in the Classification of Birds. 1] 
the storks. It occurs in quite a large number of groups of 
Semimnembranosus. 
biceps flexor cruris, 
a 
Fig.7. Outer aspect of the right pelvic limbof the ‘* Road Runner’ (Geoco- 
ecyx californianus) showing the superficial layer of muscles, and the first view of 
the semimembranosus and semi-tendinosus, two muscles used in classification. Life 
size by the author from his own dissections. 
birds, as the Gallinw; the Ducks, Geese, and Swans; the 
