100 



FALCONIDE. 



weight and dimensions, being twenty inches in entire length, 

 and eighteen ounces in weight. Her beak measures one inch 

 two lines, and from the gape one inch four lines ; the tarsus 

 three inches ; the tail-feathers nine inches six lines ; the wing, 

 from carpus to tip, fifteen inches ; and the inner and hinder 

 claws measure ten lines. 



In this species the third and fourth quill-feathers are the 

 longest, and are nearly equal in length, and the first is shorter 

 than the sixth. 



The egg No. 19 belongs to the Hen Harrier. 



