374 CHORDATA. 
Fig. 267.—Lzrr Lec or THE Picron. (Ad nat.) 
Femur. Head. 
Trochanter. 
Tibiotarsus, 
II. 
Fig. 268.—LaTERAL VIEW OF PELVIS OF THE PIGEON, (Ad nat.) 
(Slightly magnified. ) 
Ischiatic Foramen. 
Tlium. 
Acetabulum. Ischium. 
The pelvis has a long cium which, as already seen, is 
attached to a large number of vertebrae. The round 
acetabular cavity, which is incompletely ossified, is about 
