INDEX. 
The larger groups are indicated by capitals, the families and genera by small _ 
capitals; the names of. species are in Roman, and the synonyms in Italic. 
An ? indicates the doubtful British species. 
abbreviata, Neera (Anatina), 1438. 
abyssicola, Rissoa, 372. 
ACEPHALA LAMELLIBRANCHI- 
ATA, 4, 11, 23, 38. 
ACEPHALA PALLIOBRANCHI- 
ATA, 4, 10, 20, 35. 
acicula, Chemnitzia, 439, 526. 
acicula, Eulima (Chemnitzia), 439. 
acicula, Eulimella (Chemnitzia), 439. 
Actis, 7, 452. 
Acma, 6, 262. 
AcE, 7. 
aculeata, Anomia, 40. 
aculeatum, Cardium, 1038. 
acuminata, Ovula, 507. 
acuminatum, Buccinum (Murex), 486. 
acuta (Odostomia), Chemnitzia, 420, 
522. 
adversa, Rissoa? ?, 380. 
adversum, Cerithium (Rissoa), 380. 
adversus, Murex (Rissoa), 380. 
enea, Venus (Pullastra), 120. 
affinis, Eulimella (Chemnitzia), 439. 
akera, Bulla, 285. 
? alabastrum, Trochus, 309. 
ALATIDs, 8, 472. 
alba, Odostomia (Chemnitzia), 415. 
alba, Syndosmya, 136. 
albella, Odostomia (Chemnitzia), 415. 
albulus, Turbo (Rissoa), 358. 
albus, Chiton, 251, 514. 
albus, Conovulus (Pedipes), 299. 
Alderi, Natica, 466. 
Awnatina, 5, 140. 
anatina, Rissoa, 372. 
ANATINIDA, 5, 189. 
anatinus, Donax, 122. 
ancyloide, Propilidium (Acmza), 263. 
ancyloides, Acmza, 263. 
Awnopon, 4. 
anomala, Crania, 37. 
Anomria, 4, 40. 
ANoMIAD#, 4, 38. 
antiquatus, Solenicurtus, 156. 
antiquus (Fusus), Murex, 4838. 
aperta (Philine), Bullea, 286. 
AptystA, 6, 272. 
APLYSIAD, 6, 271. 
Arca, 4, 66. 
Arcav&, 4, 65. 
? arctica, Astarte, 11]. 
arctica, Cyprea, 505. 
arctica, Saxicava, 161]. 
arenaria, Mya, 166. 
ArGropE, 4, 36. 
ascaris, Aclis, 453. 
asellus, Chiton, 250. 
AssimInia, 7, 380, 521. 
AstarteE, 5, 111. 
athletica, Patella, 261. 
atomus, Truncatella, 386. 
attenuata, Mangelia (Murex), 498. 
attenuatus, Murex, 498. 
aurea, Tapes (Pullastra), 120. 
AvicuLa, 4, 64. 
balaustina, Tellina, 128. 
Ballii, Modiola, 62. 
Bamffius, Murex, 482. 
barbata, Modiola, 61. 
Barleei, Chemnitzia, 446. 
BaRLEETA, 7, 391]. 
Barvicensis (7'’rophon), Murex, 482. 
Beanii, Rissoa, 364. 
Bernicensis (Fusus), Murex, 483, 
bidentata (Montacuta), Anatina, 145. 
2M 
