SUBJECTS INDEX. 



A. 



Acanthodrilus, 79. 

 Acanthoteuthidae, 235. 

 Acanthoteuthis, 292. 

 Acavus, 104. 179, 186, 



191, 192, 196, 197. 

 Acera, 100, 160, 173. 

 Acipenser, 355, 564. 

 Acmaea, 99. 

 Actaeon, 100, 145, 162, 



163, 224. 

 Aeolidae, 159, 161, 164. 

 Aeolis, 100, 102, 160, 164. 

 Amaroucium, 336, 449- 



453, 468, 469, 514. 

 Ammocoetes, 522, 523, 



564. 

 Animoiioidea, 235, 287, 



288. 

 Aniphibola, 175, 182. 

 Amphineura, 1-21. 

 Amphioxus, 334, 339, 

 342, 343, 348-350, 353, 

 361, 366, 377, 520-524, 

 536-579. 

 Amusium Dalli, 71, 72. 

 Anchinia, 367, 479-483, 



519. 

 Ancylus, 101, 180. 

 Anodonta, 23, 24, 50-54, 



58, 62, 66, 72. 

 Anomia, 82. 



Aplysia, 100, 102, 108, 

 112,115,117, 129,141, 

 145, 159-161, 164, 173. 

 Appendicularia, 334, 338, 

 355, 360, 366, 367, 448, 

 518-521, 561. 

 Area, 22, 70-72, 78, 79, 



82. 

 Arcidae, 48. 



Argonauta. 235-240, 251- 

 253. 257, 266, 267, 287, 

 294-296. 

 Arion, 101, 184-187. 

 Articulamentum, 13. 

 Ascidia canina, 337. 

 — mentula, 359. 



Ascidiacea, 334. 

 Ascidiae Compositae, 

 334. 



— Luciae, 334. 



— Simplices, 334. 

 Ascidiella, 377, 378. 

 Ascidiozooid, 389-414. 

 Atlanta, 100, 102, 154- 



158. 

 Auricula, 101, 175, 176. 

 Aviculidae, 37, 61. 

 Azygobranchia, 99. 



B. 



Balanoglossus, 542, 549, 



575-579. 

 Basommatophora, 101. 

 Belemnites, 235, 288-295. 

 Belemnoteuthis, 235, 



292. 

 Bellerophon, 188. 

 Belosepia, 290, 291. 

 Botryllidae, 372, 149. 



456, 457, 460, 463. 

 Botryllus, 367, 377, 465, 



466. 

 Branchiopneusta, 182. 

 Buccinum, 100, 103. 

 Bulimus, 101, 104, 105. 

 Bulla, 100. 

 Busycon, 103. 

 Bythinia, 100, HI, 114, 



118, 121, 129, 136-141, 



191-195, 204, 205, 209- 



212. 



C. 



Cadulus, 96. 

 Calvptraea, 100, 152. 

 Capitellidae,82,577,578. 

 Cardium, 22, 23, 27, 30, 



47, 67, 76. 

 Carinaria, 100, 102. 114, 



154-158. 

 Cavolinia, 100. Ill, 167- 



171. 

 Cephalochorda, 536-579. 



Cephalopoda, 1, 235-314. 

 Chaetoderrna, 1, 324. 

 Chaetogaster, 577. 

 Chilina, 145. 

 Chiroteuthidae, 235. 

 Chiton, 1-18, 37. 93, 200, 



208, 215, 308, 315, 319, 



323, 326. 



— marginatus, 5, 6. 



— olivaceus, 10. 



— Polii, 2, 3, 6, 8, 10. 

 Chromodoris, 100, 160, 



164. 

 Ciona, 336-339, 342-346, 



350, 361, 368, 377, 448. 

 Circinalium, 336. 

 Cirrhoteuthidae, 235. 

 Cirrhoteuthis, 265, 295. 

 Clausilia, 101, 105, 184, 



187. 

 Clavelina, 335-340, 344- 



351, 360-364, 367-377, 

 452, 463-469. 



— lepadiformis, 359. 

 i — Rissoana, 344-351. 

 I Cleodora, 100, 167. 

 Clione, 101, 102, 115, 



118, 167, 171. 172. 

 ; Coelocormidae, 519. 

 I Colellapeduuculata,457. 

 ! Cranchiidae, 235, 293. 

 ! Crepidula, 100, 103, 107, 



110, 111, 115119, 128, 



129, 141. 

 I — convexa, 105. 



— fornicata. 105. 



— plana, 105. 

 Creseis, 100, 102, 



169. 

 Ctenodonta, 61. 

 Ctenophora, 321. 

 Cuspidaria, 22. 

 Cyathozooid, 389, 393- 



404. 

 Cyclas, 22-30. 33-35, 39- 



48, 51, 55, 59, 63, 66- 



76, 82, 123. 

 Cyclomyaria, 334, 519. 



167- 



