64 ELEMENTS OF MAMMALIAN ANATOMY. 



THE PELVIC LIMB. 



The pelvic or hind-limb of the cat is composed of the 

 innominate bone, femur, patella, tibia, fibula, seven tarsals, 

 five metatarsals, and twelve phalanges. 



The innominate bone is composed of four parts, the 

 ilium, ischium, pubis (Figs. 21 and 38), and the small 



FIG. 38. VENTRO LATERAL ASPECT 

 OF LEFT INNOMINATE BONE OF A 

 KITTEN. 



ct, Cot3 r loid bone ; ac, acetabulum ; 

 il, ileo-pectineal eminence ; as, 

 anterior inferior spine. (Modi- 

 fied after Jayne.} 



FIG. 39. VENTRAL ASPECT OF THE 

 INNOMINATE BONES. 



ac, Acetabulum ; ai, posterior infe- 

 rior spine ; ar, auricular surface ; 

 cr, crest; et, cotyloid notch; ip, 

 ileopectineal eminence; is, body 

 of ischium; ob, obturator fora- 

 men : pb, body of pubis ; s, spine ; 

 sm, symphysis pubis; sp, spine 

 of pubis; sr, surface of ilium 

 for attachment of spinal mus- 

 cles; tb, tuberosity of the is- 

 chium. 



cotyloid bone. The ilium is the dorsal portion, extending 

 down to and occupying about one-third of the acetabulum. 

 The ischium includes the caudal portion of the bone, extend- 

 ing ventral and forming two-thirds of the boundary of the 



