594 TRANSACTIONS OF THE CANADIAN INSTITUTE. [VoL. Ml. 
Fic. 7.—Dissection of the interossei muscles of the hand in the Orang Outang, viewed . 
from the dorsal aspect. 
Ut. 1, Ved. 2, V.%. 3, palmar interossei, d.z. 1, d.2. 2, @.2. 3, d.2. 4, dorsal interossei. 
PLATE VI. 
Fic 8.-—Dissection of the gluteal region, and the back and outer side of thigh in the 
Orang Outang. 
2.max., gluteus maximus ; g.#ed., gluteus medius ; g.mzz., gluteus minimus ; 
£5.04, great sciatic nerve; g.tvoch., great trochanter of the femur; 4.m., 
hamstring muscles; 26., iliac bone ; 2/., iliacus ; 7s., ischial spine; 00.é., 
obturator externus ; 04.2., obturator internus ; Ay.7., pyriformis ; 7.f., quad- 
ratus femoris; vec¢t., rectus femoris; scaz., scansorius; v.z., vastus 
externus. 
