84 CALIFOKNIA ACADEMY OF SCIENCES. 



MOLLUSCA (Continued). 



Subgenus Luuatia 315 



355. (L.) lewisii Gould 315 



Geuus Sigaretus Lamarck 316 



356. debilis Gould 316 



Family LXXIX. Lamellar iidcB 317 



Genus Lamellaria Montaou 317 



337. stearnsii Dall 317 



SUPERFAMILT DOCOGLOSSA 317 



Family LXXX. Acmceida; 317 



Genus Acmsea Esch 317 



358. depicta Hinds 317 



359. insessa Hinds 318 



360. instabilis Gould 318 



361. mitra Esch 318 



362. paleacea Gould 319 



363. pelta Esch 319 



364. spectrum (Nuttall) Keeve 320 



Family LXXXI. Lioliidae 320 



Genus Delphiuoidea Brown 320 



[S. D.] coronadoensis, sp. nov 320 



Familn LXXXI/. PhasianelUdoi 321 



Genus Phasianella Lamarck 321 



365. compta Gould 321 



Family LXXXI II. Turhinidce 321 



Genus Pachypoma Gray 321 



366. iu;i>quale Martyn 321 



Genus Pomaulax Gray 322 



367. nudosus Wood 322 



Genus Leptothyra Carpenter 322 



368. bacula Carpenter 323 



369. carpenter! Pilsbry 323 



370. paucicostata Dall 323 



Family LXXXI V. Trochida 324 



Genus Chlorostoma Swainson 324 



371 . aureotinctum Forbes 324 



372. brunneum Philippi 324 



373. funebrale A. Adams 325 



374. funebrale A. Adams, var. subapertum Carpenter 325 



375. gallina Forbes 326 



376. montereyi Kiener 326 



Subgenus Omphalius Philippi 327 



377. (O.) viridulum var. ligulatum Menke 327 



Genus Thalotia Gray 327 



378. cafl'ea Gabb 327 



Genua Phorcus Ris.so 328 



379. pulligo Martyn 328 



Genus CalHostoma Swainson 329 



380. annulatum Martyn 329 



381. canaliculatum Martyn 329 



382. costatum Martyn ; 330 



383. gemmulatum Carpenter 330 



384. tricolor Gabb 331 



Genus Norrisia Bayle 331 



385. norrisii Sowerby 331 



Geuus Margarita Leach 332 



386. optabilis Carpenter, var. knechti, var. nov 332 



387. optabilis Carpenter, var. nodosa, var. nov 332 



388. parcipicta Carpenter, var. pedroana, var. nov 333 



389. pupilla Gould 333 



Genus Solariella S. Wood 334 



