274 MEMOIKS OF THE NATIONAL ACADEMY OF SCIENCES. 



TABLK LXXIXa. Summitry showing frequency of use of the various German indicesin table LXX1X. 



TABLK LXXIXb. Facial indices of Virchow from Europeans. 



Facial 119.1 



Average of 11.0 



Upper facial 73.1 



Average of 27.0 



TABLK LXXX. Oraniometrical data according to Frankfurt agreement, computed from data quoted 



An Table LXX1X. 



TABLK LXXXI. /Special series of 101 xkulls in the, general collection of the Army Medical Museum. 



NOTE. Frequent reference is made in this work to our series of 101. This is a collection 

 of 101 adult skulls, representing 2,1 different tribes and races, which we measured exactly^on the 

 same system that the Ilemenway collection was measured, just previous to commencing the study 

 of the latter. Although it is a small series, we have found it useful for making comparisons in 

 preparing this essay. 



The composition of the series of 101 is as follows: 



