1903.] 



THE MUSCLES OF THE UNGULATA. 



265 



our specimen of Hyrax (75) (see text-fig. 24), and in that of 

 George (77), but we think that the other authors have included 

 the femoro-coccygeus in their descriptions. In the Elephantidse, 

 Miall and Greenwood (XXIX.) notice a strong attachment to 

 the middle fifth of the femur, and this is confirmed by Paterson 

 and Dun. We are therefore able to generalise by saying that 



Text-fiff. 24. 



Muscles of outer side of Thigh of Hyrax. 



T.F.F. Tensor fasciae femoris. 

 E.G. Ectogluteus. 

 A.C. Agitator caudae (femoro- 

 coccj-geus). 



Bi. Biceps. 

 S.T. Semitendinosus. 

 S.M. Semimembranosus. 



in the Artiodactyla and the Procaviidse the ectogluteus is inserted 

 into fascia only, while in the Perissodactyla and the Elephantidse 

 there is a definite femoral insertion. The nerve-supply in the 

 Antelope, Sheep, and Pig is fi'om a definite inferior gluteal nerve 



