68 



THE MUSCLES. 



(m. xipJio-adscajmlaire, Dug-ès, n, 62), arises £i'om the posterior 

 border of the scapula by a thin tendon^ and becomes broader as it 



Fisr. 62. 



Muscles of the chest, throat, and belly of Rana escnlenta. 



ch M. coraoo-hiimeralis. 



d M. deltoideiis. 



oi M. obliquus abdom. internivs. 



oe M. obliq. abdom. externus. 



oe' Scapular portion of same. 



oh M. omohyoideus. 



p' Port, sternalis anterior of ni. pectoralis. 



p" Port, sternalis posterior of same. 



//" Port. alxloniin;ilis of same. 



)• M. rectus abdominis. 



»•' Inner portion of same. 



sh M. sternohyoideus. 



sm M. submaxillaris. 

 sm' Hyoid origin of same. 



sr M. sternoradialis. 



runs downwards and backwards, to join the anterior border o£ the 

 other and larger portion. 



