ARNOLD — THE PALEONTOLOGY AND STEATIGRAPHY OF SAN PEDKO. 83 



MOLLUSCA (Continued). 



Genus Csecum Fleming 297 



324. califoruicum Dall 297 



325. crebiicinotum Oarpknteu 298 



326. magnum Stearns 298 



Family LXXI. Vermeiidte 299 



Genus Serpulorbis Sassi 299 



327. squamigerus Carpentkk 299 



Subgenus Vermicularia Lamarck 299 



328. (V.) sp. iudet 299 



Genus Spiroglyphus Daudin 299 



329. lituella Morch 299 



JPamily LXXII. TurritelliiU 300 



Genus Turritella Lamarck 300 



330. cooperi Carpenter 300 



331. jewettii Carpenter 300 



Family LXXI II. Liltorinida 301 



Geuus Littoriua Ferossac 301 



332. plauaxis (Nottall) Phiuppi 301 



333. scutulata Gould 302 



Genus Lacuna Turton 302 



334. compacta Carpenter 302 



335. porrecta Cakpe.vter .303 



336. solidula (Lovkn) Carpenter 303 



Family LXXI V. Fossaridae 304 



Geuus Fossarus Philippi 304 



Subgenus Isapis H. & A. Adams 304 



337. (I.) feuestrata Carpenter 304 



Family LXX V. liissoidie 304 



Geuus Rissoa Freminville 304 



3.38. acutelirata Carpenter 305 



Subfaviihj IlydrobiiMe 305 



Geuus Paludestrina d'Orbigny 305 



339. curta, sp. nov 305 



340. stokesi, sp. nov 305 



Family LXX VI. Cahjplraidce 306 



Geuus Crueibulum Schumacher 306 



Section Crueibulum s. s 306 



341. (C.) spinosum Sowerby 30b 



Genus Galerus Humphrey 307 



342. mammillaris Brooerip 307 



Genus Crepidula Lamarck 307 



343. aouleata Gmelin 308 



344. adunoa Sowerby 308 



345. dorsata Bkoderip 309 



346. grandis Miijdendorff 309 



347. navicelloides Nuttall 310 



348. onyx Sowerby 310 



349. rugosa Nuttall 311 



Family LXX VII. Amaltheidce 311 



Genus Hippouyx De France 311 



350. antiquatus Linn 312 



351. cranioides Carpenter 312 



352. tumens Carpenter 313 



Family LXX VIII. Naticidce 313 



Genus Natica (Adanson) Scopoli 313 



Subgenus Cryptouatica Dall 313 



353. (C.) clausa Broderip & Sowerby 313 



Genus Polynices Montfort 314 



Subgenus Neverita Risso 314 



354. (N.) recluziaua Petit 314 



