248 



MEMOIRS OF THE NATIONAL ACADEMY OF SCIENCES. 



TABKL XIX. Seriation of 29 angles of Daubenton. Salado. 



Maximum of frequency, 14. 



TABLE XX. Ordination of 29 occipital angles.- Salado. 



Variation, 21 .W. Theoretical mean, 24 15 . Skulls nearest to mean, H. 3, H. 52, H. 50 

 Average, 24 6 . 



TABLE XXI. Seriation of 29 occipital angles. Salado. 



Maximum of frequency, 20 



