190 



Annals of the Carnegie Museum. 



ing ramus of the pubis is very short, and the ventral border is deeply 

 grooved, while near the anterior border is a heavy and rugose 

 tuberosity. The horizontal ramus is broad, completely coalesced with 

 its fellow in the median line, forming a rough and transversely broad 

 ridge on the ventral face, which terminates in tubercles in front and 

 behind. The obturator foramen is large and ovate in outline. 



Fig. 30. Ventral view of sacrum and pelvis of Promerycochxrus carrikeri. 

 No. 1081; \ nat. size. 



The Femur (Fig. 31). — The differences between the femur of P. car- 

 rikeri and that of P. montamis, described by Professor Scott, are slight. 

 The second trochanter, which is equally developed in Merycoidodon 

 and Mesoreodon, is evidently larger in proportion than that of P. 



