PAPPOGEOMYS. 



3-J1 



FIG. 59. PAPPOGEOMYS BULLERI. 



No. 835Q Field Columbian Mus. Coll. Enlarged J*. 



UPPER TOOTH ROW. LOWER TOOTH ROW. 



Enlarged 6 times Enlarged 6 times. 



Measurements. Total length, 238; tail vertebrae, 83; hind foot, 

 33. Skull: basal length, 35-38; Hensel, 32-35; zygomatic width, 

 23-25.5; interorbital width, 7-8; length of upper molar series, 8.5-9; 

 length of single half of mandible, 25-28. 



321. albinasus (Pappogeomys) , Merr., Mon. Geomyidas, N. Am. 

 Faun., No. 8, 1895, p. 149. 



