478 BULLETIN: MUSEUM OF COMPARATIVE ZOOLOGY. 
Argonauta compressa, 225, 227. 
conradi, 226, 229. 
cornuta, 224, 226, 228. 
crassicostata, 229, 
cygnus, 226, 227. 
dispar, 226, 228, 229. 
expansa, 224, 
fragilis, 226, 229. 
geniculata, 226, 229. 
gondola, 229. 
gracilis, 228. 
grandiformis, 225, 227. 
grüneri, 224. 
haustrum, 227. 
hians, 226, 229. 
kochiana, 229. 
maxima, 227. 
mutica, 224. 
navicula, 226, 229. 
naviformis, 227. 
nitida, 229. 
nodosa, 226, 228, 229. 
nouryi, 224, 226, 228. 
obtusangula, 227. 
oryzata, 228, 
oweni, 229. 
pacifica, 225, 226, 228, 
papyracea, 227. 
papyria, 226, 227. 
polita, 229, 
raricostata, 229. 
rotunda, 228, 
xufa, 226, 229. 
sulcata, 227. 
tuberculata, 228. 
tuberculosa, 228. 
Aspella, 312. 
Assula, 238. 
Astarte longirostris, 411. 
magellanica, 411. 
Astyris, 310. 
saintpairiana, 310. 
BARBATIA, 398, 399. 
Basiliola, 442. 
Bathyarca, 397. 
Bathybembix, 348. 
Bathysciadium, 338, 339. 
conicum, 338. 
pacificum, 339. 
Bellardia, 259, 262. 
Bellardiella, 259, 260, 261. 
Bembix aeola, 348. 
Benthodolium, 321. 
abyssorum, 321. 
pacificum, 323, 
Beringius, 305. 
Boreofusus berniciensis, 303. 
Bornia, 413. 
Borsonella, 258, 275, 276, 277. 
Borsonia, 258, 275, 276, 277. 
agassizit, 275. 
coronadoi, 277. 
dalli, 258, 275, 278. 
diegensis, 275. 
hooveri, 276. 
prima, 258. 
saccoi, 277. 
Buccinopsis, 304. 
Buccinum aquilarum, 821. 
dimidiatum, 245. 
filosum, 304, 
lanceatum, 245, 
maculatum, 245. 
mutabile, 306. 
papillosum, 306. 
reticulatum, 306, 
subulatum, 245. 
Bulla, 243, 244. 
abyssicola, 244. 
ampulla, 244. 
bidentata, 241. 
lignaria, 238. 
Bullaria, 243, 244. 
Bullea, 244, 
morgana, 944. 
Bullina, 241. 
Bullinella, 241, 242. 
Bullus, 244. 
Bursa, 320. 
caelata, 321. 
calcipicta, 320, 
CABOCHON, 329. 
Cadulus, 360, 361. 
albicomatus, 360, 
californicus, 360. 
peruvianus, 361. 
platystoma, 361. 
striatus, 360. 
Calliostoma iridium, 348, 
Calliotectum vernicosum, 257, 274. 
Callistochiton periconis, 355. 
Callocardia, 415. 
atlantica, 415. 
gigas, 418. 
leeana, 418. 
lepta, 416, 418. 
ovalis, 417. 
stearnsii, 417. 
Callogonia, 418, 419, 
angulata, 419. 
Camptonectes, 403, 404, 
Cancellaria, 294. 
