372 Morton’s Crania Americana. 
as the other. The structure of his mind appears to be different 
from that of the white man, nor can the two harmonize in their 
social relations except on the most limited scale. Every one 
knows, however, that the mind expands by culture ; nor can we 
yet tell how near the Indian would approach the Caucasian after 
education had been bestowed on a single family through several 
successive generations.” p. 82. 
The following are parts of Dr. Morton’s table of ‘‘mean results,” 
given from his whole measurements. 
American 
n |Barbarous | race, em- 
s, | nations, bracing | Flathead 
is|withskulls} Toltecan | tribe of neient 
m from the and barba- Columbia peruvian 
valley of grote na river. 
hio. tions. 
sat a (e2/ g [eS] g [ea] 
Interna oem get Peg oat ea inches, 87 \82.4 |144'79.6 | 8 |79.25| 3 |73.2 
apacity of anterior cham 73, 134.5 1119133.5 | 8 132.25) 3 (25.7 
ae of posterior seinen 48.6 |119/46.2 | 8 |47.00) 3 |47.4 
pacity of coronal region, 71 |16.2 |117/15.1 | 8 |11.09) 3 [14.6 
Gapeeity o of sub-coronal region, 71 66.5 |117|64.5 | 8 (67.35! 3 158.6 
Remarks.—* The barbarous nations possess a larger brain by 
54 cubic inches, than the Toltecans; while, on the other hand, 
the Toltecans possess a greater relative capacity of the anterior 
chamber of the skull, in the proportion of 42.3 to 41.8. Again, 
the coronal region, though absolutely greater in the barbarous 
tribes, is rather larger i in proportion in the demi-civilized tribes ; 
and the facial angle is much the same in both, and may be as 
sumed, for the race, at 75 
“In conclusion, the author is oF the opinion that the facts con- 
tained in this work tend to sustain the following propositions: 
“Ist. That the American race differs essentially from all others, 
not excepting the Mongolians; nor do the feeble analogies of lan- 
guage, and the more obvious ones, in civil and religious institu- 
tions and the arts, denote any thing beyond casual or colonial 
communication with the Asiatic nations; and even those analo- 
gies may perhaps be accounted for, as Humboldt has suggested, 
in the mere coincidence arising from similar wants and impulses 
in nations inhabiting similar latitudes. 
* Dr. Morton adds that the Indians are extremely defective in comprehending 
<a. thing relating to numbers, and we may remark that Mr. Combe, in his lec- 
in New Haven, showed the great delecont of the organ of of number their 
skulls. 
