University of California Publications in Geology [Vol. 9 



Comparative Measurements 



Type T. 

 No. 19767 kelloggi 



M. 1} anteroposterior diameter of heel on inner side, 4.3 mm. 4.1 



M,, greatest transverse diameter of heel 6.5 7. 



Fig. 1. Tephrocyon Icelloggi Merriam. M, and M 2 of type specimen, 

 X 1%. Virgin Valley beds, Virgin Valley, Nevada. 



Figs. 2a and 2b. Tephrocyon, near Icellocigi Merriam. M„ X 1M>. Cedar 

 Mountain beds, Stewart Valley, Nevada. Fig. 2a, lateral view of Mjj fig. 2b, 

 superior view of heel with protoeonid and metaconid of M^ 



Fig. 3. Metacarpal III, possibly canid. No. 22289, X Vi- Cedar Mountain 

 beds, Stewart Valley, Nevada. 



Fig. 4. Aelurodon or Tephrocyon, sp. Portion of mandible with broken 

 carnassial, no. 19782, X Vj- Cedar Mountain beds, twenty-eight miles northeast 

 of Mina, Nevada. 



Fig. 5. Mustelid?, indet. Portion of mandible, no. 19781, X %. Cedar 

 Mountain beds, Stewart Valley, Nevada. 



CANID, AELURODON?, sp. 



A portion of the mandible, no. 19782, (fig-. 4). of a large canid 

 represents a form near Aelurodon, or Tephrocyon. Of the Great Basin 

 forms the species seems nearest to an Aelurodon from the Ricardo 

 fauna. 



CANID, sp. 



Several astragali (no. 19780) represent a small canid. 



