82 The Alligator and Its Allies 
scapula. The coracoid is a flattened bone, wide 
at either end and narrow in the middle, so that in 
a dorsal view it is shaped like an hourglass. It 
is decidedly curved, with the convex side down. 
Its outer edge ar- 
ticulates with the 
scapula and is 
thickened to form 
the anterior border 
of the glenoid cav- 
ity. Its median 
end is attached to 
the sternum. Near 
its scapular articu- 
lation there is a 
well-marked fora- 
men that passes 
entirely through 
the bone. The 
episternum (e) or 
Fic. 27. PECTORAL GIRDLE AND interclavicle was 
ANTERIOR Lima. 7 . 
c, coracoid; ce, centrale; cl, claw; e, episternum; described - fo 
i ae ee ee eevee with the 
hci sternum and ribs. 
There is no clavicle nor other coracoid elements. 
The anterior limb consists of the usual parts,— 
the upper arm, forearm, and manus. The hu- 
merus (Fig. 27, h) is rather thick in proportion to 
its length; it has an elongated articular surface at 
its proximal end for articulation with the glenoid 
