FaLCONIDjE..] 



OSTEOLOGIA AVIUM. 



[Falconing. 



Measurements. 



Tenths. 



Length of humerus ...... 31 



Length of ulna . 33 



Length of radius ....... 32 



Length of metacarpus 17 



Length of femur . ... ... 



Length of tibia 35 



Length of metatarsus 23 



Length of sternum 



Tenths. 

 Breadth of posterior margin of sternum 

 Breadth of anterior margin of sternum 



Depth of keel 



Length of head 26 



Breadth of head 18 



Length of pelvis 



Breadth of pelvis 



Tinnunculus, Vieill 



Alaudarius, Linn. 

 In every respect resembling Falco, except in measurements and proportions. 



Measurements. 



Tenths. 



Length of humerus 21 



Length of ulna 24 



Length of radius 22 



Length of metacarpus 23 J 



Length of femur 19 



Length of tibia 26 



Length of metatarsus 16 



Length of sternum 18^ 



Tenths. 

 Breadth of posterior margin of sternum 12 

 Breadth of anterior margin of sternum 1 



Depth of keel 5^ 



Length of head .20 



Breadth of head 11^ 



Length of pelvis 20 



Breadth of pelvis 10^ 



Tinnunculus, Vieill. 



Sparverius, Linn. 

 The bones I have of this bird were obtained from a skin, and do not differ from those 

 of Tinnunculus alaudarius except in size. 



Tinnunculus, Vieill 



Chickera, Shaw. 

 Also typical. 



Ieracidea, Gould. 



Berigora, Vig. & Horsf. 

 Very similar to Tinnunculus, but larger and more powerful, the palatine bones covering 



