204 Wortman — New American Species of Amphicyon. 



I give the following principal measurements : 



mm. 



Length of superior tooth series including canine 134 



Antero-posterior diameter of canine at base _ 24 



Length of true molar series 46 



Transverse diameter of first superior molar 27 



Antero-posterior diameter of superior sectorial 27 



Width of palate at first molar including crowns 98 



My best thanks are due to Prof. C. E. Beecher, Curator of 

 the Geological Department of the Museum, for the opportunity 

 of making the necessary studies and publishing the above 

 results. 



New Haven, Conn., Jan. 25. 



