DALL: MOLLUSCA AND BRACHIOPODA. 483 
Miomelon, 298, 
Mnestia, 241, 
Modiola, 418. 
capax, 418. 
linea, 364. 
Moera, 420, $ 
Moerella, 490, 
ohnia, 257, 974, 
frielei, 274, 
Monoculus telemus, 230. 
9nodonta, 346. 
Opalia blainvillei, 357. 
ucronalia, 317, 318. 
Urex, 255, 256, 261, 301, 312, 313, 400. 
Anus, 318, 
babylonius, 255, 
centrifuga, 313. 
colus, 301. 
diomedaeus, 313. 
erinaceus, 313. 
gracilis, 261, 
humilis, 313, 
Javanus, 256. 
nebula, 959, 
tenuispina, 400. 
textilis, 260, 
Mya, 372, 499, 
pernula, 372, 
Myonera, 434, 
bicarinata, 435, 
garretti, 434, 
Paucistriata, 435, 
eel, S5 
"S solen, 369 
M , 362, 
Yurella, 245, 246, 248, 249, 250. 
Nacoa, 332, 
Narona, 294, 
assa, 306, 309, 319, 
Arcularia, 319, 
*phamilla, 309, 
, Mcrassata, 306, 
Natica, 332, 333, 334, 335, 337, 338. 
ampullaria, 333, 
Canrena, 332, 
Cepacea, 334, 
clausa, 339, 
8laucinoidos, 333, 
IMpervia, 338, 
infundibulum, 334, 
intemerata, 334, 
labellata, 333, 
livida, 333, 
Maroccana, 333. 
Othello, 339. 
scethra, 333, 
Soluta, 335, 337. 
Natica spadicea, 332. 
uber, 334. 
vitellus, 332. 
Naticina, 334. 
Nautilus papyraceus, 228. 
Neaera patagonica, 431. 
Neilo, 383, 386. 
cumingi, 383. 
Neptunea, 304. 
Nerita mamilla, 333. 
Neverita, 333, 337. 
josephinae, 333, 
Nodipecten, 401. 
Noditerebra, 246, 247, 248. 
Nucula, 367, 368, 369, 370, 371, 372, 374, 
375, 378, 383, 387, 390, 
agujana, 870. 
australis, 383. 
chrysocoma, 370. 
colombiana, 371. 
costellata, 375. 
declivis, 371. 
elenensis, 374. 
excavata, 374. 
excisa, 378, 
exigua, 370, 
gibbosa, 372. 
iphigenia, 369. 
panamina, 368. 
pigafettae, 369. 
pisum, 370, 
proxima, 887. 
savatieri, 367, 368. 
semiornata, 370, 
sulculata, 390, 
taeniolata, 368. 
tanneri, 367, 368. 
Nuculana, 367. 
Nuculocardia divaricata, 410. 
Nudibranchs, 244, 
OCENEBRA, 313, 
Ocinebra, 318. 
Omphalius, 342. 
Onchorhynchus, food of, 232, 
Oöcorys, 321, 322, 323. 
abyssorum, 321. 
aquilarum, 321. 
elevata, 399. 
fischeri, 321. 
pacifica, 322, 323. 
rotunda, 322, 
sulcata, 821. 
watsoni, 321. 
Orbignyia, 230. 
Orthagoriscus mola, 232. 
Orthoyoldia, 380. 
