72 DISSECILION OF THE INECK, 
b. SUPRA-SCAPULAR NERVE to muscles on the dorsal 
side of the scapula. 
c. SUB-SCAPULAR NERVE to muscles on the ventral 
side of the scapula. 
d. MuscuLo-cuTANEOuS NERVE supplies the biceps 
and may be traced finally to the elbow, where it breaks 
up into fibres distributed to the skin of the elbow and 
fore-arm. 
e. CIRCUMFLEX NERVE sends some branches to 
the teres major and the sub-scapular muscles, and then 
passes dorsally between the insertion of the teres major 
and the triceps, giving off branches to the triceps and 
the anterior deltoid muscles. 
f. MuscuLo-sprRAL NERVE passes obliquely round 
the humerus to the dorsal side to reach the radial side 
of the fore-arm,where it divides into two branches, the 
radial and posterior inter-osseus nerves. It supplies 
the muscles and skin of the back of the arm, and in 
the fore-arm is distributed to the muscles and the 
digits of the radial side. 
o, THE Mepian NERVE. 
h. THe Utnar Nerve. These two nerves arise 
together from the 8th cervical and 1st thoracic nerve ; 
they pass to the fore-arm and hand, to which they are 
distributed. 
i. A branch to the teres major and latissimus dorsi 
muscles. 
k. Tue INTERAL CuTaneous NErRvE. Besides giv- 
ing some branches to the pectoral muscles this is dis- 
tributed to the skin on the inner side of the arm. 
20. The Intrinsic Muscles of the Larnyx. 
To dissect these muscles tt 7s better to remove the 
larynx and eprglottis entirely from the body. Cut 
