DALL: MOLLUSCA AND BRACHIOPODA. 



483 



Miomelon, 298. 

 Mnestia, 241. 

 Modiola, 418. 



capax, 418. 



linea, 364. 

 Moera, 420. 

 Moerella, 420. 

 Mohnia, 257, 274. 



frielei, 274. 

 Monoculus teleinus, 230. 

 Monodonta, 346. 

 Mopalia blainviUei, 357. 

 Mucronalia, 317, 318. 

 Murex, 255, 256, 261, 301, 312, 313, 400. 



anus, 318. 



babylonius, 255. 



centrifuga, 313. 



colus, 301. 



diomedaeus, 313. 



erinaceiis, 313. 



gracilis, 261. 



humilis, 313. 



javanus, 256. 



nebula, 259. 



tenuispina, 400. 



textilis, 260. 

 Mya, 372, 422. 



pernula, 372. 

 Myonera, 434. 



bicarinata, 435. 



garretti, 434. 



paucistriata, 435. 

 My sella, 413. 

 Mytilus solen, 362. 

 Myurella, 245, 246, 248, 249, 250. 



Nacca, 332. 

 Narona, 294. 

 Nassa, 306, 309, 319, 



arcularia, 319. 



ephaniilla, 309. 



incrassata, 306. 

 Natica, 332, 333, 334, 335, 337, 338. 



ampullaria, 333. 



canrena, 332. 



cepacea, 334. 



clausa, 332. 



glaucinoides, 333. 



i Ml per via, 338. 



infuiidibuluni, 334. 



intemerata, 334. 



labellata, 333. 



livida, 333. 



maroccana, 333. 



Othello, 332. 



scelhrn, 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 mainilla, 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, 370. 



australis, 383. 



chrysocoma, .370. 



colombiana, 371. 



costellata, 375. 



declivis, 371. 



elenensis, 374. 



excavata, 374, 



excisa, 378. 



exigua, 370. 



gibbosa, 372. 



iphigenia, 369. 



panamtna, 368. 



pigafeltae, 369. 



pisum, 370. 



proxima, 387. 



savatieri, 367, 368. 



semiornata, 370. 



sulculata, .390. 



taeniolata, 368. 



tanneri, 367, 368. 

 Nuculana, 367. 

 Nuculocardia divaricata, 410. 

 Nudibranchs, 244. 



OCENEBRA, 313. 

 Ocinebra, 313. 

 Oinphalius, 342. 

 Onchorhynchus, food of, 232. 

 Oocorys, 321, 322, 323. 



abyssonini, 321. 



aquilaruni, 321. 



tlevata, 322. 



fischeri, 321. 



pacillca, 322, 323. 



rotunilii, 322. 



sulcata, 321 . 



watsoni, 321. 

 Orbignyia, 230. 

 Orthagoriscus mola, 232. 

 Orthoyoldia, 380. 



