428 A Study of the Nasal Bridge in the Anthropoid Apes 
TYPES OF THE NASAL BRIDGE. 
12 1 bis 2 bis 
Dog. Nasal Bridge. Dog. Muzzle Section. 
1 — 2 bu= Hypersimotic Platygephyrosis. 
3 4 5 
Chimpanzee. Chimpanzee. Symphalangy. 
6 7 8 9 
Congo Negroes. Gaboon Negroes. 
3 — 9 = Simotie Platygephyrosis. 
13 14 
Gorilla. Goiilla. 
13 — 14 = Stenotic Platygephyrosis. 
It has not always been possible to select a nasal bridge with the mean values of both 0 and <p', and the 
typical form will hardly be realised even from two or three cases. 
