Fio, 208.— Skeleton- of Fowl. 



A~B, cervical vertebrfe ; 1, spinous process of third 

 vertebra ; 2, inferior ridge on same ; 3, styloid process ; 

 4, vertebral foramen ; B-C, dorsal vertebra ; 6, spinous 

 process of first; 7, crest formed by union of other 

 spinous processes ; B-E, coccygeal vertebras ; F, G, 

 head ; 8, interorbital septum ; 9, interorbital foramen ; 

 10, itreinaxillary bone ; 10', anterior nares ; 11, man- 

 dible ; 12, quadrate; 13, maxilla; 14, keel of sternum 

 (II)', 15, episternum ; 16, posterior lateral process ; 17, 

 oblique lateral process ; 18, membrane closing internal 

 notch; 19, membrane of external notch; 7, ribs; 20, 

 posterior process ; J, ribs ; K, scapula ; L, coracoid ; 

 M, furcula ; m, m, its branches ; N, humerus ; 0, ulna ; 

 0, radius ; P, f", carpus ; Q, Q', metacarpus ; U, first 

 phalanx of wing digits ; r, second ditto ; E', thumb ; S, 

 ilium ; 6", ischium ; S", pubes ; 21, sciatic foramen ; 22, 

 foramen obturatum ; 2\ femur ; l', patella ; V, tibia ; 

 X, fibula ; }', metatarsus ; y, intertarsus or heel-joint ; 

 23, hypotarsus ; 24, process supporting the spur ; z, 

 digits (Chauveau.) 



