278 University of California Publications in Geology [Vol. 12 



PAGE 



Lower San Timoteo deposition, the Eden beds 335 



Occurrence 337 



Potrero Creek deposits 333 



Eden fossil localities 339 



Description of Eden Pliocene fauna 339 



Canidae and Felidae , 341 



Canis? and Felis? 34I 



Smilodon, sp.? 34I 



Ursidae 34I 



Hyaenarctos gregoryi, n. sp 342 



Lagomorpha 343 



Hypolagus edensis, n. sp 34g 



Aves 348 



Edentata 349 



Nothrotherium or Pronothrotherium, sp.? 349 



Megalonyx, sp 35O 



Dicotylinae 350 



Prosthennops edensis, n. sp 351 



Platygonus?, sp 354 



Camelidae 356 



Pliauchenia merriami, n. sp 358 



Pliauchenia, sp. A 366 



Procamelus edensis edensis, n. sp ., 367 



Procamelus edensis raki, n. subsp 370 



Procamelus, sp. A 372 



Procamelus, indet. sp. referred limb, etc., material 373 



Stout limbed forms, two or more species 375 



Slender limbed forms, three or more species 376 



Cervidae 378 



Cervid, sp 378 



Antilocapridae 379 



Antilocapra?, n. sp 380 



Merycodus?, sp., or Ilingoceros?, sp 382 



Equidae 382 



Upper cheek teeth 383 



Pliohippus osborni, n. sp 383 



Pliohippus osborni subform A 385 



Pliohippus edensis, n. sp 388 



Pliohippus edensis subform A, Pliohippus spectans-like 388 



Pliohippus edensis subform B 391 



Pliohippus upper milk teeth 391 



Lower cheek teeth tentatively referred to 392 



Pliohippus osborni, n. sp 393 



Pliohippus osborni subform A 394 



^ Pliohippus edensis, n. sp 396 



Pliohippus edensis, subform B 398 



Near (?) Pliohippus edensis 400 



Pliohippus indeterminate 401 



Lower milk teeth 402 



Limb elements 403 



Proboscidea 405 



Trilophodon (Tetrabelodon) shepardi edensis, n. subsp 405 



