372 University of California Publications in Geology [Vol. 7 



Aelurodon than the species now available. Some of the frag- 

 mentary specimens to which reference has been made above show 

 characters verging close to Ganis. 



Bear-like characters, such as are seen especially in M x and 

 M 2 of Tephrocyon kelloggi, are not considered as indicating that 

 this group is ancestral to any division of the Ursiclae. T. kelloggi 

 may. however, lead to a very specialized side branch of the 

 Caninae. 



Transmitted June 28, 1913. 



