MEM01KS OF THE NATIONAL ACADEMY OF SCIENCES. 



247 



TABLE XVII. Ordination of mixed indices. Salado. 



TABLE XVIII. Ordination of 29 nnglcx of Daubenton. Salado. 



Variation, 18 30 . 

 Average, 13 30 



Theoretical mean, 13 4;V. Skulls nearest to mean, II. 19 and H. 40. 



