MEMOIRS OF THE NATIONAL ACADEMY OF SCIENCES. 



255 



TABLE XLII. Seriation of 27 angles of alpeolo-subnaisal prognathism. Salado. 



Maximum of sedation, 73. 



TABLE XLIII. Ordination of 38 orbital indices. Salado. 



Variation, 18.19. Theoretical mean of variation, 90.90. Skull nearest to mean, H. 51. Aver 

 age, 91.10. 



Among the above skulls, H. 19, H. 2(5, H. 21, H. 57, H. 7, H. 18, H. 25, II. 12, H. 40, H. 15, 

 and II. 36, eleven in all, belong to apparently normal skulls; their average index is 91.06. 



TABLE XLIV. Seriation of 38 orbital indices. Salado. 



Maximum of frequency, 94. 



