28 



PLEISTOCENE MAMMALIA. 



the acetabulum the ilium is much contracted. There is a long symphysis including 

 a considerable part of the ischium, which is long and expanded posteriorly. The 



Fig. 12. — Pelvis and sacrum. A seen from above; B seen from below. $ natural size. From 

 Barrington and preserved in the Sedgwick Museum, Cambridge, a, acetabulum; b, obturator foramen; 

 e, -luteal surface of ilium ; d, iliac surface cf ilium ; e, ischial tuberosity ; /, pubic symphysis, g, ischial 

 symphysis; h, foramen for exit of spinal nerve. 



ischial tuberosities are not so prominent as in ruminants. The obturator (thyroid) 

 foramen is large and regularly oval, not nearly circular as in Rhinoceros. 



