BULLfiTIN 



or THE 



SouiHern Galilornia flcadeiiiy ol Sciences 



VOL 2. LOS ANGELES, OM., NOV. I, 1903. NO 5 



PREHISTORIC CALIFORNIA. 



(Continued from October Bulletin.) 



BY DR. LORENZO GORDIN YATES. -'-.ula 



"A] 



PREHISTORIC FAUNA OF CALIFORNIA. 



EXPLANATION OF PLATK IX. 



(From "Contributions to the Extinct Vertebrate Fauna 

 of the "Western Territories," by Professor Joseph Leidy.) 



Figs. 1-2. Mastodon obscurus, Leidy : 



Last lower molar of the left side, natural size, Specimen 



discovered by Dr. Lorenzo G. Yates, in Contra Costa 



County, California, and now in the INIuseum of Amherst 



College, Massachusetts. 



Fig:. 1. VicAv of the triturating surface. 



Fig. 2. Outer view of the same specimen. 



TERTIARY AND QUATERNARY MAMMALS. 



Tig'er — Prof. Joseph Leidy in his ' ' Contributions to the Ex- 

 tinct Vertebrate Fauna of the Western Territories," (which 

 forms the first volume of the Final Reports of the United 

 States Geological Survey of the Territories, under F. V. 

 Haj^den), says: "Among a collection of fossils belonging to 

 the cabinet of Wabash College, Crawfordsville, Indiana, pur- 

 chased from Dr. Lorenzo G. Yates, there are several which 

 were kindly loaned to me for investigation. The specimens 

 consist of jaw-fragments of a large wolf and tiger." The fos- 

 sils are not petrified, and indeed have undergone almost no al- 

 teration, and are probably quaternary. He names the species 

 of tiger Felis imperialis, and further says : ' ' The specimen in- 

 dicates a species as large as the largest living Bengal Tiger, 

 and, indeed, is slightly larger than the corresponding part of 

 the largest specimen of a skull among many in the Academy 

 Museum of Philadelphia." The comparative measurements of 

 the fossil as compared with the Bengal tiger from Hindostan 

 are given, showing the larger size of the fossil specimen. 



