396 KANSAS UNIVERSITY SCIENCE BULLETIN. 
MEASUREMENTS OF THE TWO SKULLS. 
Lenawee county, Boicourt, 
Michigan, skull. Linn county, skull. 
mm. mm. 
Greatest length irom tip of nasals to occipital condyle. . . 270 Boor 
INasals spreatesh Meno tie erly etc alketetet one retela(elaieer tate rebels 93 110 
Nasals, greatest width... c e 3 53 62 
Hrontalss jpreatest lengths ci. «<= mle» sleleleinl=|*lelete i == <t=)= 84 pao 
Frontals, width at postorbito-frontal suture........... 84 
Parietal jlengthese -ierocate tee. rae ee oc istatccrabecorecotens 133 SAS 5 
Parietal, width at point opposite squamosal 53 61 
Wii bis, IGREIN OF FGMCUs oCouccoodogononeoseooueosoS 68 76 
Grinding surface of first molar, length....... . ee 17 20 
Grinding surfaces of first molar, width....... 2 myals 16 19 
Grinding surface of last molar....................-- 20 20 
Incisor, lateral diameter at level of alveolus.........-.- 24 28 
Incisor, transverse diameter 21 25 
Occiput, transverse diameter 149 
Occiput, vertical diameter................ 67 Anas 33 
Depth of skull, level of molars to frontal boss 110 120 
Length of diastema between incisor and first molar... .. 110 140 
