260 MEMOIllS OF THE NATIONAL ACADEMY OF SCIENCES. 



Table LVI. — Angle of torsion of humerus. — Ordination accordivf/ to left humerus. — Salado. 



Average of 20 left bumeri=159° 30'. 



Table LVII. — 3Iean angles of torsion of pairs of humeri. — Salado. 



Average mean angle of 15 pairs=158o 47'. 



Average variation between right and left humeru.'?, 0° 6'. 



Table LVIII. — Torsion of the humerus unth regard to sex. — Salado, 



150 00 



161 30 



166 00 



168 30 



Aervagi 



Total average of males, 162° 22'. 

 Total average of females, 157° 30'. 



