Mi;.M(Mi;S (»!• TIIK NATIONAI, A<'A1)I:MY i)V S("IHN("ICS. 253 



Tahlk XX.WI. — Onliiititiini ii/:i:> t/iititliir in<li<<s. — Snliido. 



Variation, 21. .W. Tlieoietical nit'aii, 00.44. Skull nearest mean, H. 11. Average, 95.92. 

 Skulls -11. 7. II. 1.5, H. IS, II. 10, II.L'.I, 11.25, H.34, 11.40, U. 44, aud 11. 57 (10 in all) are 

 apparently normal. Their avcrajje index is 04.10. 



Taule XXX VII. — Seriation of 31) gnathic iiidiccn. — Stdado. 



Maxinui!u of frequency, 94. 



Taule XXXVIU. — Siriatinn of 37 gnathic indices {aberrant figures excluded). — Saladn. 



Variation, 1.5.; 



in,0.').42. Skull nearest mean, II. (!. .Average, 05.20. 



