X>^ CATALOGUE 



r* 7 



L-^ ' OF 



BIRDS. 



-♦- 



Order I. ACCIPITRES. 



Bill short, strong, stout at the base, the culmen 

 strongly curved, the direction of the tip perpendicular. 

 Feet strong, armed with powerful talons of an elon- 

 gated conical shape, curved, sharp, and rather smooth. 

 Talons capable of being bent under the feet, the inner 

 one stronger than the others and more curved. 



Cf. Sundevall, Av. Tent. p. 102 (1873). 



Synopsis of Suborders. 



a. "With no facial disk ; plumage compact ; nostrils 

 generally not concealed by bristles. 



a'. Outer toe not reversible FALCONES. 



6'. Outer toe reversible PAKDIONES. 



6. "With a facial disk ; plumage soft and fluffy ; nos- 

 trils usually hidden by stiff bristles STRIGES. 



Suborder FALCONES. 



Outer toe not reversible ; toes devoid of feathers ; eyes 

 placed laterally in the head ; cere, as a rule, not hidden by 

 bristles, generally soft and fleshy, but often horny. 



Synopsis of Families. 



a. Head naked, or clothed with down ; no true 



feathers on crown of head Volturidffi, p. 2. 



6. Head covered with feathers ; trite feathers 



always present on croivn of head FalconidaB, p. 30. 



VOL. 1. t B 



