258 MEMOIRS OF THE CARNEGIE MUSEUM 
very kindly made for me a model, reversing the curvature so as to adapt this model 
for use upon the left side of the skeleton. The reproductions, one on the right 
side, the other on the left, were then placed in position by me, functioning as clay- 
icles, the bifid extremity being located at the point of the symphysis of the coracoid 
with the scapula, at which point there is some evidence in all the specimens which 
we have found of provision for ligamentary or possibly osseous attachments. The 
broad, somewhat expanded distal extremities of the bones, as fitted into the skeleton, 
were found to adapt themselves very well to the back of the sternal plates, and the 
shallow groove running obliquely across the anterior surface of the bones seemed to 
adapt itself almost perfectly to the upper margin of the sternal plates as placed. Of 
all the supposable positions in which this bone might be put so as to function asa 
——~ 
Fic. 26. Lateral view of the sternal plates and supposed clavicles as provisionally placed by the author in the 
pectoral region of the restored skeleton at the British Museum. The so-called clavicles were taken down and laid aside 
by the author. 
