MKMOIKS OF rilK NATIONAL ACADliMV OF S( I KN< 'HS. 24;") 



Variation. i;i..V.t. Tlu-oriMica! meaner variation. s:..7(;. SUiiil iii-aicsi to mran. 1 1. 1'.l. Average. 



K'iraiit in sizcand (onii (sec § 11), with 



S;J.S7. 



II. 28, a cliihl's skull, with index of 77.70, and II. .5: 

 iudcx of !t7.2!t, aic fxtiiidi-d IVoiu the above ordination. 



Tahi.k IX. — /Striatum of 39 verticolongitudlnal iiidivvx. — Sulailo. 



Maxinnnn ot I'lciiui'my, 83; 97 to 98, one skull, not included in Uw onlination. 

 Taulk X. — itrilination of 11 vertico-longitudinal indices of apparently noniml xhidlx. — S<ilado. 



Tari-E XI. — Seriation of 11 vertieolongitudinal indices of apparently normal skulls 



Tahi.e XII. — Ordination of all the skulh in which the verticolonfjitudiiial index e.vceeds <he cephalic, 

 showing excess ill per cent of greatest length. — Salado. 



Variation, 4.00. Theoretical mean of variation, 2.95. Skulls nearest to luean, II. 0, and II. 13. 

 Skulls H. 18 and H. 23 are from the apparently normal grouj). 



Tajjle XIII. — Seriation of all the skulls in tchich the vertieolongitudinal index exceeds the cephalic, 

 showing excess in per cent of greatest length. — Salado. 



