T05T. TIB. ART 

 GA5TR0CNEM.LW"- 



PLANTA'RIS 

 FLEX. H^L LONG, 



HAMSTRING. f^USCLES■ 



TLE.X. D>&. LONG,. 

 TIBIALIS TOST. 



&ASTY\OCNE^. fAED 



POPLITEUS 



GASTHOCNEI^. 

 POPL\TEUS 



TIBIALIS POST. 

 -FLEX.,Dl&. LONG, 

 -FLEX. HAL LONG-. 





\y 





PLANTARIS 



Figure 45. Posterior view of the leg musculature of the seal {Phoca, left), and 

 sea-lion (Zalophus, right). 



[278] 



