AO F. Wyman on the Engé-ena. 
larger than that of the female; the smallest male skull of the 
Engé-ena measuring twenty- eight cubic inches, and the female 
only twenty-five cubic inches. 
In Table ILI, the three adults are females, and it is quite 
worthy of notice, that the internal capacity of these differs so 
little from that of the female Enge-ena, while at the same time 
the body of the Chimpanzée is so much smaller than that of the 
other species. By comparing the measurements given of the cor- 
: responding portions of the skeleton of the Engé-ena and Chim- 
panzée, it-will be seen that a much wider difference exists be- 
tween them, than exists between the dimensions of their respec- 
tive brains.* 
It is interesting to ‘contrast the measurements of the cranial 
capacity of these members of the Quadrumanous group with that 
of some of the more prominent of the human races. ‘The fol- 
lowing table which is extracted from the general summary of the 
measurements of a vast number of erania, by Dr. S. G. Morton 
of Philadelphia, gives in cubic inches the average cranial capacity 
of the different races or groups there mentioned.t 
Taste [V. 
net Largest | Smallest M M. 
Races. hes sees ed. | Capacity. | capacity. — pai 
Teutonic Race M of CAUCASIANS. 
APETTI  e5 ooh so aime m0 92 18 114 50 90 
fish, < 5 105 91 96 90 
Anglo-Americans, ........-+- 7 82 90 
Mazay Group. 
Malayan family, ...... oe 20 97 68 86 t 85 
Polynesian family, . 0.6. 0.00+ 3 84 82 83 
American Group. 
Toltecan Family. 
ruvians, 155 101 58 45 
Mexicans, 22) 92 67 19 81 
uberis ese Seep a biwees 159 104 70 87 
Negro Gro 4, 
ate Arian Family, ..: > 62 99 65 83 
S a plas Ae suL bag ce 3 83 68 45 
A parte oe EME: BS Et 8 63 45 
These results are derived from a table which Dr. Morton has 
based upou the actual measurements of over 600 skulls. The 
smallest mean capacity is that derived from the Hottentots and 
Australians, which equals only seventy-five cubic inches, w while 
that of the Teutonic races amounts to ninety cubic inches. The — 
maximum capacity of the Engé-ena, is therefore con “tralian less 
than one half of the mean of the Hottentots and Austra 
who give us the minimum average for the human races. 
* See Table of comparative measurements. Boston Journal of Natural History, 
417. 
vol. v, p. 4 
+ Catalogue of Skulls of Man and the Inferior animals i in the collection of mel 
George Morton, M.D., &c. 3d edition. Philadelphia, 18 9. 
