EPS 4 rr da a r (r A t GË E A = no Us a h EE e T des ^ C tis fat Í Ree 5 Zeen € ira iplo per ki acut bal Aaa i i 3 i SET gv ix V ër * LK «vår SEX D spa M ve FANE pr iv 4 vU AT ca ud e campa pr 4 ere Que EA D jr er ZE CPU cb ^ pai þri dii pera UE p e ehe bk RU) ab da si nk Í pe MA ER CA bo ni i or op at^ CRM gp Á > y EE ts a kona PA Ak da Penal í e Lo pre Kä ess? KUNA ADA > dër rr nar GP È hør 1P debre sito: SOA de al re CL en. ork partit th bin ER Bor ee x v RÉI D = Gw Lë dh 4 P KE ake (GS ee KENE Oe raid ati fodit gá Dugdi Së d y r ek ESTERA pit ` SE pedi d meh LER Ade N = Det ber ok rn appe EE iet : TG gen RARE PARA E: desee lv baba f m pe i ETC pe d atri På We Gar Zë Eege ha ds vert! BEE, VT P x C A selge pertencia CI S : ri KE peii mie rt^ pa - C j reme ^ 7 4 ër Qus Kii titii? õli ur ie d bt zën R tet + H $ UC WE : i ör AWA AE ERa en : Musis T d | A UFU gr ea SA SCH an kruute s nuk AR du a etc e Stem Ro badi ato dd y esta Ar At 79 ii), t < D dehet SES Sie Ce - p vi arver om YRZ å Øk já nrk LR hær abi kee bee LAM E Pee k ARA TAPE LA vs t e ENE A bo a t fe quich w Cé Pa halo he E DES 5 rre kaano pb di at Let rA Á vi ^ AKA t Noa. ai Seen gle ; BOND 1939 Library of the Museum OF COMPARATIVE ZOOLOGY, AT HARVARD COLLEGE, CAMBRIDGE, MASS, Pounded bp private subscription, in 1861. Deposited by ALEX. AGASSIZ. No. UNITED STATES EXPLORING EXPEDITION. DURING THE YEARS 1838, 1889, 1840, 1841, 1842, UNDER THE COMMAND OF CHARLES VV LLERS sn VA ATLAS. MOLLUSCA AND SHELLS. BY 7 AUGUSTUS A. GOULD, M.D, FELLOW OF THE AMERICAN ACADEMY OF ARTS AND SCIENCES; AND OF THE AMERICAN PHILOSOPHICAL SOCIETY ; MEMBER OF THE ACADEMY OF NATURAL SCIENCES AT PHILADELPHIA; OF THE BOSTON SOCIETY OF NATURAL HISTORY, ETC. PHILADELPHIA: C SHERMAN & SON, PRINTERS "1856. e EXPLANATION OF PLATES MOLLUSCA AND SHELLS PLATE. Fig. 1. LimAx COLUMBIANUS, side view; 1a, mottled variety; 10, face; 1c, calcareous rudiment.—p. 3. Fig. 2. ARION'FOLIOLATUS, side view; 2 a, papille, enlarged ; 20, dark variety.—p. 2. Fig. 3. LIMAX OLIVACEUS, side view; 8 a, the animal, contracted ; 3 b, transverse section.—p. 4. . Fig. 4. LIMAX FULIGINOSUS, the animal, crawling; 4 a, transverse section.—p. 5. Fig. 5. VAGINULUS TAUNAISI, the animal, extended; 5 a, the head; 50, portion of the foot.—p. 5. Fig. 6. ATHORACOPHORUS BITENTACULATUS, animal, extended ; 6 a, view of the back ; 6 b, mode of coiling itself; 6 c, the head.—p. 2. Fig. 7. VITRINA RUIVENSIS, the animal, extended; 7 a, the ani- mal, retracted in the shell; 7 b, back of the shell; 7 c, aperture of the shell; 7 d, profile of the shell.—p. 6. Fig. 8. VITRINA NITIDA, top of shell, with the animal, 8 a, base of the shell; 8 2, profile of the shell.—p. 9. Fig. 9. VITRINA CAPERATA, front view of the shell; 9 a, view from above.—p. 10. Fig. 10. VITRINA TENELLA, the front; 10 a, the back; 10 5, the base of the shell, —all enlarged; 10 c, natural size.—p. 11. Fig. ll. VrrRINA ROBUSTA, front view of the shell; 11a, back of the shell; 11 b, base of the shell.—p. 10. Fig. 12. VITRINA MARCIDA, dorsal view of the shell, with th animal extended; 12a, front of the animal; 120, base of the shell; 12 c, edge of the shell.—p. 7. Fig. 18. VITRINA FURVA, shell, with the animal as in crawling. —p. 12. PLATE X Fig. 14. SUCCINEA ROTUNDATA, the aperture, enlarged, 14 a, the spire, enlarged; 14 b, profile of the shell, magnified; 14 c, natural size; 14 d, shell, with the animal, 14 e, front of the animal.—p. 15. Fig. 15. SUCCINEA CEPULLA, the aperture, magnified, 15 a, pro- file of the shell, magnified ; 15 b, natural size.—p. 16. Fig. 16. SUCCINEA PUTAMEN, animal, with the shell, seen late- rally; 16 a, the same, seen from above; 160, aperture of the shell; 16 c, back of shell. —p. 13. Fig. 17. SUCCINEA VESICALIS, view of the aperture; 17 a, pro- file view of the shell. —p. 21. Fig. 18. SUCCINEA LUMBALIS, front, and 18 a, the profile view of the shell, enlarged, 18 b, natural size.—p. 17. Fig. 19. SUCCINEA HUMEROSA, front view of the shell; 19 a, late- ral view of the shell.—p. 18. Fig. 20. SUCCINEA CANELLA, aperture, and 20 a, profile of the shell, enlarged; 20 b, natural size.—p. 27. Fig. 21. SUCCINEA CROCATA, front of the shell; 21 a, profile of the shell; 21 b, the animal, with the shell.—p. 28. Fig. 22. SUCCINEA MAGELLANICA, the front, and 22 a, profile of the shell, enlarged; 220, the animal, with the shell, enlarged; 22 c, natural size.—p. 24. Fig. 28. SUCCINEA MANUANA, the aperture, and 23 a, the pro- file view of the shell, enlarged, 23 b, natural size.—p. 25. Fig. 24. SUCCINEA MODESTA, the aperture; 24 a, profile of the shell, and 24 b, side of the shell with the animal, twice the natu- ral size; 24 c, natural size.—p. 23. Fig. 25. SUCCINEA VENUSTA, front of the shell, enlarged; 25 a, lateral view of the shell, enlarged, 25 b, natural size.—p. 22. Fig. 26. SUCCINEA INFUNDIBULIFORMIS, the aperture, and 26 a, profile view of the shell, enlarged; 26 6, natural size; 26 c, ani- mal, with the shell; 26 d, head of the animal.—p. 19. Fig. 27. SUCCINEA PUDORINA, the aperture of the shell; 27 a, the profile view of the shell; 27 b, the animal, bearing the shell. —p. 21. Fig. 28. SUCCINEA PROCERA, aperture of the shell, 28 a, profile view of the shell; 28 b, the animal, bearing the shell.—p. 20. Fig. 29. SUCCINEA RUSTICANA, front of the shell; 29 a, side of the shell, with the animal; 29 4, profile of the shell.—p. 28. Fig. 30. SUCCINEA CADUCA, the ventral, and 30 a, the lateral view of the shell, enlarged ; 30 5, natural size.—p. 26. Fig. 31. SUCCINEA EXPLANATA, the front, 31 a, the back, and 31 b, the edge of the shell, enlarged; 31 c, natural size.—p. 13. MOLLUSCA AND BEATE 3 Fig. 32. HELIX NITIDIUSCULA, shell, with the animal; 32 a, head and neck of the animal, from above.—p. 64. Fig. 33. HELIX SAXATILIS, animal, with the shell, enlarged ; 33 a, profile of the shell, and 33 8, base of the shell, enlarged ; 33 c, natural size.—p. 42. Fig. 34. HELIX LYRATA, animal, with the shell, enlarged; 34a, profile, and 34 0, base of the shell, magnified ; 34 c, natural size.— p. 39. Fig. 35. HELIX LABIOSA, animal, with the shell; 85 a, the side, and 35 b, the base of the shell; 35 c, portion of the surface, mag- nified.—p. 67. Fig. 36. HELIX TOWNSENDIANA, outline, with the animal. —p. 66. Fig. 37. HELIX VANCOUVERENSIS, outline, with the animal.— p. 36. Fig. 38. HELIX NUTTALLIANA, outline, with the animal.—p. 66. Fig. 39. HELIX LORICATA (H. Lecontei, Lea, Trans. Amer. Philos. Soc. 2d ser. X. pl. 30, f. 13), lateral, and 39 a, basal views of the shell, enlarged ; 39 b, natural size; 39 c, portion of surface, mag- nified.—p. 68. Fig. 40. HELIX GERMANA, 40 a, and 400, three views of the shell, enlarged ; 40 c, natural size.—p. 70. Fig. 41. HELIX STRIGOSA, the front; 41 a, the profile, and 410, the base of the shell.—p. 36. Fig. 42. HELIX SPORTELLA, the front; 42 a, the profile, and 42 b, the base of the shell; 42 c, portion of the surface, magnified.—p. 37. Fig. 43. HELIX GULOSA, animal, with the shell, 43 a, aperture of the shell; 43 b, base of the shell.—p. 64. Fig. 44. HELIX z10zA0, the shell, from above; 44 a, view of the side; 44 b, the base; 44c, portion of the surface, magnified ; 44 d, outline of the aperture, enlarged.—p. 41. Fig. 45. HELIX SPIRILLUS, the superior ; 45 a, the lateral, 45 5, the inferior view of the shell, enlarged; 45 c, natural size.—p. 41. Fig. 46. HELIX PAUXILLUS, superior view, enlarged; 46 a, the side, and 46 b, the base of the shell, enlarged, 46 c, natural size. —p. 40. Fig. 47. HELIX INTAMINATA, shell, with the animal.—p. 35. Fig. 48. HELIX GRADATA, from above; 48 a, and 48 b, basal and lateral views of the shell, enlarged ; 48 c, natural size.—p. 49. PLATE 4. Fig. 49. HELIX RUBIGINOSA, dorsal view of the shell, enlarged ; _ 40 a, and 49 b, side and base of the shell, enlarged ; 49 c, natural size.—p. 50. Fig. 50. HELIX OBOLUS, the shell, above, enlarged ; 50 a, the base, and 50 b, the side of the shell, enlarged; 50 c, natural size.—p. 53. Fig. 51. HELIX DADALEA, superior; dla, lateral; 510, basal views of the shell, enlarged; öl c, natural size; öl d, the aper- ture, magnified.—p. 54. Fig. 52. HELIX BURSATELLA, shell, with the animal; 52a, aperture of the shell, enlarged; 52 b, depressed variety, with the animal; 52c, the side, and 52 d, the base of the distorted variety, magnified ; 52 e, natural size; 52 f, 52 y, 52 h, three views of the normal form, enlarged; 524, natural size; 52k and 521, views of the young shell, enlarged; 52 m, natural size.—p. 51. Fig. 52". HELIX HYSTRIX, the top; 52°a, the side, and 52° b, the base of the shell, enlarged; 52* c, natural size.—p. 55. Fig. 52, HELIX STELLULA, the top; 52! a, the side, and 52! b, the base of the shell, enlarged ; 52! c, natural size.—p. 56. Fig. 53. HELIX TUMULUS, lateral view of the shell; 53 a, supe- rior, and 53 b, inferior views of the shell.—p. 62. SHELLS. Fig. 54. HELIX TENTORIOLUM, the animal, with the shell.—p. 63. Fig. 55. Hee TROILUS, the animal, with the shell of variety e; 55 a, top of the shell, of the same variety; 55 b, top of the shell of variety b; 55 c, lateral view of the shell of variety a.— p. 58. Fig. 56. HELIX CRESSIDA, shell, from above; 56 a, 56 b, 56 c, lateral, basal, and superior views of the green variety.—p. 57. Fig. 57. Herix EuRYDICE, the shell, from above, 57 a, the shell, from beneath; 57 b, lateral view of the shell.—p. 60. Fig. 58. HELIX TROCHIFORMIS, shell, with the animal; 58a, shell, from above; 58 b, shell, from below.—p. 6l. Fig. 59. HELIX CULTRATA, shell, from above, enlarged; 59 a, and 59 b, side and base of the shell, enlarged ; 59 c, natural size. —p. 46. PLATE 5: Fig. 60. HELIX PERTENUIS, the shell, from above, enlarged; 60 a, and 602, lateral and basal views of the shell, enlarged ; 60 c, natural size.—p. 45. Fig. 01. HELIX EXAQUATA (H. disculus, Pfeiffer, in Menke's Zeitsch. 1850, p. 153), top of the shell, enlarged; 61a, the side, and 61 b, the base of the shell, enlarged, 61 c, natural size — p. 47. Fig. 62. HELIX SUBTILISSIMA, the shell, from above, magnified ; 62 a, and 628, lateral and basal views of the shell, enlarged ; 62 c, natural size.—p. 48. Fig. 63. HELIX CALOULOSA, the shell, from above, enlarged ; 63 a, the side, and 63 5, the base of the shell, magnified; 63 c, natural size.—p. 48.. Fig. 64. Hrs TONGÀNA, front view of the shell, enlarged ; ' 64 a, shell, with the animal; 640, natural size. [Nore. The specimens of H. fornicata, intended to have been figured here, were accidentally lost, and H. Tongana has been substituted. | Fig. 65. HELIX (NANINA) IRRADIATA, shell, with the animal, 65 a, shell, from above, and 65 b, the base of the shell, enlarged, 65 e, natural size.—p. 34. Fig. 66. HELIX (NANINA) RUBRICATA, the animal, with the shell; 66 a, portion of the surface, magnified, to show the sculp- ture.—p. 29. Fig. 67. HELIX (NANINA) SCORPIO, lateral view of the animal and shell; 67 a, dorsal view of the animal and shell; 67 b, mucus- pore, enlarged.—p. 88. Fig. 68. HELIX (NANINA) LURIDA, shell, from above; 68 a, an 68 b, lateral and basal views of the shell. —p. 31. Fig. 69. HELIX (NANINA) CASCA, the shell, from above; 69 a, lateral view of the shell, 69 b, the shell, from beneath.—p. 81. Fig. 70. STREPTAXIS CONTUSA, shell, with the animal; 70 a, outlines of the head, magnified.—p. 71. Fig. 71. HELIX (NANINA) FRICATA, the shell, from above; 7la, and 71 b, lateral and basal views of the shell.—p. 32. Fig. 72. HELIX CRYPTOPORTICA, shell, from above, enlarged ; 72 a, and 720, lateral and basal views of the shell, enlarged ; 72 c, natural size.—p. 44. Fig. 73. HELIX CICERCULA, the shell, from above, enlarged, 73 a, and 73 b, lateral and basal views of the shell, enlarged; 73 c, natural size.—p. 43. Fig. 74. HELIX DEVIA, view of the shell, from above; 74 a, lateral view of the shell; 74 b, basal view of the shell.—p. 69. PLATE 6. Fig. 75. BULIMUS AURIS-LEPORIS, side view of the animal, with the shell.—p. 78. shell; 76 a, facial view of the head of the animal. —p. 18. Fig. TT. BULIMUS FULGURATUS, shell, with the animal.—p. 80. Fig. 78. BULIMUS MALLEATUS, shell, with the animal. —p. 81. Fig. 79. BULIMUS PROLATUS, ventral view of the AN, TIa, dorsal view of the shell.—p. 74. Fig. 80. BULIMUS CILIATUS, ventral view of the shell, 80 a, dorsal view of the shell, with the animal.—p. 75. Fig. 81. BULIMUS CHILENSIS, side view of the animal, with the shell; 81a, and 815, views of the head, in front and from beneath.—p. 79. ; Fig. 82. BULIMUS MOROSUS, ventral view of the shell; 82 a, dorsal view of the shell.—p. 72. Fig. 83. BULIMUS PRUNINUS, ventral view of the shell; 83 a, dorsal view of the shell.—p. 73. Fig. 84. BuLimus ELOBATUS, ventral view of the shell; dorsal view of the shell.—p. 72. Fig. 85. BuLimus SHONGU, the animal, with the shell, seen from above; 85 a, lateral view of the animal, with the shell ; 85 b, front view of the head of the animal.—p. 79. Fig. 86. BULIMUS EGREGIUS, frontal view of the shell, dorsal view of the shell.—p. 77. Fig. 87. BULIMUS JUNCEUS, front view of the shell, enlarged; 87 a, natural size.—p. 76. Fig. 88. PARTULA CONICA, shell of the brown variety, pit the animal; 88 a, ventral view of the yellow variety.—p. 81. Fig. 89. PARTULA ZEBRINA, a dark shell, with the animal; 89 a, the pale variety.—p. 82. 84 a, 86 a, PLATE 7. Fig. 90. PARTULA PUSILLA, the shell, enlarged; 90 a, natural size.—p. 83. Fig. 91. PARTULA TAHEITANA, shell, with the animal.—p. 84. Fig. 92. PARTULA VARIA, shell, with the animal.—p. 85. Fig. 93. PARTULA VANIKORENSIS, shell, with the animal.—p. 85. Fig. 94. ACHATINELLA MARMORATA, ventral view of the shell; 94 a, dorsal view of the shell.—p. 85. Fig. 95. ACHATINELLA NUBILOSA, ventral view of the shell.—p. 86. Fig. 96. ACHATINELLA ELLIPSOIDEA, ventral view of the shell; 96 a, dorsal view of the shell.—p. 87. Fig. 97. ACHATINELLA ACCINCTA, ventral view of the shell; 97 a, shell, with the animal, seen laterally.—p. 88. Fig. 98. ACHATINELLA GUTTULA, ventral view of the shell, en- larged, 98 a, natural size.—p. 89. Fig. 99. ACHATINELLA CEREALIS, ventral view of the shell, en- larged, 99 a, natural size.—p. 90. Fig. 100. ACHATINELLA ACUMINATA, ventral view of the shell, enlarged, 100 a, natural size.—p. 87. Fig. 101. MEGASPIRA ELATA, view of the aperture, enlarged.— p. 91. | Fig. p. 92. Fig. 103. VERTIGO TANTILLA, ventral view of the shell, enlarged ; 108 a, lateral view of the shell, enlarged; 103 b, natural size.—p. 92. Fig. 104. PUPA PEPONUM, front view of an elongated specimen, magnified; 104 a, a short specimen, magnified; 104 6, natural 102. MEGASPIRA ELATIOR, view of the aperture, enlarged. — size; 104 c, 104 d, 104 e, views of the aperture, enlarged.—p. 98. 2 MOLLUSCA AND SHELLS. Fig. 76. Bones PROTEUS, the Á with a quae of the Fig. 105. BALEA PEREGRINA, enlarged; 105 a, profile of the aperture, enlarged; 105 b, natural size.—p. 91. Fig. 106. HELICINA FULGORA, shell, with the animal; 106 a, lateral view of the shell, magnified two and a half diameters 3.105 b, pit at the base of the a enlarged ; 106 c, natural size.— p. 97. Fig. 107. HELICINA MUSIVA, shell, with the animal, 107 a, front view of the shell, magnified three diameters ; 107 b, natural size.— p. 98. | | Fig. 108. HELICINA LACINIOSA, and 108a, two views of the shell, magnified three diameters; 108 c, natural size.—p. 99. Fig. 109. HELICINA TROCHLEA, anterior view of the shell, mag- nified, 109 a, and 109 b, inferior and superior views of the shell, enlarged; 109 c, natural size. —p. 99. Fig. 110. HELICINA MULTICOLOR, view of the shell from above, magnified, 110 a, and 110 2, profile and basal views of the shell, enlarged, 110 c, natural size.—p. 100. Fig. 111. HELICINA BERYLLINA, shell, with the animal; 111 a, basal view of the shell.—p. 95. “Fig. 112. HELICINA MAUGERIZ, shell, with the animal, magni- fied one-fourth.—p. 95. Fig. 118. HELICINA PALLIDA, ventral view of the shell, enlarged ; 113 a, the superior, and 118 b, the inferior views of the shell, en- larged; 113 c, natural size —p. 96. Fig. 114. HELICINA UBERTA, profile view of the shell in front, magnified, 114 a, the shell, from above, and 114 b, the shell, from beneath, enlarged; 114 c, natural size.—p. 94. PLATE 8. Fig. 116. CYCLOSTOMA TIARA, view of the shell, from above ; 116 a, lateral view of the shell.—p. 101. Fig. 117. CYCLOSTOMA STRIGATUM, lateral view of the shell , 117 a, base of the shell; 117 2, shell, seen from above. —p. 102. Fig. 118. baa PLICATUM (C. Apia, Recluz, in Journal Conchyliologique, 1851, p. 213, pl. 6, £. 10, IL), shell, with the animal, 118 a, and 1185, top and base of the shell. [De Ver- neuil has given this name to a fossil species; consequently, the name more recently applied by Recluz must be substituted.]—p. 103. Fig. 119. CYCLOSTOMA OBLIGATUM, lateral view of the shell; 119 a, view of the shell from beneath.—p. 104. Fig. 120. CYCLOSTOMA TEREBRALE, an elongated specimen, en- larged; 120 a, a short specimen, enlarged; 120 b, natural size.— p. 106. Fig. 121. OvcLosroxA roseum, ventral view of the shell, en- larged; 121 a, side view of the last whorl, enlarged; 121 2, natural size.—p. 105. Fig. 122. CYOLOSTOMA VALLATUM, ventral view of the shell, en- larged, 122 a, natural size.—p. 107. Fig. 123. CYCLOSTOMA SCITULUM, ventral view of the shell, en- larged, 123 a, lateral view of the shell, enlarged, 123 b, natural size.—p. 108. Fig. 124. CYCLOSTOMA DIATRETUM, view of the shell, from above ; 124 a, the same in front; 124 b, the same from beneath.—p. 105. Fig. 125. TRUNCATELLA AURANTIA, front view of the shell, en- larged ; 125 a, side view of the last whorl, enlarged ; 125 b, na- tural size.—p. 110. Fig. 126. TRUNCATELLA VITIANA, ventral view of the shell, en- larged ; 126 a, last whorl, seen laterally, enlarged; 126 b, natu- ral size.—p. 109. MOLLUSCA AND SHELLS. Fig. 127. TRUNCATELLA PORRECTA, ventral view of the shell, en- larged ; 127 a, side view of the last whorl, enlarged, 127 0, aper- ture, closed by the operculum, enlarged ; 127 c, natural size.—p. 110. Fig. 128. TRUNCATELLA ROSTRATA, front of the shell, enlarged, 128 a, side of the last whorl, enlarged, 128 b, natural size.—p. 111. Fig. 130. PLANORBIS CORPULENTUS, side vievv of the shell, vith the animal; 130 a, the locomotive disk of the animal; 130 0, the head, in outline.—p. 113. Fig. 151. PLANORBIS VERMICULARIS, enlarged view of the shell, from above; 181 a, the same, from beneath; 131 b, the same, in front; 131 c, natural size —p. 112. Fig. 132. PLANORBIS OPERCULARIS, enlarged view of the shell, from above; 132 a, the same, in front; 182 6, the same, from be- neath; 132 c, natural size. —p. 113. Fig. 133. PLANORBIS RERMATOIDES, outline of the shell, with the animal. —p. 114. Fig. 134. PHYSA VENUSTULA, shell with the animal, from be- neath; 134 a, lateral view of the shell and animal, enlarged, 134 b, natural size. —p. 115. Fig. 135. PHYSA RIVALIS, shell, in outline, with the animal. —p. 120. Fig. 136. PHYSA TABULATA, front view of the shell; 136 a, late- ral view of the animal and shell; 136 5, shell with the animal, seen from beneath.—p. 116. Fig. 137. PHYSA GIBBOSA, lateral view of the shell, with the animal, 137 a, front view of the shell.—p. 117. PEATE 9 20 Fig. 138. PHYSA VIRGINEA, ventral view of the shell; 138 a, dorsal view of the shell.—p. 120. i Fig. 139. PHYSA SINUATA, ventral view of the shell; 139 a, pro- file view of the shell—p. 118. Fig. 140. PHYSA RETICULATA, an elongated specimen, ventral view; 140 a, dorsal view of the same; 140 b, dorsal view of a short specimen.—p. 118. Fig. 141. LIMNEA LEPIDA, ventral view of the shell; 14la, dorsal view of the shell.—p. 121. Fig. 142. LIMNEA VOLUTATA, ventral view of the shell, enlarged ; 142 a, dorsal view of the same; 142 5, natural size.—p. 122. Fig. 143. DomBEYA OBOVATA, ventral view of the shell; 143 a, dorsal view of the shell.—p. 124. Fig. 144. DOMBEYA FLUMINEA, lateral view of the shell and ani- mal; 144 a, ventral view of the shell and animal.—p. 124. Fig. 145. DOMBEYA FASCIATA, ventral view of the shell; 149 a, dorsal view of the shell. —p. 123. Fig. 146. MELANOPSIS ZELANDICA, lateral view of the shell, with the animal; 146 a, ventral view of the same; 146 b, aperture of the shell —p. 130. Fig. 147. AMPULLARIA COLUMELLARIS, ventral view of the shell ; 147 a, dorsal view of the shell.—p. 126. ` Fig. 148. AMNICOLA ANTIPODARUM. Fig. 149. AMNICOLA COROLLA, the animal, enlarged, as seen from below; 149 a, lateral view of the animal, with the shell, enlarged ; 149 2, ventral view of the shell, enlarged; 149 c, natural size.— p. 129. Fig. 150. AMNICOLA BADIA, ventral view of the shell, enlarged ; 150 a, dorsal view of the shell, enlarged; 150 b, natural size.—p. 126. Fig. 151. AMNICOLA GRACILIS, ventral view of the shell, en- larged, 151 a, dorsal view of the shell, enlarged; 1510, natural size.—p. 127. Fig. 152. enlarged ; 152 a, dorsal view of the shell, enlarged ; 152 b, natural CINGULA PETENINGENSIS, ventral view of the shell, size.—p. 130. Fig. 153. MELANIA TETRICA, ventral view of the shell; 153 a, dorsal view of the shell, 1580, outline figure of an unarmed specimen.—p. 183. Fig. 154. MELANIA CYBELE, ventral view of the shell; 154 a, dorsal view of the shell; 154 2, lateral view of the animal; 154 c, the operculum, outer and inner surface.—p. 132. Fig. 155. MELANIA TERPSICHORE, ventral view of the shell; 155 a, ventral view of the shell, 155 b, figure of a young specimen.— p. 133. Fig. 156 a, young specimen, with the animal, to show the velvet; 156, 156. MELANIA SCIPIO, lateral view of the animal and shell; locomotive disk of the animal; 156 b, lateral view of a young shell, to show the coloring; 156 d, profile view of the aperture; 156 e, the operculum, outer and inner surface. —p. 134. ~ Fig. 157. MELANIA VAINAFA, lateral view of the shell, with the animal; 157 a, view of the shell, with the animal, from beneath; 157 b, the operculum.—p. 138. Fis. 158. MELANIA SCITULA, ventral, 158 a, dorsal, and 158 2, profile views of the shell.—p. 140. Fig. 159. MELANIA LUTOSA, lateral view of the shell, with the animal; 159 a, the animal, seen from beneath; 159 b, profile of the aperture, in outline, 159 c, the operculum.—p. 156. Fig. 160. MELANIA PERPINGUIS, lateral view of the shell, with the animal; 160 a, lateral view of a young specimen, with the animal; 1600, ventral view of the shell; 160 c, a young shell, dorsal view.—p. 142. Fig. 161. MELANIA CORPOROSA, lateral view of the shell, in out- line, with the animal; 161 a, view of the shell and animal, from beneath.—p. 137. Fig. 162. MELANIA FURFUROSA, ventral view of the shell; 162 a, dorsal view of the shell.—p. 139. Fig. 163. MELANIA BULBOSA, ventral view of the shell; 163 a, dorsal view of the shell. —p. 142. Fig. 164. MELANIA SILICULA, ventral view of the shell; 164 a, dorsal view of the shell.—p. 141. Fig. 165. MELANIA PLICIFERA, ventral view of a variety from Lake George, Oregon.—p. 143. Fig. 166. Cerrrmum (Potamis) SACRATUM, ventral view of the shell; 166 a, dorsal view of the shell.—p. 144. Fig. 167. CERITHIUM ADUNCUM, ventral view of the shell, 167 a, dorsal, and 167 b, profile views of the shell.—p. 147. Fig. 168. CERITHIUM IRRORATUM, ventral view of the shell; 168 a, profile view of the shell.—p. 148. Fig. 169. CERITHIUM INVAGINATUM, ventral view of the shell; 169 a, dorsal view of the shell, 169 2, details of sculpture, magni- fied.—p. 146. : i Fig. 170. CERITHIUM SORDIDULUM, ventral aspect of the shell, en- larged; 170 a, dorsal view of the shell, enlarged; 170 b, details of sculpture, magnified ; 170 c, natural size.—p. 145. Fig. 171. CERITHIUM EGENUM, ventral view of the shell, en- larged; 171 a, the shell, natural size; 171 2, details of sculpture, magnified.—p. 151. Fig. 172. CERITHIUM PUSILLUM, ventral view of the shell, en- larged, 172 a, dorsal view ; 172 b, natural size.—p. 150. Fig. 173. CERITHIUM JANTHINUM, ventral view of the shell, en- larged; 173 a, natural size; 173 b, details of sculpture, magnified. —p. 152. Fig. 174. CERITHIUM CÆLATUM, lateral view of the shell, with the animal, enlarged, 174 a, ventral view of the shell, with the ani- mal, enlarged; 174, locomotive disk, enlarged; 174 c, natural size of the shell; 174 d, the operculum, magnified.—p. 148. Fig. 175. CERITHIUM FILOSUM, ventral view of the shell, enlarged ; 175 a, dorsal view of the same; 175 5, details of sculpture, mag- nified ; 175 c, natural size.—p. 149. PER TRES IG Fig. 176. PELEX LATERALIS, ventral view of the shell, enlarged, 176 a, and 176 b, lateral and dorsal views of the shell, enlarged ; 176 c, natural size. [Latia neritoides, Gray, Zool. Proc. 1849, p. 168. Crepidula neritoides, Recluz, in Journ. Conchyliol. 1851, p. 205, pl. 6, f. 16, 17; Menke's Zeitsch. 1852, p. 182.)—p. 153. Fig. 177. NAVICELLA FREYCINETI (2), lateral, and 177 a, ventral views of the animal, 177 b, dorsal view of the shell.—p. 155. Fig. 178. NAVICELLA PORCELLANA, lateral, and 178 a, ventral views of the animal, with the shell.—p. 156. Fig. 179. NERITINA GRANOSA, view of the animal, as seen from below.—p. 161. Fig. 180. NERITINA LAMARCKII, ventral view of the animal, in the shell.—p. 162. Fig. 181. NERITINA TAITENSIS, the animal, as seen from beneath, in the shell.—p. 161. Fig. 182. NERITINA CANALIS, the animal, scen laterally ; 182 a, ventral view of the animal.—p. 161. | Fig. 183. NERITINA GAGATES, lateral view of the shell, with the animal.—p. 163. Fig. 184. NERITINA CORNEA, lateral view of the shell, with the animal; 184 a, locomotive disk of the animal.—p. 163. Fig. 185. NERITINA RUGINOSA, the young shell, with the animal, as in motion; 185 a, the locomotive disk.—p. 164. Fig. 186. NERITINA RUGINOSA, head of the animal, enlarged; 186 a, outline of the shell of an adult specimen.—p. 164. Fig. 187. NERITINA CHOLERICA, lateral view of the shell, with the animal; 187 a, ventral view of the animal; 187 b, the aper- ture of the shell. —p. 156. Fig. 188. NERITINA CHRYSOCOLLA, ventral, and 188 a, dorsal views of the shell.—p. 158. Fig. 189. NERITINA CAFFRA, lateral view of the shell, with the animal. —p. 164. Fig. 190. NERITINA SIDEREA, ventral, and 190 a, dorsal view of the shell, enlarged; 190 b, natural size. —p. 160. Fig. 191. NERITINA PORCATA, ventral view of the shell; 191 a, dorsal view of the shell.—p. 157. Fig. 192. NERITINA AMENA, dorsal, and 192 a, ventral views of the shell, enlarged; 192 b, natural size.—p. 159. Fig. 193. NERITINA UNDATA, lateral view of the shell, with the animal.—p. 163. Fig. 194. NERITA ALBICILLA, lateral view of the shell, with the animal; 194 a, ventral view of the same.—p. 167. Fig. 195. NERITA CRASSA, dorsal view of the shell; 195 a, ven- tral view of the shell.—p. 166. Fig. 196. NERITA UNDATA, lateral view of the animal, and the dark variety of the shell, as in motion ; 196 a, the same, as scen from beneath.—p. 167. Fig. 197. NERITA MUSIVA, ventral view of the shell, 197 a, the back of the shell.—p. 165. PLATE GI) Ja 2 Fig. 198. Turbo setosus, lateral view of the shell, with the MOLLUSCA AND SHELLS, animal, as in motion ; 198 a, locomotive disk, and under side of head; 198 0, head and tentacles, viewed from beneath, in outline: 198 c, tentacle and leaflet, enlarged,—p. 169. Fig. 199. TURBO ARGYROSTOMUS, the shell, with the animal, as in motion; 199 a, head and tentacles of the animal, in outline, seen from below; 199 b, tentacle and eye, with its leaflet, enlarged — pi 170. : Fig. 200. TurBo SPARVERIUS, lateral view of the shell and ani- mal, as in motion.—p. 170. | Fig. 201. TURBO PETHOLATUS, shell, in outline, with the animal, as in motion; 201 a, the locomotive disk.—p. 171. Fig. 202. TURBO CONFRAGOSUS, lateral view of the shell and ani- mal; 202 a, the animal, seen from below; 202 b, ventral view of the shell.—p. 171. Fig. 203. TURBO SIRIUS, lateral view of the shell; 208 a, basal view of the shell; 203 b, details of the sculpture of the base, mag- nified ; 203 c, two sides of the operculum.—p. 173. Fig. 204. TURBO LACINIATUS, profile view of the shell, a young specimen; 204 a, base of the shell; 204 b, details of sculpture, magnified; 204 c, the operculum.—p. 174. [Specimens three inches in diameter, some with a double row of basal spines, and an entire modification of the aperture, have been recently re- ceived from New Caledonia.] Fig. 205. TROCHUS PRUNINUS, ventral view of the shell; 205 a, dorsal view of the shell; 205 %, details of sculpture, magnified.— p. 180. Fig. 206. TROCHUS TEXTURATUS, ventral view of the shell; 206 a, dorsal view of the shell; 206 5, sculpture of the spire, magnified. —p. 181. Fig. 207. TROCHUS LIGATUS, ventral view of the shell; 207 a, base of the shell, 207 b, sculpture of a portion of the base, magni- fied.—p. 185. Fig. 208. TROCHUS PUPILLUS, the shell, in profile; 208 a, base of the shell, 208 b, sculpture of the whorls, and 208 c, sculpture of the base, magnified.—p. 186. Fig. 209. Trocnus JUCUNDUS, profile view of the shell; 209 a, base of the shell, 209 0, portion of the surface, magnified.—p. 141; Fig. 210. TROCHUS GRADATUS, ventral view of the shell; 210 a, dorsal view; 210 0, portion of the base, magnified, to show the sculpture; 210 c, sculpture of the side, magnified.—p. 175. PLATO h Fig. 211. Trocnvus ATER, shell, with the animal, as in motion. —p. 182. Fig. 212. TROCHUS NIGER, shell, with the animal, as in motion ; 212 a, the same, seen from below.—p. 171. Fig. 213. TROCHUS ARAUCANUS, shell, with the animal, as in progression.—p. 182. Fig. 214. Trocmus mastus, ventral view of a variety of the shell. —p. 183. Fig. 215. TRocnus TANTILLUS, dorsal view of the shell, en- ` larged; 215 a, base of the shell, enlarged; 215.5, natural size. — p. 184. Å Fig. 216. Trocnus ELISUS, profile view of the shell; 216 a, por- tion of the base of the shell, enlarged, 216 b, base of the shell, 216 c, details of sculpture, magnified.—p. 178. Fig. 217. Trocnus ACINOSUS, profile view of the shell; 217 a, base of the shell; 217 5, sculpture of the side, and 217 c, sculp- ture of the base, magnified.—p. 179. Fig. 218. Trocnus AMGNUS, profile of the shell; 218 a, base of MOLLUSCA AND SHELLS. the shell, and 218 b, the shell, seen from above, enlarged, 218 c, natural size.—p. 187. Fig. 219. TRocnus SPURCUS, profile, 219 a, basal, and 219 0, superior view of the shell, enlarged; 219 c, natural size.—p. 188. Fig. 220. TROCHUS CIRCUMSUTUS, profile view of the shell; 220 a, base of the shell.—p. 176. Fig. 221. TROCHUS BICRENATUS, the shell, in profile; 221 a, base of the shell; 221 b, and 221 c, details of sculpture of the side and base, magnified.—p. 175. Fig. 222. TROCHUS ROTELLINUS, the profile, 222 a, the top, and 222 b, the base of the shell, enlarged ; 222 c, natural size.—p. 191. Fig. 223. TROCHUS COLUBRINUS, a green, brown-spotted speci- men; 228 a, a smooth, uniformly green specimen, tinted red be- neath, with the animal protruded, 223 5, subcarinate, tessellated specimen, with the animal, seen from below ; 223 c, portion of the lingual organ, highly magnified.—p. 183. Fig. 224. TROCHUS ATRO-PURPUREUS, the shell, seen from above, enlarged ; 224 a, shell, with the animal, as in progression ; 224 5, shell, with the animal, as seen from beneath; 224 c, details of sculpture, magnified; 224 d, natural size; 224 e, base of shell.— p. 187. Fig. 225. TROCHUS INSTRICTUS, dorsal, and 225 a, ventral views of the shell, enlarged; 225 6, details of sculpture, magnified; 225 c, natural size.—p. 190. à Fig. 226. SOLARIUM EGENUM, lateral view of the shell, enlarged, 226 a, base of the shell, enlarged; 226 b, details of sculpture, magnified; 226 c, natural size. —p. 196. PLATElS) 14 Fig. 227. Trocnus (Bembicium) SQUAMIFERUS (?) Koch, shell, with the animal, as in progression; 227 a, ventral view of the same. —p. 192. Fig. 228. MARGARITA MAGELLANICA, shell, with the animal, as in crawling, enlarged; 228a, plantar view of the animal and shell, enlarged, 228 b, ventral view of the shell, an angular spe- cimen, 228 c, the operculum.—p. 192. Fig. 229. MARGARITA CONICA, animal, with the shell, as in pro- gression, magnified, 229 a, and 229 b, enlarged views of the head of the animal, above and beneath ; 229 c, natural size.—p. 194. Fig. 280. MARGARITA PERSICA, ventral vievv of the shell, 230 a, basal view of the same.—p. 198. Fig. 231. LACUNA CARINATA, an elongated specimen of the shell; 231 a, ventral view of a short specimen; 231 b, dorsal view of the same, in outline.—p. 194. Fig. 233. LITTORINA GRANDINOSA, shell, with the animal, as in progression ; 233 a, locomotive disk.—p. 203. Fig. 234. LITTORINA PYRAMIDALIS, shell, with the animal, as in progression; 234 a, locomotive disk. —p. 202. Fig. 239. LITTORINA OBESA, shell, with the animal, as in pro- gression ; 235 a, ventral view of the animal.—p. 202. Fig. 236. LITTORINA PLENA, ventral, and 236 a, dorsal views of the shell, enlarged; 236 b, natural size.—p. 201. Fig. 237. LITTORINA PATULA, ventral view of the shell; 237 a, dorsal view of the shell.—p. 197. Fig. 238. LITIORINA LEPIDA, ventral, and 238 a, dorsal views of a checked specimen, enlarged; 2380, dorsal view of the white variety, enlarged, 238 c, natural size.—p. 199. Fig. 239. LITTORINA ACUMINATA, ventral view of a large speci- men, magnified; 239 a, dorsal view of a slender specimen, en- larged, 239 b, natural size.—p. 200. Fig. 240. LITTORINA CALIGINOSA, ventral, and 240 a, dorsal views of the shell, enlarged; 240 b, natural size.—p. 198. Fig. 241. LITTORINA SCUTULATA, ventral view of the shell; 241 a, dorsal view of the shell.—p. 200. Fig. 242. MELAMPUS MUCRONATUS, dorsal view of the shell, en- larged ; 242 a, ventral view of the shell, natural size; 2422, the aperture, enlarged.—p. 204. Fig. 243, MELAMPUS (spec. indet.), the animal, in progression ; 248 a, the head, from above. Fig. 244. SCALARIA TEXTURATA, ventral view of the shell, en- larged ; 244 a, junction of the whorls at the suture, enlarged ; 244 b, natural size.—p. 206. Fig. 245. SCALARIA GRACILENTA, ventral view of the shell, mag- nified ; 245 a, natural size; 245 b, details at the suture, magnified. —p. 205. Fig. 246. STILIFER ACICULA, ventral view of the shell, enlarged ; 246 a, profile view of the same; 246 b, natural size.—p. 207. Fig. 247. STILIFER (2), animal, with an outline of the shell, taken from Holothuria, at Taheiti.—p. 208. Fig. 248. HALIOTIS CRISPATA, aperture of the shell; 248 a, back | of the shell.—p. 209. PLATE(14) 15 Fig. 249. STOMATELLA TUMIDA, ventral view of the shell, 249 a, dorsal view of the shell.—p. 209. Fig. 250. STOMATELLA DECOLORATA, ventral, and 250 a, dorsal views of the shell; 250 5, details of sculpture, magnified.—p. 210. Fig. 251. PLANAXIS LINEOLATUS, ventral, and 251 a, dorsal views of the shell, enlarged ; 251 b, natural size.—p. 203. Fig. 252. LITIOPA DECUSSATA, ventral view of the shell, greatly magnified ; 252 a, natural size.—p. 195. Fig. 253. Natica Lewisi TN. herculea, Middendorff, Beitrage z. einer Malac. Ross. IL, 96, pl. 7, f. 5, 6, 7, anno 1849], ventral view of the shell; 253 a, the operculum.—p. 211. Fig. 254. NATICA CAURINA, ventral view of the shell; 254 a, dorsal view of the same.—p. 212. Fig. 255. NATICA DILECTA, ventral, and 255 a, dorsal views of the shell.—p. 213. Fig. 256. NATICA ALGIDA, ventral, and 256 a, dorsal views of the shell.—p. 214. Fig. 257. NATICA SOLUTA, ventral, and 257 a, dorsal views of the shell.—p. 215. Fig. 259. SIGARETUS ANTARCTICUS, dorsal view of the animal, 259 a, lateral, and 2590, plantar views of the animal; 259 c, head, with the proboscis protruded.—p. 216. Fig. 260. SIGARETUS PRATENUIS, lateral view of the animal, 260 a, the dorsal, and 260 b, the plantar views of the animal.— p. 217. Fig. 261. RISSOA AMBIGUA, ventral, and 261 a, profile views of the shell, enlarged; 261 b, the aperture, much enlarged; 261 c, natural size.—p. 217. Fig. 262. PYRAMIDELLA (spec. indet.), shell, with the animal, as in progression; 262 a, animal and shell, viewed from below. Fig. 263. TORNATELLA BULLATA, ventral view of the shell, en- larged; 263 a, dorsal view of the same; 263 b, natural size.—p. 218. Fig. 264. BULLA BIFASCIATA, dorsal view of the shell, with the animal.—p. 220. Fig. 265. BULLA DIAPHANA, dorsal view of the animal, with the shell; 265 a, the ventral, and 2650, the lateral view of the MOLLUSCA AND SHELLS. same; 265 c, front view of the animal, 265 d, the shell, a small specimen.—p. 222. Fig. 266. BULLA RUBIGINOSA, the animal and shell, seen from below; 266 a, shell, with the animal, seen from above.—p. 221. Fig. 267. BULLA PARALLELA, ventral, and 267 a, dorsal views of the shell. —p. 220. PLATE(15.) jg Fig. 268. APLYSIA PULMONICA, lateral view of the animal.—p. 228. Fig. 269. BURSATELLA LACINULATA, lateral view of the animal; 269 a, plantar view of the animal.—p. 223. Fig. 270. STYLOCHEILUS LINEOLATUS, lateral view of the animal, extended ; 270 a, dorsal view, with the branchie displayed; 2700, plantar view.—p. 225. n Fig. 271. STYLOCHEILUS QUERCINUS, lateral view of the animal, extended.—p. 226. | Fig. 272. JANTHINA EXIGUA, lateral view of the shell, contain- ing the animal; 272 a, the buccal barbs, magnified.—p. 226. Fig. 273. JANTHINA FRAGILIS, shell, with the animal and its float, seen from the front. —p. 227. Fig. 274. TRICHOTROPIS PUSILLA, ventral view of the shell, enlarged ; 274 a, dorsal view of the shell, enlarged; 274 2, natural size. Fig. 275. TRICHOTROPIS CANCELLATA, the operculum.—p. 219. Fig. 276. PYRULA DEFORMIS, small variety of the shell, with the animal; 276 a, animal, with the shell, seen from below. —p. 227. Fig. 277. FUSUS GEVERSIANUS, smooth shell, with the animal, as in progression; 277a, clathrate shell, with. the locomotive disk of the animal; 277 2, proboscis of the animal, protruded.—p. 227. Fig. 278. FUSUS LACINIATUS, shell, with the animal, as in pro- gression.—p. 228. | Fig. 279. FUSUS CRISPUS, a large specimen, with the animal, as in progression; 279 a, a slender shell, with the plantar disk of the animal, enlarged; 279 b, dorsal view of a curious angular variety of the shell; 279 c, the opereulum.—p. 229. Fig. 280. Fusus DECOLOR, shell, with the animal, as in pro- gression.—p. 230. Fig. 281. Fusus PLUMBEUS, shell, with the animal, as in pro- gression; 281 a, ventral view of a small shell.—p. 230. Fig. 282.—Fusus LIRATUS, shell, with the animal, enlarged, as in progression; 282 a, animal, seen from beneath, enlarged 282 b, natural size.—p. 231. Fig. 283. FUSUS INCISUS, ventral, and 283 a, dorsal view of the shell.—p. 232. . Fig. 284. FUSUS FIDICULA, ventral, and 284 a, dorsal views of the shell, enlarged; 284 b, natural size.—p. 233. Fig. 285. Fusus ORPHEUS, ventral, and 285 a, dorsal view of the shell, enlarged, 285 b, natural size.—p. 234. Fig. 286. Fusus SUBLUTUS, ventral, and 286 a, dorsal views of the shell, somewhat enlarged ; 286 b, natural size.—p. 235. PLATE (16) 17 Fig. 287. MUREX (TROPHON) FRUTICOSUS, dorsal, and 287 a, ventral views of the shell. —p. 236. Fig. 288. MONOCEROS IMBRICATUM, shell, with the animal, as in progression; 288 a, plantar surface of the foot. —p. 237. 3 Fig. 289. TURBINELLA AMPLUSTRE, basal view of the animal, with outlines of the shell.—p. 238. Fig. 290. TURBINELLA CORNIGERA, shell, with the animal, as in progression; 290 a, plantar surface of the foot.—p. 237. Fig. 291. TURBINELLA ARMATA, lateral view of the shell, with the animal, extended.—p. 238. Fig. 292. TRITON VARIEGATUM, the animal, extended.—p. 239. Fig. 293. TRITON ANUS, animal, as seen from beneath.—p. 240. Fig. 294. TRITON DISTORTUM, ventral view of the animal and shell; 294 a, lateral view of the animal.—p. 240. Fig. 295. TRITON TUBEROSUM, lateral view of the animal, with the shell, in outline.—p. 239. Fig. 296. Triton BRASILIENSIS, ventral view of the shell, a small specimen ; 296 a, animal and shell, as in progression; 296 b, the same, seen from below. [See Appendix.] Fig. 297. TRITON MUNDUM, ventral view of the shell, enlarged ; 297 a, lateral view of the shell, with the animal extended; 297 5, [See Appendix. | Fig. 298. TRITON CANCELLATUM, shell, with the animal, as in progression, female form; 298 a, the male, same view; 298 2, the male organ; 298 c, plantar surface of the foot.—p. 241. plantar view of the same. PLATE LIA 1% Fig. 299. RANELLA BUFONIA, animal, as in progression, with an outline of the shell.—p. 242. Fig. 300. RANELLA GYRINUS, the animal, with the shell, as in progression; 300 a, plantar disk of the animal, with the shell. — p. 242. Fig. 301. RANELLA VEXILLUM, animal, with an outline of the shell, as in progression ; 301 a, plantar disk; 301 5, animal of the variety.—p. 242. Fig. 302. RANELLA VENTRICOSA, the animal, as in progression, with the shell, in outline; 302 a, the verge and head, in outline. —p. 243. Fig. 904. PURPURA ELONGATA, shell, with the animal, scen from below; 804 a, shell and animal, as in progression.—p. 246. Fig. 905. RICINULA TUBERCULATA, lateral view of the shell and animal; 305 a, the same, from beneath.—p. 247. Fig. 806. PURPURA VIOLACEA, plantar view of the animal, with the shell in outline.—p. 246. Fig. 307. RICINULA ARACHNOIDES, the animal, as in progression, with the shell in outline.—p. 247. Fig. 908. RICINULA CLATHRATA, animal, as in motion, with an outline of the shell.—p. 248. Fig. 309. PURPURA TENIATA, the shell, with the animal, seen from beneath; 809 a, the operculum.—p. 244. _ Fig. 310. PURPURA OSTRINA, ventral view of the shell; 310 a, dorsal view of the shell.—p. 244. Fig. 811. PLEUROTOMA TIGRINA, animal, with the shell, seen from below.—p. 249. Fig. 312. PLEUROTOMA SEMINIFERA, ventral, and 312 a, dorsal views of the shell. —p. 248. Fig. 313. MANGELIA CITHARA, ventral, and 818 a, dorsal views of the shell, enlarged; 313 b, natural size. —p. 250. Fig. 314. TEREBRA CRENULATA, outline of the shell, with the animal protruded, 314 a, plantar disk; 314 b, front of the animal, showing the position of the mouth. —p. 250. Fig. 815. TEREBRA BABYLONIA, Outline of the shell, with the animal, as in progression.—p. 251. Fig. 816. TEREBRA LÆVIGATA, Outline of the shell, with the animal, as in progression.—p. 251. enlarged, 10 Fig. 317. TEREBRA SUBULATA, Outline of the shell, vith the animal, as in progression.—p. 251. Fig. 318. TEREBRA CARULESCENS, outline of the shell, with the animal, as in progression.—p. 251. PLATE(18) /9 Fig. 319. Buccinum VELATUM, dorsal, and 319 a, ventral views of the shell. —p. 252. Fig. 320. BUCCINUM CINEREUM, ventral, and 320 a, dorsal views of the shell —p. 253. Fig. 321. BUCCINUM FOSSATUM, dorsal, and 321 a, ventral views of the shell. —p. 254. Fig. 323. BUCCINUM FARINOSUM, ventral, and 323 a, dorsal views of the shell.—p. 255. Fig. 824. NASSA MUSIVA, ventral, and 324 a, dorsal views of the shell.—p. 256. Fig. 325. NASSA LURIDA, ventral view of the shell; 325 a, animal, with the shell, as in progression ; 325 b, animal, seen from beneath; 325 c, back of the shell.—p. 257. Fig. 326. NASSA CURTA, ventral, and 826 a, dorsal views of the shell, enlarged; 326 b, natural size.—p. 258. Fig. 327. NASSA CINCTELLA, ventral, and 327 a, dorsal views of the shell, enlarged ; 327 b, natural size.—p. 259. Fig. 328. NASSA CASTA, dorsal, and 328 a, ventral views of the shell, enlarged; 328 b, natural size.—p. 260. Fig. 329. NASSA ACINOSA, ventral, and 329 a, dorsal views of the shell, enlarged ; Fig. 330. NASSA PAUPERA, ventral, and 330 a, dorsal views of the shell, enlarged; 330 b, natural size.—p. 262. Fig. 331. NASSA MENDICA, ventral, and 331 a, dorsal views of the shell.—p. 263. Fig. 332. NASSA RUBRICATA, dorsal, and 332 a, ventral views of the shell. —p. 264. Fig. 333. NASSA MURICATA, animal, with the shell, as in pro- 329 b, natural size.—p. 261. gression; 333 a, plantar disk of the animal.—p. 266. Fig. 334. NASSA GRANIFERA, animal, with the shell, as in pro- gression.—p. 266. Fig. 336. NASSA LILACINA, animal, with the shell, as in pro- gression ; 336 a, plantar view of the animal.—p. 265. Fig. 337. COLUMBELLA GAUSAPATA, ventral view of the shell, 337 a, lateral view, with the epidermis removed; 337 b, natural size.—p. 267. Fig. 338. COLUMBELLA VALGA, animal, with the shell, as in pro- gression, enlarged, 338 a, profile view of the shell, enlarged ; 338 b, ventral view of the shell, magnified, 338 c, natural size.— p. 268. Fig. 339. COLUMBELLA CASTANEA, ventral, and 339 a, dorsal views of the shell, magnified; 339 b, natural size. —p. 269. Fig. 341. COLUMBELLA MENDICARIA, animal, with the shell, as in progression; 341 a, plantar view of the same. —p. 270. Fig. 342. COLUMBELLA LIGULA, animal, with the shell, progression.—p. 270. as in PLATE (9) 20 Fig. 343. MITRA FILOSA, animal and shell, as in progression.— p. 278. Fig. 344. MITRA ADUSTA, shell, with the animal, gression; 344 a, plantar view of the animal.—p. 276. as in pro- MOLLUSCA AND SHELLS. Fig. 344, bis. MITRA AMBIGUA, shell, with the animal, as in pro- gression, showing the proboscis fully protruded.—p. 276. Fig. 345. MITRA ACUMINATA, shell and animal, as in progression. —p. 276. Fig. 346. MITRA VIRGATA, shell, with the animal, as in pro- gression, 346 a, plantar view of the same.—p. 277. Fig. 347. MITRA MACULOSA, plantar view of the shell and animal.—p. 277. Fig. 348. MITRA NODOSA, plantar view of the shell and animal. —p. 277. Fig. 349. MITRA ELEGANS, animal, with the shell, as in pro- gression.—p. 278. Fig. 350. MITRA EXASPERATA, animal, with the shell, as in pro- gression.—p. 278. Fig. 351. MITRA CAPILLATA, ventral, and 351 a, dorsal views of the shell, enlarged; 351 b, natural size.—p. 273. — — Fig. 352, MITRA VITELLINA, dorsal, and 352 a, ventral views of the shell.—p. 270. Fig. 393. MITRA FIDICULA, ventral, and 353 a, dorsal views of the shell.—p. 276. Fig. 354. MITRA RORATA, dorsal, and 354 a, ventral views of the shell.—p. 272. Fig. 355. MITRA COPHINA, ventral, and 355 a, dorsal views of the shell.—p. 271. Fig. 356. MITRA ENCAUSTA, ventral, and 356 a, dorsal views of ` the shell, enlarged; 356 D, natural size.—p. 274. Fig. 857. VOLUTA a dorsal view of the shell and animal.—p. 278. Fig. 358. VOLUTA ANCILLA, dorsal view of the shell and animal. —p. 279. Fig. 359. Mero BRODERIPII, lateral view of the shell and ani- mal, as in progression.—p. 280. Pig Y ï 500 Eh 25 Kõrma H ( 1 PLATE (20) A! Fig. 361. Conus VEXILLUM, lateral view of the shell, wila the animal, as in progression.—p. 287. Fig. 362. Conus MILIARIS, plantar view of the animal and shell, 362a, plantar view of the anterior portion of the animal, en- larged.—p. 289. ` Fig. 363. Conus SPONSALIS, plantar view of the animal, with the shell; 363 a, anterior portion of the animal, seen from be- neath, enlarged.—p. 289. Fig. 364. CONUS MILES, plantar view of the animal, with the shell; 364 a, lateral view of the animal. —p. 287. Fig. 365. Conus NANUS, lateral view of the shell and animal. —p. 288. x. Fig. 366. Conus minimus, side view of the animal and shell.— p. 290. | Fig. 367. Conus DILECTUS, lateral view of the shell, with the animal; 367 a, ventral view of the shell. —p. 286. Fig. 368. Conus , not identified. Fig. 369. Cyrræa LYNX (?), lateral view of the animal. —p. 285. : | | Fig. 370. CYPRÆA TESTUDINARIA, lateral view of the animal, with the shell, in outline.—p. 281. Fig. 371. CYPRÆA RETICULATA, lateral view of the animal, with the shell, in outline; 871 a, plantar view of the same.—p. 282. Fig. 372. CYPRÆA FIMBRIATA, lateral view of the animal, with the shell, in outline; 372 a, plantar view of the same.—p. 282. Fig. 373. CYPRÆA CAURICA, lateral view of the animal, with the shell, in outline; 878 a, an isolated papilla, magnified.—p. 283. MOLLUSCA AND SHELLS. Fig. 374. CYPRZA ASELLUS, side view of the animal and shell; 874 a, plantar view of the same.—p. 283. Fig. 375. CYPRÆA PORARIA, lateral view of the animal and shell; 375 a, plantar view of the animal.—p. 284. . Fig. 376. Cypraa Humpureysn, lateral view of the animal and shell.—p. 284. | | Fig. 377. CYPRAA ARENOSA, side view of the animal and shell, in outline.—p. 285. Å Fig. 378. CYPRÆA EBURNA, lateral view of animal and shell. —p. 285. Fig. 379. CYPRÆA OBVELATA, lateral view of the animal and shell.—p. 286. ; Fig. 380. OLIVA CARNEOLA, lateral view of the animal and shell.—p. 281. Fig. 381. PERONIA INDOLENS, dorsal, 381 a, ventral, and 3812, facial views of the animal.—p. 290. Fig. 382. PERONIA 381. From Rio Janeiro. Fig. 383. PERONIA IRRORATA, lateral, 383 a, ventral, and 383 b, facial views of the animal.—p. 291. Fig. 384. PERONIA ACINOSA, dorsal, and 384 a, ventral views of the animal.—p. 291. , not described ; probably a variety of PLATE) Jå Fig. 385. PERONIA CORPULENTA, dorsal, and 385 a, ventral views of the animal.—p. 298. Fig. 386. PERONIA MARGINATA, lateral, 386 a, dorsal, 386 b, ven- tral, and 386 c, facial views of the animal, enlarged; 386 d, cowl and tentacles, magnified, in outline; 386 e, natural size.—p. 292. Fig. 387. Doris VERMICELLI, lateral view of the animal; 387 a, and 887 b, lateral and frontal views of a tentacle, magnificd ; 387 c, branchial plumules, in detail.—p. 293. Fig. 388. Doris PLUMULATA, lateral, and 388 a, ventral views of the animal; 388 b, tentacle, magnified; 388 c, branchial circlet, magnified.—p. 294. Fig. 389. Doris LUTEOLA, lateral, 389 a, dorsal, and 389 b, ven- tral views of the animal; 389 c, tentacle, enlarged, 389 d, bran- chial star, magnified.—p. 295. | Fig. 390. Doris SMARAGDINA, lateral, and 390 a, dorsal views of the animal; 8900, tentacle, magnified; 390 c, branchial plu- mules, magnified.—p. 296. Fig. 391. Doris PETECHIALIS, dorsal, and 391 a, ventral views of the animal.—p. 296. Fig. 392. Doris LILACINA, dorsal, 392 a, ventral, and 8920, lateral views of the animal.—p. 297. PLATE 22. (23) Fig. 393. Doris CEREBRALIS, lateral, and 898 a, ventral views of the animal; 393 b, branchial plume, magnified; 393c, anal tube, enlarged.—p. 298. Fig. 394. Doris AURITA, lateral view of the animal; 394 a, plantar view of the anterior portion of the animal.—p. 299. Fig. 895. DORIS SPIRACULATA, lateral, and 395 a, ventral views of the shell; 395 2, branchial plumule, enlarged.—p. 300. Fig. 396. Doris SUPERBA, dorsal, and 896 a, ventral views of the animal; 396 b, cervical tentacles, in outline, enlarged; 896 c, branchial plumule and leaflet, enlarged.—p. 301, PLATESQ3)24 25 Fig. 397. DORIS CARDINALIS, dorsal, and 397 a, ventral views of the animal.—p. 302. | Fig. 398. Doris SUMPTUOSA, dorsal, and 398 a, ventral views of the animal.—p. 303. Å | Fig. 399. Doris ASPERSA, lateral, and 399 a, dorsal views of the animal; 399 b, the tentacles; 399 e, the branchial star, in detail. —p. 304. | Fig. 400. Doris DORSALIS, lateral, 400 a, dorsal, and 400 5, ven- tral views of the animal; 400 e, tentacles, enlarged, front and side views; 400d, branchial star, enlarged ; 400 e, a branchial plu- mule, still more enlarged.—p. 304. ` Fig. 401. EOLIS ATTENUATUS, lateral, and 401 a, ventral views of the animal, 4010, the mouth; 401c, branchial papilla, en- larged, 401 d, the jaws.—p. 805. | Fig. 402. EoLis CYANELLA, lateral, and 402 a, ventral views of the animal, enlarged; 402 b, the mouth; 402 c, branchial papilla, enlarged ; 402 d, natural size.—p. 306. PLATER) 26 Fig. 403. TRITONIA CUCULLATA, lateral, and 408 a, ventral views of the animal; 403 5, mouth and hood, enlarged ; 408 c, tentacle, enlarged ; 403 d, open extremity of the tentacle, 403 e, the penis, enlarged; 403 /, transverse section of the body.—p. 308. Fig. 404. CHIORZRA LEONINA, lateral view of the animal; 404 a, ventral view of the animal; 404 D, part of the circle of oral cirrhi, enlarged.—p. 310. Fig. 405. ELYSIA LOBATA, lateral, and 405 b, dorsal views of the animal.—p. 308. ; Fig. 406. DIPHYLLIDIA RUBIDA, lateral, and 406 a, dorsal views of the animal.—p. 307. Fig. 407. PLACOBRANCHUS IANTHOBAPTUS, dorsal, and 407 a, ventral views of the animal; 407 D, the mantle, thrown open, showing the branchial folds; 407 c, lateral view of the animal, in outline.—p. 307. Fig. 408. UMBRELLA INDICA, dorsal view of the animal and shell; 408 a, ventral view of the anterior portion of the animal, showing the mouth. —p. 311. PLATE (26) 27 Fig. 410. CHITON ZELANDICUS, ventral view of the animal.—p. 883. | Fig. 411. CHITON CASTANEUS, dorsal view of the shell, enlarged ; 4lla, ventral view of the animal, enlarged; 4110, branchiæ, magnified ; 411 c, branchial leaf, much enlarged.—p. 326. Fig. 412. Cnrton PUNICEUS, dorsal view of the shell, enlarged ; 412 a, ventral view of the animal, enlarged; 4122, details of sculpture, magnified; 412c, branchie; 412 d, a single branchial leaf, magnified.—p. 324. Fig. 418. CHITON VIRIDULUS, back of the shell, enlarged; 413 a, ventral view of the animal; 4180, branchie; 413c, a single branchial plate; 413 d, sculpture, magnified.—p. 318. Fig. 414. CHITON JASPIDEUS, back of the shell; 414 a, details of sculpture, magnified.—p. 825. Fig. 419. CHITON ATRATUS, ventral aspect of the ànimal.—p. 329. Fig. 416. CHITON LINEOLATUS, the animal, from beneath.—p. 332. 12 MOLLUSCA AND SHELLS. Fig. 417. 229; Fig. 418. CHITON ASPERRIMUS, back of the shell; 418 a, ventral view of the animal; 418 b, details of sculpture, enlarged.—p. 326. Fig. 419. CHITON PRUINOSUS, profile view of the shell; 419 a, ventral view of the animal; 419 b, details of sculpture, enlarged. —p. 316. Fig. 420. CHITON VIOLACEUS, animal, from beneath; 420 a, pro- file of the shell and animal, in outline; 420 b, sculpture of middle and terminal valves of the shell.—p. 331. Fig. 421. CurroN JANEIRENSIS, the animal, from beneath.—p. 333. Fig. 422. Currox PERUVIANUS, ventral view of the animal.—p. 332. CHITON DISJUNCTUS, the animal, from beneath.—p. Fig. 423. Currow INTERSTINCTUS, dorsal view of the shell; 423 a, details of sculpture.—p. 322. Fig. 424. Cnrton LIGNOSUS, back of the shell, destitute of pilose margin; 424 a, details of sculpture, magnified.—p. 330. Fig. 425. CHITON SETIGER, ventral view of the animal; 425 a, profile view of the shell and animal, 425 b, branchial leaf, mag- nified.—p. 330. Fig. 426. CHITON VESPERTINUS, back of the shell; 426 a, ex- treme and middle valves, 426 b, details of sculpture, magnified. —p. 323. Fig. 427. CHITON COQUIMBENSIS, under side of the animal.—p. 833. PLATE (27) 2.7 Fig. 428. CHITON FRUTICOSUS, back of the shell; 428 a, details of sculpture, magnified.—p. 319. Fig. 429. ONITONELLUS FASCIATUS, dorsal, and 429 a, ventral views of the animal.—p. 333. Fig. 430. Cnrton JUGOSUS, dorsal view of the shell.—p. 317. Fig. 431. CHITON PLATESSA, back of the shell, 431 a, details of sculpture, magnified.—p. 320. Fig. 432. CHITON INCANUS, back of the shell; 432 a, details of sculpture, magnified.—p. 315. Fig. 433. CHITON DENTIENS, dorsal view of the shell, enlarged 5 433 a, details of sculpture, magnified, 433 b, natural size.—p. 321. Fig. 434. CHITON CONFOSSUS, back of the shell; 434 a, details of sculpture, magnified; 4345, profile of the terminal valves, with their denticles.—p. 327. Fig. 435. CHITON PETALOIDES, back of the shell; 435 a, details of sculpture, magnified; 435 b, natural size.—p. 328. Fig. 436. CHITON MUSCOSUS, back of the shell.—p. 313. Fig. 437. OHITON QUERCINUS, back of the shell; 437 a, details of sculpture, magnified.—p. 312. Fig. 439. PATELLA PIPERATA, outer, 439 a, inner, and 439 b, lateral views of the shell.—p. 338. Fig. 440. PATELLA PAUMOTENSIS, exterior, and 440 a, Interior views of the shell; 4405, ventral view of the shell, with the animal; 440 c, the shell, in profile; 440 d, branchiæ and cirrhi ; 440 e, marginal cirrhus.—p. 339. | Fig. 441. PATELLA ILLUMINATA, outer, 441 a, inner, and 441 2, profile views of the shell.—p. 340. Fig. 442. PATELLA CYMBULARIA, plantar view of the animal, in the shell, 442 a, profile of the shell.—p. 341. Fig. 443. PATELLA FERRUGINEA, plantar view of the animal; 443 a, the head, detached.—p. 843. : Fig. 444. PATELLA DEAURATA, plantar view of the animal; 444 a, the head of the animal, detached.—p. 341. of the PLATE 28.) 29 Fig. 445. PATELLA FIMBRIATA, exterior, and 445 a, interior of the shell; 445 b, profile of the shell —p. 344. | Fig. 446. PATELLA LUCTUOSA, exterior, 446 a, interior, and 446 b, lateral views of the shell —p. 336. Fig. 447. PATELLA CINNAMOMEA, exterior, and 447 a, interior of the shell, 447 b, profile of the shell; 447 c, details of sculpture, magnified ; 447 d, details of sculpture, still further magnified.- p. 349. Fig. 448. PATELLA CITRULLUS, exterior, and 448a, interior of the shell; 448 b, profile view. —p. 335. Fig. 449. PATELLA SAGITTATA, exterior of the shell; 449 a, pro- file of the shell, showing the angular markings by transmitted light; 449 b, the animal, as in progression ; 449 c, plantar view of the animal. —p. 337. Fig. 450. PATELLA (LOTTIA ?) ARANEOSA, exterior, 450 a, inte- rior, and 450 b, lateral views of the shell.—p. 847. Fig. 491. PATELLA ARGENTATA, plantar view of the animal.—p. 345. på Fig. 452. PATELLA TALCOSA, exterior, 452 a, interior, and 452 5, lateral views of the shell.—p. 334. Fig. 453. LOTTIA CYMBIOLA, exterior, 453 a, interior, and 453 9, lateral views of the shell; 453 c, plantar view of the animal, in the shell —p. 350. Fig. 454. PATELLA INSTABILIS, superior, and 454 a, lateral views of the shell. —p. 346. Fig. 455. LOTTIA PINTADINA, superior, and 455 a, inferior views shell; 455 b, lateral view of the elevated variety; 455 c, lateral view of a depressed variety, with striped coloration.—p. 351, Fig. 456. PATELLA (LOTTIA 2) SCABRA, exterior, 456 a, interior, and 456 b, lateral views of the shell. —p. 348. PLATE (29)30 Fig. 457. PATELLA (LOTTIA ?) TEXTILIS, exterior, 457 a, interior, and 457 b, lateral views of the shell. —p. 849. Fig. 458. PATELLA CONICA, interior of the shell; 458 a, profile view of the shell. —p. 347. Fig. 459. LoTTIA VIRIDULA, profile view of the typical shell; 459 a, plantar view of the animal, 459 b, interior of a depressed variety, with tortoise-shell spatula; 459 c, interior of a conical variety, with striped spatula; 459 d, lateral view of the same, with the animal; 459 e, plantar view of the same animal; 459 f, branchial plumes, magnified.—p. 353. Fig. 460. LOTTIA ZEBRINA, exterior of the shell; 460 a, plantar view of the animal, in the shell.—p. 352. Fig. 461. Lorria ONYCHINA, exterior, 461 a, interior, 461 b, lateral views of the shell.—p. 355. Fig. 462. SIPHONARIA LATERALIS, back of the shell; 462 a, lateral, and 462 0, plantar views of the animal, with the shell.— p. 363. Fig. 463. SIPHONARIA LESSONI, lateral view of the animal and shell, 463 a, plantar view of the same; 463 4, anterior portion of the shell, and head of the animal, in detail.—p. 361. Fig. 404. SIPHONARIA ANTARCTICA, lateral view of the animal, with the shell, 464 a, plantar view of the same; 464 2, detailed | view of the head, and anterior portion of the shell.—p. 362. Fig. 465. SIPHONARIA INCULTA, exterior view of the shell; 465 a, lateral view of the shell, with the animal, 465 b, plantar view of the animal.—p. 858. MOLLUSCA AND SHELLS. Fig. 466. SIPHONARIA LEPIDA, exterior of the shell; 466 a, late- ral view of the shell and animal; 466 b, plantar view of the ani- mal; 466 c, interior of the shell.—p. 360. Fig. 467. SIPHONARIA CORNUTA, exterior, 467 a, interior, and 467 b, lateral views of the shell.—p. 357. . 5 Fig. 468. SIPHONARIA NORMALIS, exterior, 468 a, lateral, and 468 0, interior views of the shell.—p. 359. PLATE 80.) 3/ Fig. 469. FISSURELLA PICTA, lateral view of the animal, with an outline of the shell, 469 a, plantar view of the animal.—p. 367. Fig. 470. FISSURELLA Chili. Fig. 471. FISSURELLA CRATITIA, the back of the shell; 471 a, lateral, and 471 b, interior views of the shell.—p. 367. Fig. 472. FissURELLA VERNA, dorsal, and 472 a, interior views of the shell; 472 6, lateral view; 472 c, dorsal view of the small variety. —p. 366. Fig. 473. FISSURELLA OCCIDENS, exterior, 473 a, interior, and 473 b, lateral views of the shell —p. 364. Fig. 474. FISSURELLA CRUCIATA, dorsal, 474 a, interior, and 474 b, lateral views of the shell, 474 c, details of sculpture, magni- fied.—p. 565. Fig. 475. RIMULA CUCULLATA, dorsal, 475 a, interior, and 475 b, lateral views of the shell; 476 c, details of sculpture, magnified. —p. 368. Fig. 476. RIMULA GALEATA, dorsal, 476 a, interior, and 476 b, lateral views of the shell; 476 c, details of sculpture, magnified. —p. 369. Fig. 477. RIMULA CONICA, ventral view of the animal, magni- fied; 477 a, superior, and 477 b, inferior views of the head of the animal, magnified; 477 c, the shell, natural size, ventral view of the same; 477 d, sculpture, enlarged.—p. 870. Fig. 478. RIMULA COGNATA, dorsal view of the shell; 478 a, ventral view of the animal; 478 b, lateral view of the shell and animal; 478 c, head and tentacles of the animal, in outline, en- larged. —p. 371. , undetermined; from the coast of PLATEGI) 32,33 Fig. 480. CREPIDULA NUMMARIA, superior, 480 a, inferior, and 480 b, lateral views of the shell.—p. 377. _ Fig. 481. CREPIDULA LINGULATA, exterior, 481 a, interior, and 481 b, lateral views of the shell, 481 c, details of sculpture, mag- nified.—p. 376. Fig. 482. CREPIDULA ROSTRIFORMIS, exterior, 482 a, interior, and 482 b, lateral views of the shell.—p. 375. Fig. 483. LEPTOCONCHUS MADREPORARUM, animal, with the shell, seen from beneath; 483 a, aperture of the shell, normal form; 483 b, and 488 c, outlines of a variety, such as that in which the animal is represented.—p. 378. Fig. 484. CALYPTRÆA FASTIGIATA, dorsal, 484 a, basal, and 484 b, lateral views of the shell. —p. 379. Fig. 485. CALYPTRZA PILEOLUS, D'Orb., lateral view of the shell and animal. ; Fig. 486. CAPULUS SAGITTIFER, superior, 486 a, inferior, and 486 b, lateral views of the shell, enlarged; 486 c, details of sculpture, magnified ; 486 d, natural size.—p. 383. Fig. 487. CALYPTRZA CHLORINA, superior, 487 a, inferior, and 4 13 487 b, lateral views of the shell, 487 c, details of sculpture, mag- nified; 487 d, the cup, enlarged.—p. 380. Fig. 488. CALYPTREA RADIOSA, exterior, 488 a, interior, and 488 _6, lateral views of the shell; 488 e, details of sculpture, magni- fied.—p. 381. | Fig. 489. PILEOPSIS CRYSTALLINA, outer, 489 a, inner, and 489 b, lateral views of the shell —p. 382. Fig. 490. HIPPONIX IMBRICATA, outer, 490 a, inner, and 4902, profile views of the shell; 490 c, details of sculpture, magnified. —p. 379. Fig. 491. EMARGINULA FUNGINA, dorsal, 491 a, interior, and 491 b, profile views of the shell; 491 c, details of sculpture, magni- Hed —p. 374. Fig. 492. EMARGINULA OSSEA, dorsal, 492 a, interior, and 492 b, profile views of the shell, 492 c, details of sculpture, enlarged.— p. 373. Fig. 493. EMARGINULA ASPERA, exterior, 498 a, interior, and 493 b, lateral views of the shell; 493 c, details of sculpture, en- larged.—p. 372. Fig. 494. EMARGINULA CINEREA, exterior, 494 a, interior, and 494 b, lateral views of the shell; 494 c, details of sculpture, en- larged.—p. 373. Fig. 495. ANCYLUS ADUNCUS, dorsal, 495 *, interior, and 495 a, lateral views of the shell, enlarged ; 495 6, natural size.—p. 125. — Fig. 496. MACTRA DEBILIS, engraving omitted. Fig. 497. PHOLAS PATULA, engraving omitted. Fig. 498. Mya PRACISA, lateral, and 498 a, dorsal views of the shell, 498 5, view of the interior.—p. 384. Fig. 499. PANOPÆA ANTARCTICA, engraving omitted. Fig. 500. PANDORA CISTULA, the shell, expanded, with the hinge; 500 a, dorsal edge of the shell; 5005, the flat valve.—p. 396. Fig. 501. SOLEN SICARIUS, lateral, and 501 a, dorsal views of the shell; 5015, interior, with the hinge.—p. 387. Fig. 502. SOLEN SCALPRUM, lateral, and 502 a, dorsal views of the shell, 502 %, the hinge, and interior.—p. 388. Fig. 503. MACTRA DELUTA, lateral, and 503 a, dorsal views of the shell; 503 2, the hinge, and interior.—p. 391. Fig. 504. MACTRA CUNEOLA, lateral, and 504 a, dorsal views of the shell; 504 5, the interior, and hinge.—p. 890. Fig. 505. MACTRA MARCIDA, lateral, and 509 a, dorsal views of the shell; 505 b, the interior, and hinge.—p. 392. PLATE(32) 34 Fig. 506. MACTRA FALCATA, lateral, and 506 a, dorsal views of the shell; 506 b, interior, with the hinge.—p. 393. Fig. 507. PANOPÆA GENEROSA, lateral, and 507 a, dorsal views of the shell; 507 b, outline of the hinge margin.—p. 385. Fig. 508. LUTRARIA CAPAX [L. maxima, Middend., name pre- occupied], lateral, and 508 a, dorsal views of the shell; 5080, the hinge.—p. 395. PLATE 83.) 37 Fig. 509. OSTEODESMA BRACTEATUM, lateral, and 509 a, dorsal views of the shell; 509 b, inside of the shell.—p. 397, Fig. 510. OSTEODESMA BRASILIENSE, lateral, 510 a, internal, and 510 b, dorsal views of the shell.—p. 398. Fig. 511. MESODESMA MUNDUM, lateral, and 511 a, dorsal views of the shell; 511 2, the hinge.—p. 400. 14 Fig. 512. AMPHIDESMA CROCEUM, exterior, and 512 a, interior of the shell; 512 b, dorsal view.—p. 399. Fig. 513. PSAMMOBIA FLORIDA, lateral, and 513 a, dorsal views of the shell; 513 6, the hinge.—p. 403. Fig. 514. TELLINA LAUTA, lateral view of the shell, enlarged ; 514 a, interior of the shell; 5146, dorsal view, in outline.—p. 408. Fig. 515. TELLINA COMPTA, lateral view of the shell, enlarged ; 515 a, interior of the shell; 515, back of the shell, in outline. —p. 406. Fig. 516. TELLINA PERULA, exterior of a red, and of a white specimen; 516 a, a white specimen; 516 b, dorsal view; 516 c, the hinge, enlarged ; 516 d, inside of a red specimen.—p. 409. Fig. 517. TELLINA EXCULTA, lateral view of the right valve, and 517 a, front of the left valve; 517 b, dorsal view of the shell.— p. 407. | Fig. 518. TELLINA TITHONIA, lateral view of the shell, 518 a, interior, with the hinge; 518 b, dorsal view of the shell.—p. 405. PLATEGÍ 26 Fig. 519. TELLINA CONCENTRICA, lateral, and 519 a, dorsal views of the shell; 519 b, the hinge.—p. 404. Së Fig. 520. DonAx PALLIDUS, lateral view of the shell, 520 a, interior, with the hinge; 520 b, dorsal view of the shell.—p. 410. Fig. 521. Donax TINCTUS, lateral, and 521 a, dorsal views of the shell.—p. 411. Fig. 922. Donax CROCATUS, lateral, and 522 a, dorsal views of the shell, magnified, 522 b, natural size.—p. 412. Fig. 023. LUCINA RAMULOSA, lateral view of the shell; 523 a, inside, with the hinge, 523 D, dorsal view of the shell.—p. 415. Fig. 524. LUCINA INCULTA, lateral view of the shell, 524 a, inside, with the hinge; 524 b, back of the shell. —p. 412. Fig. 525. LUCINA VESICULA, exterior of the shell; 525 a, inte- rior, with the hinge; 525 5, dorsal view of the shell.—p. 414. Fig. 526. CYCLAS EGREGIA, lateral, and 526 a, dorsal views of the shell, 526 6, the hinge.—p. 425. Fig. 527. OYCLAS PATELLA, lateral, and 527 a, dorsal views of the shell; 527 b, the hinge.—p. 426. Fig. 928. LUCINA LENTICULA, lateral, and 528 a, dorsal views of the shell; 528 6, the hinge.—p. 413. Fig. 529. CYRENA DEBILIS, lateral, and 529 a, dorsal views of the shell, 529 b, the hinge.—p. 427. Fig. 532. CARDITA VENTRICOSA, lateral, and 532 a, dorsal views of the shell.—p. 417. | Fig. 583. CARDITA PROCERA, lateral view of the shell.—p. 416. Fig. 584. CARDIUM BLANDUM, lateral, and 534 a, dorsal views of the shell.—p. 418. PLATE(35) 37 Fig. 535. CYPRICARDIA ROSEA, lateral, and 535 a, dorsal views of the shell, 585 b, interior, with the hinge.—p. 389. Fig. 536. ARTHEMIS LAMBATA, lateral, and 536 a, dorsal views of the shell.—p. 422. Fig. 537. VENUS TOREUMA, lateral, and 537 a, dorsal views of the shell.—p. 419. Fig. 538. VENUS RIGIDA, lateral view of a dilated specimen ; 938 a, side of a medium specimen; 538 b, dorsal view of the lat- ter.—p. 420. MOLLUSCA AND SHELLS. Fig. 539. NUCULA SULCULATA, lateral, and 589 a, dorsal views of the shell, enlarged, 539 b, the hinge, magnified ; 539 c, natural size.—p. 424. Fig. 540. Unio porsuosus, lateral, 540 a, dorsal, and 540 b, in- terior views of the shell. —p. 430. Fig. 541. Uxio VERECUNDUS, lateral view of the shell; 541 a, interior, with the hinge, 541 2, back of the shell; 541 c, undula- tions of the beak, in detail. —p. 431. Fig. 942. UNIO LUTULENTUS, lateral, 542 a, interior, and 542 b, dorsal views of the shell; 542 c, lateral view of the animal. —p. 428. PLATE (36.) 39 Fig. 543. Unio PROFUGUS, lateral, 543 a, dorsal, and 543 5, in- terior views of the shell —p. 429. Fig. 544. Unio FAMELICUS, lateral, 544 e, interior, and 544 5, dorsal views of the shell. —p. 432. Fig. 945. ALASMODONTA FALCATA, lateral view of the valves, with the hinge; 545 a, dorsal view of the shell. —p. 433. Fig. 946. ANODONTA COGNATA, lateral view of the shell, with the hinge; 546 a, dorsal view of the shell. —p. 435. Fig. 947. ANODONTA FEMINALIS, lateral view of the shell; 547 a, interior, with the hinge; 547 b, back of the shell —p. 436. Fig. 948. ANODONTA PUBERULA, lateral, and 548 a, dorsal views of the shell; 548 b, the hinge, and interior. —p. 434. PLATE (87) 39 Fig. 549. AVICULA PICA, exterior, and 549 a, interior surfaces of the shell; 549 b, edge view of the shell. —p. 443. Fig. 950. AVICULA LURIDA, lateral view of the exterior; 550 a, the inside of the shell, 550 b, edge view of the shell —p. 440. Fig. 551. AVICULA FUCATA, exterior surface; 551 a, interior surface of the shell; 551 b, edge view of the shell. —p. 441. Fig. 992. AVICULA GLABRA, outer, and 552 a, inner surfaces of the shell, 552 6, edge view of the shell.—p. 442. Fig. 553. AVICULA VIDUA, exterior, and 553 a, interior surfaces of the shell; 553 b, edge view of the shell. —p. 439. PLATE Ge) nb. Fig. 954. AVICULA NIGRA, exterior surface of the shell; 554 b, edge of the shell.—p. 438. Fig. 555. AVICULA MARGARITIFERA, view of the interior, in out- line.—p. 437. | Fig. 556. PERNA NANA, exterior, and 556 a, interior surfaces of the shell, 556 b, edge of the shell.—p. 445. Fig. 557. PERNA EREMITA, exterior, and 557 a, interior surfaces of the shell; 557 b, an elongated form; 557 c, a young specimen, showing the sculpture; 557 d, edge view of the shell.—p. 446. Fig. 558. PERNA TORVA, exterior, and 558 a, interior views of the shell, 558 b, edge of the shell.—p. 445. Fig. 959. PERNA ARGILLACEA, outside of the shell; 559 a, in- side of the shell; 559 b, edge of the shell —p. 444. Fig. 560. Arca SOBRIA, lateral, and 560 a, dorsal views of the shell. —p. 423. Fig. 561. Myrtus (Modiola) FLABELLATUS, lateral, and 561 a, dorsal views of the shell. —p. 453. MOLLUSCA AND SHELLS. +15 "PLATE (39) 47 Fig. 562. Myrtus (Modiola) AREOLATUS, lateral, and 562 a, dorsal views of the shell.—p. 452. Fig. 563. Myrtus (Modiola) HEPATICUS, side of the shell, ex- terior and interior, 563 a, dor sal view of the shell.—p. 454. Fig. 564. MYTILUS PYRIFORMIS, lateral, and 564 a, dorsal views of the shell.—p. 451. . . Fig. 565. MYTILUS DIVARICATUS, lateral, and 565 a, dorsal views of the shell.—p. 449. ! Fig. 566. MyriLUS ALGOSUS, lateral view of the shell, exterior and interior; 566 a, back of the shell.—p. 450. Fig. 567. MYTILUS TROSSULUS, lateral view of the shell, exterior and interior; 507 a, back of the shell.—p. 450. Fig. 568. GAIMARDIA TRAPESINA, lateral view of the shell and animal, 568 a, dorsal view of the shell, in outline; 568 b, ventral margin, showing the opening of the mouth; 568 c, the branchiæ ; 568 d, the viscera; 568 e, two views of the foot; 568 J, the mouth and palpi.—p. 459. PLATE (40.) „2 Fig. 569. PECTEN CAURINUS, the upper valve; 569 a, the lower valve; 569 b, edge view of the shell.—p. 458. > Fig. 570. PECTEN HERICIUS, the upper valve; 570 a, the lower. valve; 5700, edge view of the shell; upper valve. —p. 457. Fig. 571. PECTEN LATUS, the upper valve, exterior and interior, 571 a, the lower valve; 571 5, details of sculpture.—p. 456. 570 c, details of sculpture, PLATE 41.) 43 Fig. 573. LIMA FRAGILIS, the three series of tentacles: (1) short and whitish, (2) medium length, pale, annulated with red, (3) long, red banded; 573a, edge view of the animal, showing the mantle, mottled with scarlet spots, a range of large ones next the shell, also part of the branchiæ and the scarlet body; 573 b, the opposite edge view, showing the branchie forced out, also the siphon and the adductor muscle; 573 c, tentacle, enlarged, with its annuli and colored bands; 573 d, branchia, showing its flow- ing, undulating character, crimped and folded like the letter W. Fig. 575. OSTREA MORDAX, group of shells; 575 a, interior of the lower valve; 575 b, inside of the upper valve. —p. 464. Fig. 576. OSTREA CIRCUMSUTA, exterior of an elongated speci- men; 576 a, interior of the lower valve of a rounded specimen ; 576 b, upper valve of the same. —p. 462. Fig. 577. OSTREA GLOMERATA, a group of shells; 577 a, interior, and 577 b, exterior of a single specimen.—p. 461. PLATE (42) du Fig. 578. OSTREA DISCOIDEA, view of the exterior, and 578 a, interior of the upper valve; 578 b, exterior of the lower valve. —p. 463. Fig. 580. CRANIA RADIOSA, the upper, and 580 a, the under valve, enlarged; 580 b, edge view of the shell; 580 c, interior of the under valve; 580 d, slit for the tendon, magnified; 580 e, naiural size.—p. 460. Fig. 581. TEREBRATULA PULVINATA, lateral view of the shell, 5810, edge of the shell, in outline; 581 c, details of sculpture, magnified; 581 d, and 581 e, views of the internal apophysis.—p. 467. Fig. 582. TEREBRATULA CAURINA, lateral view of the shell, 582 b, the shell, edgewise; 582 c, details of sculpture, magnified; 582 d, and 582 e, views of the apophysis.—p. 468. Fig. 583. TEREBRATULA PATAGONICA, lateral view of the shell: 583 b, edge view of the shell, in outline; 583 % details of sculp- ture, magnified.—p. 469. Fig. 584. CRENATULA PERGAMINEA, lateral, and 584 a, dorsal views of the shell, 584 b, the hinge.—p. 447. Fig. 585. der es (Modiolarca) PUSILLUS, lateral, 585 a, dorsal, and 585 b, hinge views of the shell, enlarged; 585 c, natural size. —p. 455. Fig. 586. EnvorxA (Kellia) QUADRATA, lateral, and 586 a, dorsal views of the shell; 586 b, the hinge, magnified ; 586 c, natural size.—p. 402. Fig. 587. ERYCINA (Poronin) OVATA, lateral, and 587 a, dorsal views of the shell, enlarged; 587 b, the hinge, magnified ; 587 c, natural size.—p. 401. E PLATEGS) US Fig. 585*. ARGONAUTA GENICULATA, lateral view of the animal; 985 a, dorsal view of the animal; 5850, the mouth and circle of arms, and the origin of the series of cupules; 585 c, the jaws; 585 d, arrangement of the cupules where they diverge; 585 e, two cupules, magnified ; 585 f, joint of veliferous tentacles, inner surface.—p. 4'/0. Fig. 586*, Octopus MEGALOCYATHUS, dorsal, and 586 a, ventral views of the animal, reduced; 5865, mouth and circle of arms, with the arrangement of the cupules; 586 c, a cupule from above; 980 d, lateral view of a cupule.—p. 471. PLATE (44.) 4b Fig. 587*. OCTOPUS MIMUS, dorsal, and 587 «, ventral views of the animal, 587 b, mouth, and circle of arms; 587 c, the mouth and jaws; 587 d, a cupule, in profile; 587 e, cupule, seen from above.—p. 473. 2 PLATE 45.) 47 Fig. 588. Ocrorus TETRICUS, dorsal view of the animal; 588 a, ventral view; 588 b, face of a cupule; 588 c, interior of a cupule , 588 d, profile view of a cupule.—p. 474. Fig. 589. Octopus FURVUS, dorsal, and 589 a, ventral views of the animal; 589 2, cupule, seen from above; 589 c, profile of a cupule.—p. 475. PLATE C6 o Fig. 590. OCTOPUS ORNATUS, dorsal view of the animal; 590 a, ventral view, showing the interior of the umbrella and the mouth ; 990 b, cupule, from above; 590 c, cupule, in profile.—p. 476. Fig. 591. Octopus PUSILLUS, dorsal view of the animal, natural size; 591 a, the umbrella and mouth; 5910, the abdomen and respiratory sac.—p. 478. Fig. 592. Ocrorus MOLLIS, dorsal view of the animal, natural size, 592 a, the umbrella and mouth, 592 0, ventral view of the body.—p. 479. MOLLUSCA AND SHELLS. PLATE(47) ng Fig. 593. SEPIOTEUTHIS ARCTIPINNIS, ventral view of the animal; 593 a, superior view of the head; 593 2, a cupule, from above; 593 c, a cupule, in profile.—p. 479. Fig. 594. OMMASTREPHES INSIGNIS, ventral view of the animal; 594 a, the dorsal shaft; 594 b, the mouth, and circle of arms; 594 c, d, e, f, views of the jaws; 594 g-m, various sizes and forms of cupules; 594 n, shows the origin of the fin, from above. —p. 480. PLATE@8) JO sl Fig. 595. ONYCHOTEUTHIS RUTILUS, dorsal, and 595 a, ventral views of the animal; 595 b, mouth, and circle of arms; 595 c, cupule, from above; 995 d, ranges of cupules, 595 e, hook cap- sules of the tentacular arms. —p. 482. Fig. 596. ONYCHOTEUTHIS BREVIMANUS, dorsal view of the ani- mal. —p. 483. Fig. 597. ATLANTA PRIMITIA, shell and animal, magnified, 597 a, the head and proboscis, much magnified; 597 b, natural size; 597 c, thoracic tube and sac; 597 d, section of the shell. DETAILS. b. Bag and tube, hanging free externally. a. The eye, a transparent globe, resting on a dark c. Mouth, the e. Ovate base. tube below enlarging into a stomach. d. Intestine. organ, probably the heart, beating regularly when the head is ex- serted, but not observed in action when the head is retracted. f. Lamella, facing the beak. g. Two small plates on the lateral lamella, h. i. Fleshy antenne. k. Tube, connected with the bag b, having vibratile ciliz at the aperture. Fig. 598. ATLANTA CUNICULA, the animal and shell, magnified ; 598 a, the head, still more enlarged; 598 b, the cervical ganglion and its branches; 598 c, natural size. DETAILS. a. Cephalic ganglion. b. Otolithes (?). c. Alimentary canal. d. Abdominal nerve. e. Nerve to the thoracic ganglion. Fig. 599. ATLANTA VIOLACEA, lateral, and 599 a, superior views of the shell, enlarged; 599 6, natural size. Fig. 600. ATLANTA TESSELLATA, lateral, and 600 a, dorsal views of the shell, enlarged ; 600 5, natural size. Fig. 601. LIMACINA (P) CUCULLATA, right, 601 a, left views of the shell; 601 5, view of the shell, with the animal. Fig. 602. LIMACINA SCAPHOIDEA, lateral, and 602 a, longitudinal views of the shell and animal, magnified ; 602 ô, natural size. Fig. 603. HYALZA FEMORATA, shell, with the animal, expanded. Fig. 604. HvALZA INERMIS, shell, with the animal; 604 a, ven- tral, and 604 5, lateral views of the shell. Fig. 605. CLEODORA EXACUTA, shell and animal, enlarged; 605 a, transverse section of the shell; 605 b, natural size. Fig. 606. CLEODORA PLACIDA, front view of the shell and animal, enlarged ; 606 a, natural size. Fig. 607. CLEODORA MUNDA, front view of the animal and shell, enlarged ; 607 a, lateral view of the same; 607 b, natural size. Fig. 608. CLEODORA FALCATA, shell, with the animal, enlarged ; 608 a, natural size. PLATE(49) 52 ig. 609. CYNTHIA AMPHORA. g. 610. PHALLUSIA VIOLACEA. Sooloo Sea; 616 a, enlarged view. Fig. 611. ASCIDIA MONSTRANS, several figures, in various atti- tudes. Fig. 612. BOLTENIA COACTA, lateral view. Fig. 618. ASCIDIAN, attached to coral from Balabac Passage, (J. D. Dana.) Fig. 614. BorRyLLOID, of a fleshy texture, from Feejee Islands; Sooloo Sea, 618 a, an individual, magnified. soft, fleshy, 8 points to stars; stars are openings, but open only half the diameter of the star, the openings appear large, but they are mostly covered by a very thin membrane, tentacles on sides of mass. Animal contracts immediately when approached within a few inches. The stellar openings are mouths of distinct animals, each hav- ing its cesophagus and stomach; cesophagus has transverse folds (light yellow color) in membrane; folds are not continuous in the tube, but are interrupted in two lines traversing the tube longitu- dinally, and are also partially flexed in two other bisecting lines; observed two large, deep yellow masses, which appear to indicate distinet lobes to the cavity, the stomach is attached below to the inferior or basal membrane of the mass, the whole alimentary canal being nearly or quite vertical; no stomach, as far as could be seen, to the large general mouth; 614 a, detached portion; 614 b, cesophagus and stomach to the stellar mouths. A structure of this nature, seen in mouth and cesophagus, appears to be double, forming the cesophagean tube, or attached to its inner surface; (J. D. Dana.) Fig. 615. EUCGLIUM ERUBESCENS, G., of a spongy texture, at- (J. D. Dana.) , from coral reef, Balabac Passage, (J. D. Dana.) , from Feejee Islands; surface mi- 614 c, natural size. tached to coral from Sooloo Sea. Fig. 616. EUCŒLIUM Fig. 617. Foot nutely papillose ; spongy substance contracts and closes the mouths and star openings when irritated, 617 a, natural size. (J. D. Dana.) Fig. 618. Froome LIVIDUM, G., from Feejee Islands; mass without regular form; two or three mouths in the mass; numer- ous stellate openings; six pointed stars; these openings the ex- tremities of tubes, which may be traced into the mass nearly to ; texture of frond spongy and tough; the stellar openings contract when frond is irritated, but the large mouths still remain open even when needle ran into it; 618 a, enlarged drawing, showing the large mouth and some of the stellate openings at the extremity of the internal tubes; 6180, the frond being torn in two, showed the exterior of the internal vessels connected with the stellar openings; the upper banded portion is the cesophagus ; there are ten or eleven yellow bands; the lower portion is the stomach, and is deep yellow. (J. D. Dana.) Fig. 619. Dracoma (?) , soft and fleshy, from Feejee Is- lands; 619 a, one of the small mouths, magnified, situated around the large central mouth. (J. D. Dana.) Fig. 620. PoLYCLINUM , from dead coral, Sandalwood Bay, Feejee Islands; 620 a, portion enlarged 25 diameters, it is of a spongy texture; a circle formed by six irregular white spots sur- rounds the mouth; three white points surround the mouth at the centre ; these points sometimes exhibit motions; the mouth opens but very slightly, and contracts when irritated. (J. D. Dana.) Fig. 621. NEPHTHEIS (?) , dredged from about nine fathoms, Sooloo Sea; 621a,0, front and lateral views of an individual, magnified. US Exploring Eapediticn. ER Leo BR Æl e Drawn by SDrayton Columbiras 6. það Volielates CG. A cliraceus GC. ad Tuliginosus G. BD e Lagiulus lawas. Ler. Atheracepheriis — butentaculæattts Viirma huevensis Couth . ML Or : y caperata 6. Ga Vitrina MOLLUS CA. P1 flo tenella 6. robusta Ç. marcida e. furra Lewe. SH Arnold Se. US Etploring Apad. MOLLUSCA» Pl 2 a NUM EE Dr ae Succinea rotundata GÇ. nemar canella Œ. Succinea. wiunidebubiormis d. cepulla C. 2/ NU E AE pudorina du. putamen Å 2 ; dni kan PP. vesicals ; z 5 Manuana G. lambalis : modesta 6. humerosa procera d. rusteana G. caduca Mighels . venusta =G. explarnala OC. Draw dy ZDrayton JH Arnold Sc. Y Dougal. CES LAMM th Papan MOLLUSCA., PIL. 3. NON NNN nikalvuscula Ju". E Lee. ZU LAC G. [bricata G. Star E. saratãs GC. sprees drm. germana d. EE tabiosa CG. E ae 2 1 intaminala G. Lownserdiana Lea. Cru om DN a gradata CG. Lancouverensis Lea. j gulosa ec. Drawn by Ss Drayton. 1 EN ) la W. C Newton Se. US Exploring LEmpedition . MOLLUSCA» Pl do rubiginosa G. i ac Helix hystrix Migheis. c Haz Cressida d. obolus G. ; e! EE lo Æ c. ae E: dædala G. 7 B DE LIC A trochitormis Per. bursatella = G. LL Wer. E. So wa Tams å. Drawn by T Drayton 5 TH Arnold Sc. Y Dougal . MOLLUSCA. PIL. do D RCM ba aa perenes C. ` Nana wradiute G. 7 Streptaris. conlusa Ler. erequata G. CON E Á Manna rea GC. subtbssuna G. , Scorpio 0. Lelie cryptepertia d. PIA GE lurida 6. 3 E ZA Tongand Guy. EE Å DE Ir op EA Drawn by IDravten SH Arnold Sc. € Dougal. S MOLLUSCA Po Go CS baploring Expedito. uh auris leporis Brug. uu cans e, Áulmus Shongii Less. proteus Brod. / A CABLES DS å QUI US Ld ae flalguratus Say. Es MOTOSUS 7 JJ RA malletus Jay. j S ; LUNA comeca O. prem 6. : È eus = Ç. 7 SS GE Draun hr ravien . W.H Dougal Se. US Exploring Expedition. j MOLLUSCA; PL.” LOS O | ————————— ——— R= ua o pusilla G. i Achatinella guttula L. a, b Hehema muswa E. Zahalana Drug. 4 ja aid I... eee Ml varia Prod. SE RR 7 HL SIRIA: © Vamkorenss QUE. / Meg aspera dada 6. 122: multicolor G. Achabinella marmorata G. x pec o n AUT ND ; a ð E nubilosa = G. < Vertigo Vela Ge S pi uy. "ponte o. Pupa meporum G Luc Pd SE. accincia 0. / S Baba. peregrina 6. Æ B E > MHelicina Tulgora Æ Drawn by L Drayton LAH Arnold Se d Dougal. oli ^ US Erploring E zpedition. LO MA ÜS BI ZAO LRL Bý LA Lirawn by I.Pravten EA ugat Cvclostomta nara 6. SÚ vatum F. alcatum ` Ga obligatum å. cerebrale, C. roseum G. tutum G. Cvclostoma Truncatelda Llænor bis edd halter AUTARÍUA Litiama porrecta rostrata G. corpulentus A Say MOLLUSCA. PL. Bo a. e Llanorbis vermicularis ac 85 YA sið opercularis kermatoudes venustula G. z Eca DOrb . rivals Fot 4 Mech . lulan 6G. gibbosa å. SH Arnold : her EV nee eec MAP nam ntn Ag Bin. Drawn by J.Drayton. Dombeya vugineæ C. sinuata 6G. reticulata 6. pila 6. volutata 6. obovata ` G. LDombeya Tlaminer 2076. lasciata G. Melanopsis Lelandca å. Ampullaria celumellaris G. Ammrarcedla antpodarum C. Melania corolla GC. hataði G. MOLLUSCA. IPL. 9. i | f H | Í | p^ + gracils O. fetemimgensis 08. fem 6. cybele Cr. Lerpsechore sope ` G. IV. C. Newton Se. US Liploring Expedition . DIL LIC a, A a, A EE 760 LOT LOGA Drawn bv Drayton € Dougal. T HR 4 d C Melania Famili GC. sola 6. ees 6. perpinguis nds. corporosa å. Putirosa d. Melani bulbosa å. sicula GC. plecrrera Lea. Corithium sacratum G. aduncum G. vroratum dr. ragni Æ MOLLUSCA. P Lo 100 Ceruhium sordidulum G. egenum å. pusillam å. Janthinum = G. cælatum CG. /ilosum å. SH Arnold Se US Een Agen , MOLLUSCA. Pla» Mo ccs xs D: M = lele» laterals (6. Nerina gagates Mest. ) / Neritina porcata G. Navecella = Prepcineti leer. / cornea L. amena G. porcellana = (hem. 7 rugtnesa young / PX A VR X a granesa Stuð. i adult aga 4 Nerita albicilla L. Lamarcka Lesh . á BERE cholerica G. CRISI Lintensis. Soler. chrysecolla dr. / andata =L canals aem. EE musiva 6. siderca 6G. Drawn by I. Drugtore. F. G Newton Sc. US LIploring LLANA. MOLLUSCA. Plus 12. WS ARY MAT Un: ROS D. 7 | Per se. < ` pyn Yt T bw 7 MI enn siil las Soil Ap ) » ^ n Z ` SIIS 7 * 2 7 74925 E Ve id < a Y LIGE DA Turbo setosus Gmel. 2 L UOO eg com 206 Loh BA = E 207 A. ae ori ACO SQAIVETINS Gmel . LYN AE petholatis A OGA kg Ze A, URLS OE 208 pupillus dr. ao Te IAS 209 Jucundus dr. COSE gradatus å. Drawn by Í. Drarton L Lawrence. JH. Arnold Se. (55: EM Lapedition. MOLLUSCA. PL. 18. ay yy Trochus ater ` Lesson 2/6 Trechus ` elsus å. Trochus rotellunus = >G. niger Gray . ALY ACINOSUS = EE ed 4 Araucanus DOrb. 218 Ba EE 7 777: 1477 A 2 Alrepurpureus G: nuestus Jonas. 219 SPUVCUS instrictus C tantillus 6. 220 24 CU CUMSULUS Solarium egenum G. 221 Nas bicrenatus C. Drawn by J.Drayton. W. G. Newton Se. CYL MMM tig Espedition. Drawn by LDraylon U Lawrence. Lembiciium = osguamilerum Loch. 273 Littorina Margarita Magellamica CG. comica Ur. persica G. Lacuna carmela C. Littorina grandinosa (hem. pyramidalis (oy lesa Sow. pina ` Ç. potu GC. liða KA acuminata G. caliginosa C. scutulati CG. MOLLUS CA. Po 14o i | \ | / ! | `<. Melampus = mucronatus = G. Scalaria true Ç. gracitlenta å. SUE acicula G. Helets crispata G. MA Els Sc. LL kaplorimg Enn . MOLLUSCA. EL.15 a Stomatella tumida C. ; Nata dieta ` Œ. a Pyramidella * = PE å 5 ` æð decolorata C. po 22 E a,b Lornatella bullata å. a,b Llanes [mneolatus ` G. g CERA Bulla fecum Mart. a Zope decussata å. Sigaretas antarcucas Louth. De: daphana (evi. a Natra Lewisu 6. 2 0520000 ne COME: / TI genes E cauria dr. ac dm ambigua 6. KATI JE Drawn by 4Drayton TL Arnold Sc. & IL Conthony . US Lalang E etta Aplysia = pulmonua = Ç. Bursatlla [acinidldata Cow. Stvlochalus netus G. quercinus des Janthina erigua Lam. hagues . Draun by J Drayton & SP. outhony Tuchotroms pusillus = Ç. LUSUS cancellata nds perc. Lyrula delormis Lam. sus Geversiamas. Lalas . laciniatus Martyn. CTISDUS YA drrolor Phil. MOLLUSCA., Pila 16. plumbeus Piil. Bratus Cn. WEISS Gs ut G. orpheus L. sublitus G. SA nota SE d Lapiring Expedir. Trophon tiuticosus = G. Moneceros wbricatim Lam. Tiurbinella amplastre Hen. cormigera Lam. Drawn by 1 Drayten . v H IA Tarbinella armata bred. Triton variegatum Lam. anus Lam. distertam Lam. Zriton MOLLUSCA» Pl 170 nedesum Vette. Brasilia 6. Tuned 6. cancellatum Lam. SH Arnold Se. OS Lrplorinig Brain. iii : : WIL U e napiga sibe DER: Coh NK an I m" oc v» em UCET XC ^ v Baneta dumm om. Furpura violacea Lien. 373 a.6 Mangeba culara 6. PAE SN DR ER wt a,b Ierebra crenata L. Sowb . NA res WA o babybna Lam. Brod. tentata, Loewis. LO AAA, head GN: Quay . EE ren OE. i RI DN Bhi E L Heurotoma gruna Lan. TO eres cons Lat, AVI MUS veste ventruosd Zurnura elongata deret tn semenidøra 6G. Drawn by IDravter . SH. Arnold Se. US Erptormg Expat. Bucciniare velatum Titriereu r fossatuin LATIMOSUTR musiva G. tarida G carta 6. Drawn by IDrayton Y Lawrence. 6. 22 Massa G. G. Ç. cinctella C. gasta 6. L Lë acmosa G. panpera dr. mendica G. rubricata 6. SS < EE muricata. Kuey- gt veufereo Kren. Massa MOLLUSCA. PL.195 emm å. Columbella gausapata 6. Mitra Valga G castanea 6. mendicaria L. liguta = Duclos filosa Born. WA Dougal Sc. VS Erg Peta E pe uo MOLLUSCA. PL. 20» AITA AA Tome Kc eb ROI ci ep rau Em AN 244 adusta Lam. 3 elegans Heee. Mitra coplana G. 344 ambigua SW. erasperata Ch. A AASE < 3 9237: acununata Sw. capillata G. Veluta Magellanica Gm. 346 virgata Heere. DOS ZI e ancilla Soland. PAY maculosa Ð 5 X SS SE ao À Melo Brederpu Grav. 348 : nodosa SW. FORCA: z Fhos varicosus G. Drawn by S Drayton. TÐ Nain de CS Ete Eipedition. MOLLUSCA. Pio À y TOL FOR vexillum Mart. Cyprea Humpireysu Gray . kamin MS BUG Cyprea testudinaria , obvelala Lam. JE? Seed Views. / reticulata Martin, 304 dones e Oliva carneola (mel. Timbriata mel . Zeron POS SAO ES RAAG FOO CONUS SIRIA ES TARN DN mus L . RE A AE A WA Er E E EES AE Ga POV B =; Drawn by J Drayton E SA A ES & LP. Couthony. V. C. Newton Se IS baptoring Expedition. MOLLUSCA. Pla. 220 7 N a Feroma corpiilenta C. Doris lutecla Louth . A A LI GS CL b. smaragdina GC. B Lapis terme Cr PAER 6 ae ES aula ` Go Alacina CG. Draun by I Layton ALL. Biota Se d SP. Couthony. MOLLUSCA. PIL. 280 UIS Erg LTR CALON L. 395 Aa Deris tanddralis E 395 a. bô Doris spuaculata G: 394 c ama E. arc ra EA Drawn by J. Drayton. J.H. Arnold Se. Le ð AM Arnold MOLLUSCA. PL. 24. sa 2 3 R X N N jn a DUT LS TIE tdi. yt. 1/11 Drayton . XML hy A Drawn / X CS Llo UYG Biruin . MOLLUSCA. PL. 25. Fa mi pene ELS "sa marea ui — 397 a Å Doris cardinabs 6. UD we Loris dorsalis “O. G JÐ ca s ps UN WE aid kots attenuate out. ae Lots cvanella Couth. Drawn by J Pravten L MG Newton Sc. LL Couthory . ls 265 DT i 3 SCA. I ET I MOLLU Y Lapan. HCH HHR D WA A / V. mmn maia, us rubida LDiplyllutia Couth . (7. cucullata Tratonia E IG fl MR 403 g Flacobranchus Umbrella [contntd LET Å Chior 404 zanthobaptus Auct. Indica S ES S N Els lobata Esa Æ V MÆ Dongal > US kaplermg Fipedilion. NAA 4 ses TL, Chiton castaneus eus viridulus Jaspudeus lr alus Drawn by I.Drayton. Zelandiucus Quoy Couth . Couth . G. G. 240 . Chiton limeolatus Lremb. disjunctus ASPErr UNS prumesuse G. violaceus Quoy. Janerrensis Sow . JF rend. Couth . leruvianus Lam. interstinctus G. lgnosus G. seteger King. vespertinus G. Cogiwmbensis Fremb. MH. Dougal Se. MOLLUSCA. PIL. 270 MOLLUS CA. PL. 28. C S Enemy e pe . Chitor fretecosas GC. j Bb Ce uet. T a e Fes Paumoteresas Ga gos / ule 6. Guay DEVA EA cie SS a Chitenellas fasce Let Chiton Jugosus C. J EE cymbulartiaÓ Lam. platessa CG. MUSCOSOS ferrugenen Mood mos G. a EE JE deaurata Gmel. a,b Latella pperata WA Dougal Se. ` ' Drawn by IDraytor . Z S ng brpedion. ` 2,6 Vie funem GC. PERA = haemosa 6. AAA o A Å cerillas G. Drawn by IDrayton & Dougal. í. Latella sagittata pe Lord: Yb 107: Es ATANCOSA a ZO wena Ju. argentata losa G. NE A SCOOT A rir dde UL G. MOLLUS CA. PL.29. LIS Erg BAON. DD RE SR AA comica 6. recer VI do Siphonaria cornuta å. Drawn by Á Praytori £ Dougal. dd Z b a,b Æ D Lottu zebrina Lesson Syphenæarra onycluna Æ. Siphonaria = lateralis Conto. normal. t. MOLLUSCA. PL. 300 Lessoni Bla. antarctica Conte. inculta å. lgnda G. WA Deugeat Se. US krploring La pedror . MOLLUSCA. PL. Bl. fussurella picta Lam. Fissurella cruciata 6. mula cucillala ŒG. cratitia CO. 7 Ci IL verna å. Eee SN, occidens G. PENE NET Es Drawn by IDrayton. WH. Dougal Se. Co Lari Biritan. MOLLUSCA: PIL. 32 — TNO OC DO DINA NPE NER NE 9 TES Crepidala nummara c. Caliptreca pileatus Doro. ac Emanrginula fungina d. lngulata 6. 7 Y tipules sager ` C. mas assea 6. zostreformes C. Cabo cltorma 08. DD aspre O. Leptoconchus madreperarum Œ. Z2 OM 7 7 å, E ue = GÇ. Calyptrea tasega CO. 15. Lileopses crystallina =G. ac Huovus aduncus G. Hirpomt mbrwala d. Drawn. by d Drayton : WH. Dougal Se. A EM TAE A pt . MOLLUSCA. Pla, 33. Tamaan ab Mya precisa å. ds b Landera usa 6. D rb Soler 402 a,b Solen scalprum 503 a,b ` Mactra | deluta sicarius G. GØR a, DO EE a,b Mactra marcida G. Drawn: by J. Drayton & A.F. Bellows. W.H.Dougal Se. simetria RE T PA LIS EM Lindt. Drawn by AL Bellows . Macira lancpea Lutraria Tee. CG. VA ENETOSA COAL. $= D E: a. < S) CA. PLs 840 WA Dougal Sc. LYE AMONG L'ipedition. Usteodesma bracteatum G. E Last meres tes Mesodesma mundam G. Amphudesma croceun G. Psamimobia rida d. Drawn bv LDrayton & LE Bellows. å Jule æð ep DA ï; b æð [auta compta peruta erculia lithonia E Æ 5. a e MOLLUSCA. PL. 35. WA Dougal Sc. LS LM Eee. MOLLUS CA ; MOLLUS CA. PL. 360 519 lilla concentrica 8. ER O SIRIA ea = ad Orena debiles ` WAA GRO Donar pallidus 6. Ge 4 Í vesicilaa ` G. = a Cardita =pentricosa E. å. nas P. RE 2,6 dietas egregia 6. ne d. 922 crocatus å. a, b patella `G. Cardium blandam ŒG. DEG Lucina ramulosa 6. SÓ lenta 6. Drawn by AL Bellows . WA Dougal Sc. CES LIMOTING nid MOLLUSCA, Pl. 37 (ypricardia roset 6. NVacula sulculata 6. Arlhonis lambata GC. : Dnia cdorsuosus 6. Zenus trima GC. VEN eres CE rigida Os y mt lutulentus C. FN WA. Dougal Se. RAL Bellows. e Ü S Lrploring Expedition. MOLLUSCA. PL. 38. yat ARE NO: SAG MUSE I Å 546 a,6 Anodonta cognata GC. SAA a, É S eee NT 927 a, å AN AIN SLI Alasmodornta alcala È LE 2,6 puberula G. Drawn by 2. Drayton, WH. Dougal Sc. & AL: Bellows. COIL AUT Ny Erpediton . JD mo APA mem Å. TAG AAL lurida G. © Drawn by 4.4. Gould. & A.F. Bellows. DID DN na vidua ti 0 GE Avicula cata glabra G. r W.H.Do ugal Se. LS Eu L'ipeditton. FAG Dr: Ó Draum by AA. Could. J. Drayton & AL Bellows. Avicula negre GC. Meleagrina = marqari tit ira Lent. Pera nana O. 25 ve, å a d Lerna eremita MOLLUSCA. PL. 40, a,b. Perna argllacea E. ES 560 a reg SOOT cl Ge / Mytilus Tlabellatus WH. Dougal Si MOLLUSCA., IPL. 4. CNL tut LIpe autos. E ST os: ma smm mes mene ZI CAI 9372 H ES j 3 è | à $3 Eg ue drossulues G. Mytilus meret G KDE 7 Zrapesima d. G G SOL a2 Mptetes puru ns divaricate SOS: å DE arcolatits lpatecias T N F.H Dougal Sc. Mytilus bes TG DOR Ge Draw by AL Bellows. d A EM Lett MOLLUSCA» Lectern cams 6. heruits G. leius O. Drawn by AF. Bellows. 4 WA Dougal YA MOLLUSCA. Po 450 4 7! edition. 7 Lo 7/06, e LL Eel F Ostrea glomerata Chem UK 270 age Lima Ge N N = N N N r N N WA Dougal Sc. by LJ Drayton Drawn CS EM Leon. MOLLUSCA. Po 44 ab Ostrea auum 6. ce Merkir ama E. Modiolarca pusilla G. ae API PAASA NG DO oc E SAR et Lrycna (ela) quadrata CG. ae Zerebratula pulvinata ŒG. 582 a,b Crenutule perganunca 0. TÆ EE Drawn by I Dravton WA Dougal Se. d AL Bellows 7277272277 Z THC T ing k T H 7 SL USCA 9 Pla 450 T J MOLL Y F Ge velata `N N N N N D eoe Argonaula 7 wi 6. y, cg aloe DOG NG AE RO AUS TR (Dis) v e T.H.Dougal S atom. y Drawn by J. LILUSCAs PL. 46. ) Y b AMI Mr Licpeditien . AD. / ni A l Unes S N À N N DAX S RESA (des) d €. gal A WA. Doti J. Drayton. by Drawn 470 gul Se. HÆ. Lou bako MOLLUSCA. PIL. UNS Op a DISS Së ee Xa 253 "as 39, ENT lr ke) N AN N N IN N CHI SONS AA raça ëm L'epediticn y e Wh HE bo IP PAS QU es Drawn by S Drayton. TS. Ü S EMIT Li TOC AULON . ei TA Eo od >Y UN OD 6 eres GA 497 å 4 pusillus å. SI? å SE me. WA Deugal Se. Drawn bv JDrarter 5 Pa paya pett vann d aS e MAD Ea GO Pb... SODI, e os din ir Mi, E. G arclipinnis VANUS Ay 2999 9 ` S § $ Ò N EDITOR 23229 C 72 GELOSIA AA RES E 5 ^ KAKS pm. etm ss A q € D pur" EI ne Tanga — KE T Mii em Y ma ii Denon. o? ZA 7⁄1 Lr . dV LA Drawn e. e. WA Dougal Se MOLLUSCA. PL. 50. Pes CL brevemantas G $ N 3 S > N RE TGE G LIPedi . yton. Draun by 1. Drit t T EUM ES 4 No Po DI. y „Á NA JSC MOLLI = AV US Exploring Expedition. ra vaevuta Ar Cleodora cucullata 2 è ORO as N N OR N L Dl GOL primitia Ca Atlanta d QUE Qu placida G. aphordea SE GE cunicula Le munda traten e 1emorala yale violacea Æ YA INA INIS 5. tessellata 7 CA WA. Dougal S Drawn by SD Dama, S.P. Coulthony, 7. Drayton. (LS Lerplormg Kipaliton. 609 610 677 OL? , a Drawn by J Draytow. ID. Dane & SP. Coutiony. Cinthia. G Phatiusia vrolacea. G Ascidia monstrans. G- Bola coada. G Asa Botryllord ucel eru bes cens. YA OL 616 OLI 620 a SE ADA MOLL US CAo PL 9 52. Lucian Fucwlum llum. Dracoma ? Lolvclinium Nephthers ? WA. Dougal Se. a | BRARY | 3 2044 110 3 ERNST MAYR LI MN | | | | SII a MADE oa ——— Read na E Lee € d Ki Hlin n fr tel, yy RI Semt lad wl aaa I e ai Ari; w^ SËCH en. ret Gp S y ad nk, A paa R Pal ð Gi e L A RE WA M "ve add va E gen ee E ER onan hes Å : Ny apa | c < Cu ` 4 oe L 3 K 7 ? e C pat R 3 pos i på = sii "i gere Togli hone 22 i = 2: Trach s po m Gayle tet y a Wt AN PH D ei na. om aw i pie ip rer. pu KAS Y i T y ei bay Tag labi akt å Dt jal a WE Ch Gë ket ad RTE S dE ek EE Da E SUR e e H Ta en E E MA n pola elad pressa MT ee qe RIA E ms å LAD rap LE Lët ee ot ge oe dines eur nd: (E ue urs T Fer ON SETE sl tq ll äech. pap XU kä Aes "T eui dad A ie ` mà. ee aaa Li m sag Itera radares td dá, Shey > rd the el £ s gege sea a ECH trato D Ze R scai ad [ARA tiri TOF VLL E Sus DP EC, pot lane is EN A ua 4 ATA A E pa a o AOA be mio M Bos ANA mn PET EES no kw