Kathleen V. 
Ryley and Julia Bell 
441 
Nasal Bridge in the Chimpanzee. 
13 3 
29-1 
26-0 
18-4 
25-6 
7-8 
10-0 
22-5 
2V6 
17-8 
143 
69 
37-5 
10-0 
20-3 
20-7 
23-8 
28-6 
22-0 
27-1 
12-5 
23-4 
Royal College of Surgeons 
Un 
Nat 
'ersity College, Zoology 
iral History Museum 
Dep 
irtme 
bridge Anthropological Laboratory 
X'ambridge Zoological Laboratory 
Dr Duckworth ... 
Oxford Museum ... 
Adolescent. Sutures clear 
Sutures clear. A wide nose with abnormal nasal bones 
Nearly adult. Sutures clear. Nasal bones narrow 
Two sutures clear but the third suture quite obliterated 
Sutures obliterated 
Sutures very vague 
Sutures very vague. Split skull 
Sutures fairly clear 
Sutures very vague 
Sutures quite obliterated. Measurements uncertain owing to 
the position of the skull, which is attached to the skeleton 
in an exhibition case 
Sutures obliterated. Measurements uncertain owing to the 
position of the skull, which is attached to the skeleton 
Aged [in an exhibition case 
Sutures very vague 
Young adult. Sutures clear 
Two of the sutures clear 
Sutures clear 
Sutures obliterated. A large skull with very broad nose 
Sutures clear 
Sutures clear 
Young. Three molars erupting. Sutures clear 
Sutures fairly clear 
Sutures obliterated 
Sutures obliterated 
Sutures obliterated 
Sutures rather vague 
Sutures obliterated 
Young. Third molar erupted 
Sutures obliterated 
Aged. Sutures obliterated 
Aged. Sutures obliterated 
Aged. Sutures obliterated 
Aged. Sutures rather vague 
Sutures obliterated 
Sutures vague 
Sutures clear 
Sutures vague 
Sutures obliterated 
Sutures obliterated 
Sutures obliterated 
Young. Third molar erupting. 
Young. Third molar erupting. 
Sutures obliterated 
Young. Third molar erupting. 
from statistical reductions owing to incomplete develop- 
Aged. Sutures obliterated [merit 
Young adult. Sutures clear 
Sutures obliterated 
Sutures obliterated 
Sutures clear 
Young. Third molar and canines erupting 
Fronto-maxillary suture obliterated 
Sutures clear 
Sutures obliterated 
Sutures clear 
Very broad nasal bones and 
[narrow maxillary 
Sutures obliterated. Omitted 
