MEMOIRS OF THE NATIONAL ACADEMY OF SCIENCES. 



253 



TABLE XXXVI. Ordination of 39 gnathic indices. Sa-lado. 



Variation, 21.33. Theoretical mean, 99.44. Skull nearest mean, H. 11. Average, 95.92. 

 Skulls II. 7, H.15, H. 18, H. 19, H.23, H.25, H.34, H.40, H.44, and H. 57 (10 in all) are 

 apparently normal. Their average index is 94.10. 



TABLE XXXVII. tteriation of 3!) gnathic indicex. Salado. 



Maximum of frequency, 94. 



TABLE XXXVI11. Narintion of 37 gnathic indices (aberrant figures excluded). Nuludo. 



Variation, 13.2S. Theoretical moan, 95.42. Skull nearest mean, H. (&amp;gt;. Average, 95.20. 



