MYOLOGY OF THE CHEIROPTERA. 
171 
Fig. 6. Posterior shoulder-muscles of Pteromys. 
a. supraspinatus. li. 
b. occipital rhomboid. i. 
c. scapular deltoid. j. 
d. acromion deltoid. k. 
e. triceps externus. 1. 
f. triceps longus. m. 
g. dorsi epitrochlear. 
Fig. 7. Internal surface of arm-muscles of the same. 
teres major, 
latissimus dorsi. 
brachialis anticus. 
biceps. 
supinator longus. 
muscles from external condyle. 
a. pectoralis minor. 
b. subscapularis. 
c. dorsi epitrochlear. 
d. triceps longus. 
e. triceps interims. 
f coraco-brachialis longus. 
g. coracoid head of biceps. 
h. long head of biceps, 
i. coraco-brachialis brevis. 
j. insertion of great pectoral. 
