AKNOLD — THE PALEONTOLOGY AND STKATIGHAPHY OF SAN PEDRO. 81 



MOLLUSCA (Continued). 



264. luriilii MiDU., var. caiicelliua Piiii.irri 257 



265. hirida Midd., var. cerritensis, var. iiov 258 



266. lurida Midd., var. munda Cakpenter 258 



267. micheli Ford 259 



268. perita Hinds 259 



269. ponlsoni Nuttai.i, 260 



Suhfrrniili/ Purpurincc 260 



Geuus Purpura Bruouiere 260 



270. crispata Chemnitz 261 



271. saxicola Valenciennes 261 



tiubfamily CoralUophilhue 262 



Genus Coralliophila H. & A. Adams 262 



272. nux Eeeve 262 



Suborder Streptodonta 262 



SUPKRFAMILY PTENOGLOSSA 262 



Faviihj LXII. Scalidai 262 



Genus Scala Hdmphrey 262 



273. bellastriata Carpenter 26.3 



274. crebricostata Carpenter 263 



275. hemphilli Dall 264 



276. hindsii Carpenter 264 



277. indiauorum Carpenter 264 



278. tincta Carpenter 265 



Geuus Opalia H. & A. Adams 266 



[S. D.] anomala Stearns 266 



279. borealis Gould 266 



280. ereuatoides Carpenter, var. insculpta Carpenter 267 



[S. D.] varicostata Stearns 267 



SUPERFAMIL Y GYMNOOLOSSA 268 



Family LXII I. EuUmidm 268 



Geuus Eulima Eisso 268 



281 . falcata Carpenter 268 



282. hastata Sowerby 268 



283. micaus Carpe>ter 269 



Family LXI V. Pyramidcllidie 269 



Genus TurboniUa Risso 269 



Section Strioturbonilla Saoco 270 



284. (S.) muricata Carpenter 270 



285. (S.) similis C. B. Adams 270 



286. (S.) stearusii Dall & Bartsch, sp. nov 271 



287. (S.) torquata Gould 271 



288. (S.) torquata var. stylina Carpenter 272 



Section Lancea Pease 272 



289. (L.) aurautia Carpenter 272 



290. (L.) tridentata Carpenter 273 



291. (L.) peutalopha Dall & Bartsch, sp. nov 274 



Section Pyrgiscus Philippi 274 



[S. D.] (P.) auricoma Dall & Bartsch, sp. nov 274 



292. (P.) latifundia Dall & Bartsch, sp. nov 275 



293. (P.) teuuicula Goold 275 



294. (P.) crebritilala Carpenter 276 



295. (P.) subouspidata Carpenter 277 



Section Pyrgisculus Monterosato 277 



296. (P.) laminata Carpenter 277 



Section Pyrgolampros Sacco 278 



297. (P.) lowei Dall & Bartsch, sp. nov 278 



[S. D.] (P.) lowei var.pedroaua Dall & Bartsih, var. nov. . 279 



298. (P.) aruoldi Dall & Bartsch, sp. nov 279 



299. (P.) gibbosa Carpenter 279 



( 11 ) June 16, 1903. 



