CHORDATA. 

 FIG. 159. 



3 2 9 



lL~f- 



k. 



it.- 



el. 



---u,. 



k.n. fT 



t 



I a -OQ-O- T I 



L l ct --/S"QQ xv dt*" 



S:3fe-!rf 



\V 



5 



FIG. 159. Diagrams of the girdles and appendages in a typical Vertebrate. A, 

 anterior; B, posterior, ac., acetabulum, articulation of the humerus with its girdle; 

 c, coracoid; ca., carpals; ce., centralia; d.c., distal carpals; d.t., distal tarsals; el., 

 elbow joint; f, fibula; fe., femur; fi., fibulare; g.c., glenoid cavity, articulation of arm 

 with girdle; h, humerus; il., ilium; in., intermediale; is., ischium; kn., knee joint; m.c., 

 metacarpals (1-5); m.t., metatarsals (1-5); p, pubis; ph., phalanges (1-5); pr.c., pre- 

 coracoid; r, radius; ra., radiale; sc., scapula; t, tibia; fa., tarsals; ti., tibiale; li., 

 ulna; /., ulnare. 



