PLAGIODONTIA, 395 
Plagiodontia F. Cuv., Ann. Scien. Nat., 2me Sér., v1, 1836, p. 347, 
Zool. Type Plagiodontia aedium F. Cuvier. 
Skull broad; nasals broad, truncate posteriorly; infraorbita 
foramina very large, round; superior outline descending from parieta 
to end of SAS: 1 to occiput somata moderately heavy, juga 
broad, extended; thumb rudimentary with a flat nail; the four fingers 
with slender curved claws; toes larger, with strong compresse 
curved claws; the middle and two outer toes longest and nearly 
equal. Teeth without roots, diminishing in upper row from last 
] 
I 
molar to premolar, which is smallest; each tooth has two oblique 
loops horizontal to the jaw, one internal and one external, parallel 
to each other Lowe olars ne ual e, the premolar 
FiG. 75. PLAGIODONTIA AEDIUM. 
ex Ann. Scien. Nat., Paris, 1836. Plate 17, nat. size. 
