ANATOMY OF BAL2ENOPTEEA EOSTEATA. 
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Eig. 3. Muscles of paddle, back view. 
A. Supraspinatus. 
B. Acromion process. 
C. Ligament of the notch. 
D. Origin of deltoid. 
E. Infraspinatus. 
E. Cartilaginous inferior angle of 
scapula. 
G. Circumflex artery and vein. 
H. Humerus. 
I. Long head of triceps. 
Fig. 4. Os hyoides. 
A. Body. 
B. Posterior cornua. 
C. Anterior notch. 
Fig. 5. Thyroid cartilage. 
A. Anterior cornua. 
B. Posterior cornua. 
C. External margin. 
J. Teres major. 
K. Latissimus dorsi, cut across. 
L. External head of triceps. 
M. Condylo-olecranon process. 
N. Ulna. 
O. Kadius. 
P. Extensor communis digitorum. 
Q. Carpus. 
R. Metacarpus. 
S. Phalanges. 
D. Articulation with great cornua. 
E. Styloid bones, or great cornua. 
F. Temporal extremities. 
H. Central notch. 
E. Anterior margin. 
Fig. 6. Skeleton of larynx, in situ , dorsal aspect. 
A. Styloid bones, rotated outwards. 
B. Articulation of styloid bones 
with the body of the os hy- 
oides. 
C. Os hyoides. 
D. Cricoid cartilage. 
E. Posterior border of thyroid 
cartilage. 
F. Crico-arytenoid articulation. 
G. Crico-thyroid articulation. 
H. Arytenoid cartilage. 
I. Transverse arytenoid ligament. 
J. Epiglottis. 
Fig. 7. Laryngeal pouch laid open, ventral aspect. 
A. Os hyoides. E. Alveolations on mucous surface 
B. Wall of laryngeal pouch. at apex of pouch. 
C. Arytenoid bodies. F. Trachea. 
D. Cavity of larynx. 
PLATE VI. 
Fig. 1. Sternum, showing its irregularly cordiform outline. 
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