1905. | CLAVICLE OF DIPLODOCUS. 291 
there are several points to be brought forward against the theory 
of its clavicular nature. 
Firstly, it must be remembered that in one case this problematical 
bone, like the greater part of the skeleton, was displaced and that 
in the second skeleton, as pomted out by Dr. Holland, the femur 
In consequence of 
bears tooth- marks of carnivorous Dinosaurs. 
this the relative position of the bone cannot prove anything for 
or against its being an os penis; for the penis would be one of the 
first parts of the body to become displaced by decomposition and 
the first part that would be torn away if carnivorous animals 
were gnawing at the dead body. 
Text-fig, 48. 
"Ny, ca 
NUM 
COMM ag 
Hutte 
Wi] 
Diagram of penis of Struthio. 
Explanation of letters :—c.c., corpus cavernosuin; ¢.f., corpus fibrosum ; c.sk., coarse 
skin; g., gutter; gl., glans-like part; im., muscles. 
comprised this bone, only one example was present, and this one 
In other 
appeared to belong to the same side of the body. 
Secondly, in each of the two pretty complete skeletons that 
specimens of Diplodocus the element was altogether wanting, 
