434 



BULLETIN : MUSEUM OF COMPARATIVE ZOOLOGY. 



Ostrea, 406. 



hians, 406. 



lima, 406. 

 Oxymeris, 246, 249. 



Pallium, 401. 

 Panococklea, 345, 346. 

 Pascula, 311. 

 Patella, 330. 



australis, 330. 



subrufa, 329. 



ungarica, 329. 

 Pavreaudeautia, 332. 

 Pecten, 400, 401, 402, 403, 404, 405. 



cocosensis, 405. 



gelatinosus, 403. 



liriope, 402. 



miser, 401. 



neoceanicus, 402. 



panamensis, 404. 



pasca, 401. 



polyleptus, 403. 



rotundus, 404. 



sericeus, 400. 



subnodosus, 401. 



thalassinus, 405. 



vitreus, 404. 

 Pectunculina, 392. 

 Pectunculus, 392, 399. 



granulatus, 392. 



multicostatus, 399. 



scalaris, 392. 



violascens, 399. 

 Ptlagoditcus, 440. 

 Penitella, 425. 

 Periploma, 426, 427. 



carpenter!, 426. 



discus, 427. 



steamsii, 426. 



sulcata, 427. 

 Perirhoe, 246, 248, 253. 

 Petaloconchus complicatus, 326. 

 Petrasma, 363, 366. 

 Phaseolus, 391, 392. 



ovatus, 391, 392. 



patagonicui, 392. 

 Pholadidea minuscula, 425. 

 Pho9, 30C. 



beaui, 306. 



cocosensis, 306. 

 Phyllodina, 419. 

 Phyllonotus, 313. 



riiymorhynrhut, 258, 283, 284, 285. 

 PileopMs, 329, 3-30. 



comucopiae, 330. 

 Plsi'lium, 411. 

 Placiphorella blainvillei, 357. 



Pleurotoma, 255. (See Turris.) 



aulaca, 273. 



calliope, 261. 



cedonulli, 273. 



clara, 272. 



cristata, 257. 



emarginata, 259. 



exulans, 265. 



gemmata, 256. 



goodei, 257. 



gracilis, 259, 260. 



hooveri, 276. 



intorta, 256. 



linearis, 259. 



pagoda, 259. 



verrilli, 257. 

 Pleurotomella, 258, 278, 279, 280, 281, 282, 



283, 284, 285. 



agonia, 278, 279. 



altinn, 278. 



argeta, 283, 284. 



castanea, 258, 284. 



cingulata, 283, 284. 



clarinda, 285. 



dinora, 281. 



egregia, 279. 



esilda, 282. 



isogonia, 279. 



oceanica, 284. 



packardii, 258, 285. 



patella, 282. 



polystephnnus, 281. 



suffusa, 282. 



xyhina, 280. 

 Plicatula dubia, 406. 

 Pneuniodemion, 2.32. 

 Polinices, 333, 334, 335, 336, 337, 338. 



agujnnus, 334. 



constrictus, 337. 



cratcfordianus, 335. 



intemerata, 334. 



litorinus, 337. 



pnrdoanus, 336. 



solutus, 335, 336. 



etrebeli, 338. 



uber, 334. 



vaginatus, 336. 

 Poromya, 428, 429, 430. 



anatinoides, 428. 



rhiUnsis, 430. 



equalorinlis, 429. 



granulata, 428. 



laevis, 428. 



mactroides, 429, 430. 



perla, 428. 

 Propcniniisiuni, 405. 

 I'ruscaphella gracilior, 298. 



