CHAPTER XIII. 



LIST OF SPECIES, 



THE numbers refer to the coloured plates. The unnumbered 

 names are those of the unfigured species of sea-slugs. 

 The genera will be found alphabetically arranged in the pre- 

 ceding chapter. 



Abbreviata, Nesera, 180 

 Abyssicola, Rissoa, 408 

 Abyssorum, Dentalmm, 189 

 Acicula, Achatina, 312 

 Acicula, Odostomia, 501 

 Aciculatus, Murex, 507 

 Aculeata, Helix, 263 

 Aculeatum, Cardium, 129 

 Acuminata, Cylichna, 560 

 Acuta, Odostomia, 478 

 Acuta, Physa, 227 

 Acutus, Bulimus, 259 

 Adelaidae, ^Eolis, 

 Adriaticus, Mytilus, 22 

 /Estuarii, Littorina, 391 

 Affinis, Natica, 376 

 Agrestis, Limax, 235 

 Alba, ^Eolis, 

 Alba, Cylichna, 564 

 Alba, Scrobicularia, 101 

 Alba, Tritonia, 

 Albella, Odostomia, 473 

 Albella, Rissoa, 413 

 Albus, Chiton, 195 

 Albus, Planorbis, 215 

 Alderi, ^Eolis, 

 Alderi, Natica, 374 

 Alliarius, Zonites, 249 

 Alpestris, Vertigo, 292 

 Arnabilis, Trochus, 341 

 Amnicum, Pisidium, 85 

 Amoena, /Eolis, 

 Anatina, Anodonta, 58 

 Ancyloides, Propilidium, 323 

 Angulata, ^Eolis, 

 Angulata, Philine, 571 

 Angustior, Vertigo, 293 

 Antiquatus, Solecurtus, 150 

 Antiquus, Fusus, 520 

 Antivertigo, Vertigo, 294 



Aperta, Philine, 576 

 Aratus Pecten, 41 

 Arborescens, Dendronotus, 



% 599 



Arborum, Limax, 238 

 Arbustorum, Helix, 264 

 Arenaria. Mya, 143 

 Arenicola, /Eolis, 

 Ascaris, Aclis, 366 

 Aspera, Doris, 670 

 Aspersa, Helix, 265 

 Aspersa, Idalia, 

 Ater, Arion, 241 

 Atornus, Homalogyra, 385 

 Attenuata, Pleurotoma, 537 

 Aurantiaca, ^Eolis, 

 Aureus, Tapes, 123 

 Auricularia, Limnaea, 207 

 Aurita, Limopsis, 17 



Balaustina, Tellina, 90 

 Balthica, Tellina, 92 

 Barbatus, Mytilus, 21 

 Barleei, Cerithiopsis, 448 

 Barvicensis, Trophon, 504 

 Berniciensis, Fusus, 527 

 Bidentata, Montacuta, 70 

 Bidentatus, Melampus, 202 

 Bifida, Hermsea, 

 Bilamellata, Doris 

 Bilineata, Eulima, 466 

 Binghami, Mya, 145 

 Bipinnata, Teredo, 171 

 Biplicata, Clausilia, 304 

 Borealis, Limopsis, 18 

 Borealis, Lucina, 62 

 Borealis, Trichotropis, 380 

 Bourguignati, Arion, 242 

 Brachystoma, Pleurotoma, 540 

 Bullata, Acera, 568 



146 



