MEMOIK8 OF THE NATIONAL ACADEMY OF SCIENCES. 



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TABLE XXX VI. Ordination of 39 gnathic indices. Salado. 



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

 Skulls H. 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. Seriation of 39 gnathic indices. Salado. 



Maximum of frequency, 94. 



TABLE XXXVI11. tieriation of 37 gnathic indices (aberrant figures excluded). tialado. 



Variation, 13.28. Theoretical mean, 95.42. Skull nearest mean, H. 6. Average, 95.20. 



