PUBOFEMORAL REGION. 137 



muscles. The arrangement of tail muscles in a four-footed 



symph. 



sacrum 



isehio-eoccygeus 

 ilio-coccygeus 

 puho-coccygeus 

 retractor ani 



tail 



Pig. 109.— The pelvic-caudal Muscles of a Monkey. 



obt. fascia^ 

 ilio-coccyg. 



Symph. 



;\ (remnants of or/'g. 

 ^%.of ilio-coccygeus 



ischio-coccygeus 

 coccyx. 



mo-coccyg. lig. 



^central point 

 pubo-coccygeus 



Fia. 110.— The corresponding Muscles of Man. 



mammal, such as the monkey or dog, is shown in Fig. 109, and 

 the modification of this form in man in Fig. 110. In mammals 



