1918] Stock: The Pleistocene Fauna of Hawver Cave 



469 



f Bison, sp. 

 Odocoileus, sp. a 

 Odocoileus, sp. b 



jEuceratherium collinum Sinclair and 

 Furlong 

 Oreamnos ainerieanus (Orel) 

 +Platygonus( ?), sp. 

 fEquus occidentalis Leidy 

 tEquus paeificus Leidy 

 {Mammut amerieanum (Kerr) 

 fElephas primigenius Blumenbach 



Samwel Cave 2 



Ursus ainerieanus Pallas 

 fUrsus, n. sp. 

 Ursus, sp. 

 Vulpes, sp. 



Urocyon cinereoargenteus townsendi 



Merriam, C. H. 

 Procyon, near lotor (Linnaeus) 

 Mustela arizonensis (Mearns) 

 Mustela, sp. 



Mephitis occidentalis Baird 

 fFelis, probably n. sp. 

 Peromyscus manieulatus gambeli 

 (Baird) 



Neotoma cinerea occidentalis Baird 



Microtus calif omicus (Peale) 

 fThomomys microdon Sinclair 



Thomomys leueodon Merriam, C. H. 



Erethizon epixanthum Brandt 

 *Aplodontia californica fossilis Sinclair 



Citellus beecheyi douglasi (Eichardson ) 



Callospermophilus chrysodeirus (Mer- 

 riam, C. H.) 

 *Seiurus griseus fossilis Kellogg 



Sciurus douglasi albolimbatus Allen 



Sciuropterus alpinus klamathensis Mer- 

 riam, C. H. 



Castor subauratus Taylor 



Lepus washingtoni klamathensis Mer- 

 riam, C. H. 



Sylvilagus auduboni (Baird) 

 }Nothrotherium shastense Sinclair 

 }Nothrotherium, sp. 

 tMegalonyx, sp. 



Odocoileus, sp. a 



Odocoileus, sp. b 



tEuceratherium collinum Sinclair and 



Furlong 

 jPreptoceras sinclairi Furlong 

 Oreamnos, sp. 

 fEquus occidentalis Leidy 

 fElephas, sp. 



COMPARISON OF CALIFORNIA CAVE FAUNAS 



Examining- the faunas from the three eaves as given in the 

 foregoing lists we note the presence of ten distinct, or tentatively 

 determined, genera which are extinct. These are distributed in each 

 of the three deposits, as indicated in the following table : 



Potter Creek Hawver Samwel 



Extinct Genus Cave Cave Cave 



Arctotherium x 



Smilodon(?) x 



Nothrotherium x x x 



Megalonyx x x (?) x 



Mylodon x 



Camelid x 



Euceratherium x x(?) x 



Preptoceras .... x 



Platygonus( ?) x 



Mammut x x 



As is shown in the above table, Potter Creek Cave possesses 

 the greatest number of extinct genera, namely seven. Hawver Cave 



2 Partially revised list. Revision of rodents according to Louise Kellogg, 

 Pleistocene rodents of California, Univ. Calif. Publ., Bull. Dept. Geol., vol. 7, 

 pp. 151-168, 1912. 



