20G 



THE MYOLOGY OF THE RAVEN. 



"joins that of the gastrocnemius internus, Lehiiid the 

 tarsal joint" (Anat. of Verts., vol, ii, p. 106). 



The soleiis (Fig. 65 his) is a well-developed muscle in 

 Geococcyx calif or nianus. It arises from behind the 



Fig. 60. —The skeleton of left foot of a Raven seen from behind ; designed to 

 show origin and insertion of muscles, and drawn life-size, by the author, 

 from his own dissections. a, line of tendon of the Jlcxor pcrforatus 

 medius prh/uos pedis, b, is the line of the tendon of the flexor perfora- 

 tits annularis primiis pedis. The exact insertion of these tendons are 

 somewhat hidden by the hind claw and basal joint, and they are drawn 

 to some extent diagrammatically. 



tibia, on its inner side, and just below the marginal rim 

 of its summit. The fibres at once form a little flat 

 muscle, rather longer in shape than the fish from which 



