PAPPOGEOMYS. 321 
Fic. 59. PAPPOGEOMYS BULLERI. 
No. 8359 Field Columbian Mus. Coll. Enlarged %. 
UPPER TOOTH ROW. LOWER TOOTH ROW. 
Enlarged 6 times Enlarged 6 times. 
Measurements. Total length, 238; tail vertebrae, 83; hind foot, 
3. 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; 
Ww 
length of single half of mandible, 25—28. 
321. albinasus (Pappogeomys), Merr., Mon. Geomyide, N. Am. 
Faun., No. 8, 1895, p. 1409. 
