GEOLOGICAL SUMMARY. 



ECHINODERMATA. 



No. 418. Clypeaster ghizehensis. 



No. 419. [814] Clypeaster umbrella, Agass. 



No. 424. Echinolampus affinis, Desm. 



No. 432. Scutella disca, Mather. 



183 



No. 355. 

 No. 350. 

 No. 345. 

 No. 337. 

 No. 335. 

 No. 333. 

 No. 332. 

 No. 327. 

 No. 326. 

 No. 324. 

 No. 318. 

 No. 314. 

 No. 313. 

 No. 305. 

 No. 304. 

 No. 303. 

 No. 293. 

 No. 290. 

 No. 289. 

 No. 288. 

 No. 285. 

 No, 284. 

 No. 283. 

 No. 282. 

 No. 278. 

 No. 277. 

 No. 275. 

 No. 274. 

 No. 273. 

 No. 270. 

 No. 268. 

 No. 267. 

 No. 266. 

 No. 265. 

 No. 264. 

 No. 263. 

 No. 262. 

 No. 261. 

 No. 260. 

 No. 259. 

 No. 257. 

 No. 256. 

 No. 255. 



MOLLUSCA. 



Terebratula grandis, Blum. 



Ostrea. (2 specimens). 



Pecten expansus, Dall. 



[685] Dreissensia (Congeria) subglobosa. 



PectunculuS pulvinatUS,' Lam. (2 specimens). 



Area diluvii. Lam. 



Area biangulata, Lam. (3 specimens). 



Cardita Partsehii, Goidf. (4 specimens). 



"Venerieardia rotunda, Lea. (4 specimens). 



Crassatella protexta, Con. (2 specimens). 



Chama ealearata. Lam. (3 specimens). 



Cytherea nitida. (3 specimens). 



Venus laevigata, Nyst. (4 specimens). 



Helix Tryonii, New. (4 specimen.s). 



Helix turonensiS, Desh. (2 specimens). 



Dentalium hexagonum, Sow. (10 specimens). 



Trochus podolieus, Dubois. (4 specimens). 



Ampullaria vuleani, Br. 



Cerithium Bronni, Partsch. (5 specimens). 

 [618] Cerithium giganteum, Lam. 



Turritella Mortoni, Con. (3 specimens). 



Turritella turris, Bast. (4 specimens). 



Opalia anomala, Stearns. (4 specimens). 



Opalia varieostata, Stearns. (4 specimens). 



Crepidula eornu-arietes. (3 .specimens). 



Natiea helieina, Broc. (12 specimens). 



Natiea sigaretina, Desh. (3 specimens). 



Pyrula (Tudieea) rustieula. Bast. (2 specimens). 



Pyrula bulbus, d'Orl). (2 specimens). 



Rostellaria fissurella, Lam. (4 specimens). 



Conus Striatulus, Broc. (3 specimens). 



Pleurotoma turrieula, Broc. (8 specimens). 



Pleurotoma demidiata, Broc. (4 specimens). 



Columbella nassoides. Bell. (5 specimens). 



Oliva Greenoughii, Lea. (4 specimens). 



Voluta eithara, Lam. (3 specimens). 



Nassa limata, Chemn. (4 specimens). 



Nassa senilis. (10 specimens). 



Pisania plieata, Broc. (10 specimens). 



Bueeinum stromboides, Lam. (4 .specimens). 

 Fusus antiquus. Mailer. 



FUSUS longaevUS, Lam. (2 specimens). 



Murex catieulata, Broc. (10 specimens). 



