Perdicin^;.] 



OSTEOLOGIA AVIUM. 



[Odontophorin^. 



Sternum similar, but with the splints enclosing the outer fissure on each side longer, 

 and much more expanded at their tips. 



Pelvis with the central channel at junction of the ilium with the vertebrae not 

 nearly so deep as in Perdicc. 



Metatarsi with the calcineal ridge very prominent, armed with a spur; the 

 supplementary metatarsal bone similar to the Columbidce. 



Kemaining bones as in Perdix. 



Measurements. 



Tenths. 



Length of humerus . .... 26 



Length of ulna 24 



Length of metacarpus 12 



Length of femur ...... 29 



Length of tibia 39 



Length of metatarsus 25 



Length of sternum ...... 30 



Tenths, 

 Breadth of posterior margin of sternum 1 1 

 Breadth of anterior margin of sternum 1 



Depth of keel 9 



Length of head 16 



Breadth of head 11 



Length of pelvis 37 



Breadth of pelvis 15 



Francolinus, Steph. 



Ponticerianus, Gm. 

 The bones are precisely similar to the foregoing, but smaller. 



Measurements. 



Tenths. 



Length of humerus 16 



Length of ulna 16 



Length of metacarpus .... 9 



Length of femur 15 J 



Length of tibia 27 



Length of metatarsus 17 



Length of sternum 24 



Tenths. 



Breadth of posterior margin of sternum 10 

 Breadth of anterior margin of sternum 6 



Depth of keel 8 



Length of head , . 19 



Breadth of head 8 



Length of pelvis 24 



Breadth of pelvis . . . . . . 10 



Callipepla, Wagl. 



Californica, Lath. 



Pelvis similar to Francolinus ; in other respects it does not differ from Perdix^ 

 except measurements, 



2 b 165 



