ANTHROPOID CHARACTERISTICS 
center. The skull is thick, ridged along the crest, and unites 
into a solid globe much earlier than do the skulls of our own 
infants, putting an end much sooner to the possible expansion 
of the brain. The forehead is sloping, the jaws are very massive 
and protruding, and the 32 teeth are large, the canines becom- 
ing formidable tusks in old males. Bony ridges over the eyes 
give a frowning expression, especially to the gorilla. The 
brain is much smaller than that of man, where it is never less 
than 55 cubic inches, while in the chimpanzee it is, on the 
average, 274 cubic inches, in the gorilla 35 inches, in the orang- 
utan 26, and in the gibbons far less. 
The chimpanzees are the best known, having been exhibited 
alive in Europe at least as early as 1641. Previously to that 
Chimpan- Narratives of travelers to the Guinea coast, where 
ano the Portuguese already had trading stations, had con- 
tained a fair account 
of these ‘‘men of the 
woods,” published 
in such books as 
“Kingdom of 
Congo” (Frankfort, 
1598) and ‘‘ Purchas 
His Pilgrimes”’ 
(London, 2d ed., 
1625). Since then 
books relating to 
equatorial Africa 
have abounded with 
stories about them, |- 
but much has been Copyright, N.Y. Zo#l Society. Sanborn, Phot. 
hearsay, or vague YounGc CHIMPANZEE “ POLLY.” 
and _— exaggerated. 
Many young chimpanzees, however, have been kept captive 
and some of them closely studied, so that we are fairly ac- 
Il 
