- cells between the arms. 2 c, A calycle, magnified, showing the diaphragm on which the poly pite rests. 2 d. The gonotheca. -. - Tiiffen'West scalp. WWestnnp. . John "Van Voorst "MDCCCEOX PLATE XL VI. pro. 1. SERTULARELLA POLYZONIAS, p. 235, nat. size. From a drawing by Mr. T. West. 1 . A portion, magnified (T. H.). 1 b. The gonotheca (T.H.). 2. SERTULARELLA GAVE, p. 237, nat. size. 2 a. A portion, enlarged. From drawings by Mr. Alder. Tuften'Wi-il sculp. W:\Vest-unp. London Join Van Voorst "MDCCCIXIX. PLATE XL VII. FIG. 1. SERTULARELLA TRICUSPIDATA, p. 239, nat. size. 1 a. The same, enlarged. After Alder. 2. SERTULARELLA RUGOSA, p. 241, nat. size. 2 a. The same, magnified. 2 b. A portion, more highly magnified. From drawings by Mr. Tuffeu West. 3. SERTULARELLA TENELLA, p. 242, nat. size. 3 a. The same, magnified. 3 b. A single calycle, more highly magnified. 3 c. The gonotheca. After Alder. 4. SERTULARELLA FUSIFORMIS, p. 243, nat. size. 4. A portion, magnified. 46. The gouotheca. From drawings by the Author. ?N . TuffenWest. sculp. W.Westtmp Xoiulon . John Tan Voorst MDCXCIXIY. PLATE XLVI1I. FIG. 1. DIPHASIA ROSACEA, p. 245, nat. size. 1 a. A portion with male capsules, magnified. From drawings by Mr. Tnffcn West. 1 b. Female cap- sule, magnified (T. H.) . Ditto, more highly mag- nified to show the gonophores and internal mar- supium (T. H.). 1 c. A capsule in an early stage of development (T. H.). 2. DIPHASIA ALATA, p. 258, nat. size. 2 a. A branch, magnified. 2b. The capsule (male). After Tuffen West. ir^Mzr^ **ss 5 --x\ ' 5! i ''' mi^^ a TuftVn West sculp. London. Joint ~Van Voor,-+ MDCCCLXTX PLATE XLIX. rid. 1. DlPHASlA ATTENUATA, p. 247, Hat. size. 1 a. Part of a branch, magnified. 1 b. The male capsule. 1 c. The female capsule. 1 d. One of the tendril- like extremities of the shoots. 2. DIPHASIA FALLAX, p. 249, nat. size. 2 . Part of a branch, magnified. 26. The capsule (female) . . Y r 1 TuffenWest. sculp. Lond V,,or.-rt KDCCCLXT.V PLATE L. 1. DlPHASIA PINASTER, p. '252, liat. size. 1 a. A portion bearing a male capsule, magnified. 1 b. The female capsule, magnified. 2. SERTULARIA FUSCA, p. 272, nat. size. 2 a. Culycles, magnified. 2 b. Gonothecse. The last figure is after Johnston. ^ / ]/ i I 1 ' M > Tiffii We.si scitlp. London . John Vkn V t> orsJ MDCCCUHX . PLATE LI. FIG. DlPIIASIA TAMARISCA, p. 254. . Natural size. b. Calycles, magnified. c. A branch with male capsules. d. A branch with female capsules. - , - * London . John V^n Voorst MDCCCDCIX. PLATE LIT. FIG. DlPHASIA PINNATA, p. .255. a. Natural size (male). b. Ditto (female). c. Calycles, magnified. d. Male capsule. e. Female capsule. From drawings by Mr. Tuften West. TuftVm VVesl. sculp. W West imp Lorulon. .folm V^ui V tK >rst MDCCCIXIX". PLATE LIU. Fid. 1. SERTULARIA PUMILA, p. 260, nat. size. 1 a. Portion, magnified. 1 b. The capsule, magnified. 1 c. The same, in a more advanced stage, with the external mar supium. After Lindstrom. The other figures are by the Author. 2. SERTULARIA GRACILIS, p. 262, nat. size. 2 a, 2'. Portions, enlarged. 2b. The capsule. From drawings by the Author. 3. SERTULARIA FILICULA, p. 264, nat. size. From a draw- ing by Mr. T. West. 3 a. Portion, magnified (T. H.). 3b. The capsule. After Ellis. Tuffen West sculp. W.Wesbunp. Ion . .T5 -f.v< ^v '"c -; . , ,vi-i & If, 4^ TnffnWnst- KCl W West imp London. John V VboW* . MDCCCIXIJT. PLATE LVIL FIG. SERTULARIA CUPRESSINA, p. 270. a. Nat. size. From a drawing by Mr. T. West. b, b' . Calycles and capsule, magnified (T. H.). TiiflVrn W W. West imp. London, r^r Van Vlmrsl . Mf)"Cri.YI.V PLATE LVIII. FIG. HYDRALLMANIA FALCATA, p. 273. a. Nat. size. From a drawing by Mr. T. West. b. Calycles, magnified. c. Calycles from a young speci- men. d. The capsule. By the Author. Tuften West, sculp. London. Voorst . "WDCCCIXIX'. PLATE LIX. FIG. THUIARIA THUIA, p. 275. . Nat. size. From a drawing by Mr. Tuffen West. b,b'. Calycles, enlarged (T. H.) . c. A group of capsules, magnified (T. H.). d. The crust from which the shoot rises (T. W.). Tuffen West sculp. WWesttmp London. < Colin 'Van Voorst MDCCCIXI.V PLATE LX. FIG. THUIARIA ARTICULATA, p. 277. a. Nat. size. b. Calycles, magnified. c. A group of cap- sules, magnified. d. A portion of the stem of the Shetland variety. (Vide p. 278.) TuftenWest sculp. W West imp n JoTui Vkn Voorst "MDCCCIXTX. PLATE LXI. FIG. ANTENNULABIA ANTENNINA, p. 280. a, b. Nat. size. From drawings by Mr. T. West. c. A portion magnified to show the form of the calycles and arrangement of the nematophores (T. H.). d, d'. The capsule (T. H.). e. A section of the stem, showing the verticillate arrangement of the branchlets (T. W.). "*~-JI 'i ' : 1 1 --^^^^5*- .. .3 ; >' - ifM 5 1 iilW^K 3 ;r : West. imp. Lorvdon. ./olin Tan V l( or.sl MDCCCU1.V PLATE LX1I. TIG. ANTENNULARIA RAMOSA, p. 282. a. Nat, size. From a drawing by Mr. T. West. b. Por- tion, magnified (T. H.). c. The capsule (T. H.). TuftVn West, sculp. W West, imp London. John Van Voor.sl MDCCCLY1.V PLATE LXIII. FIG. 1. AGLAOPHENIA PLUMA, p. 286, nat. size. 1 . AGLAOPHENIA PLUMA, var. /3, nat. size. From draw- ings by Mr. T. West. 1 b. A calycle, magnified (T. H.). 2. AGLAOPHENIA TUBULIFERA, p. 288, nat. size. From a drawing by the Author. 2 a, 2 b. Side and front views of the calycle (T. W.) . 3. AGLAOPHENIA PENNATULA, p. 292, nat. size. 3 . Calycles, enlarged. From drawings by the Author. TuftVm West sculp. London, -Win V^n Voorst . "NTDCCCIXIX. W West, unp PLATE LXIV. FIG. 1. HALECIUM PLUMOSUM, p. 227, nat. size. 1 a. Portion, magnified. 1 b. A calycle, more highly mag- nified. From drawings by the Author. 2. AOLAOPHENIA MYRIOPHYLLUM, p. 290, nat. size. From a drawing by Mr. T. West. 2. A single calycle, magnified (T. H.). 3. The corbula of AGLAOPHENIA TUBULIFERA, magnified. From a drawing by the Author. I :i >BSl ,-.CU I p. . .Win V^ Voor.^t MDCCCLX1.V W Wvxl tmp PLATE LXV. FIG. 1. PLUMULARIA PINNATA, p. 295, nat. size. 1 . Portion of a pinna, magnified. 1 b. Capsules, mag- nified. 2. PLUMULARIA ECHINULATA, p. 302, nat. size. 2 a. Stem and pinme, magnified. 2 b. A piece of the creeping stolon with capsules, magnified. 3. PLUMULARIA SIMILIS, p. 303, nat. size. 3 a. Stem and pinnae, magnified. 3 b. Capsule *. This figure is drawn to a larger scale than the rest. V'.' , Tfl'nWe.si. -sculp. W. West np. Ixmdon. John Tan Voow* . MDCCC1X1.V. PLATE LXVI. FIG. 1. PLUMULARIA SETACEA, p. 297, iiat. size. 1 a. A portion of the stem and pinnae, magnified, showing the axillary position of the capsule. 2. PLUMULARIA CATHARINA, p. 299, nat. size. 2 a. Portion, magnified. 2 b. The capsule (female) . 1 /.-. Tiiffan Went sculp. W West. np London ,/ohn V^n Wi.sl MDCCCIX1X. PLATE LXVIL FKi. 1 . PLUMULARIA OBLIQUA, p. 304, nat. size. 1 a. A portion of the stem, magnified, with a single pinna. 1 b. A calycle, more highly magnified. The last figure is from a drawing by Mr. Busk. 2. PLUMULARIA HALECIOIDES, p. 306, nat. size. 2 a. Stem and pinnae, magnified. 2 b. A portion of the compound stem. 2 c. The capsule. 3. PLUMULARIA FRUTESCENS, p. 307, nat. size. 3 a. Pinna, magnified, with a capsule. Tuf ten "West, sculp Lorulon. JoXnVsn Voorst >TDCCCIXTy MMfflM^m""^BI ^^^^^KHBHjaBHi ^^^MMJIIBM WMtt^tiM^ H^Hifl^niflEB^^^DiBID^DIDIOlDlDlfll DlDlD^DlDID^D^DU^B^HI^^^^ifl^^^^flH] iisiiii