70 THE GENERA. 



Afuila—tarsvis feathered to toes ; 27 remiges. 178, 179. 

 Archibuteo — tarsus featherless at back ; 24 remiges. 177. 

 Tarsus scutellate in front, reticulate at back ; fifth primary 



longest. 

 Haliaetus — white tail ; 27 remiges. 180. 

 Tarsus reticulate back and front ; first primary longer 



than secondaries. 

 /Vr/iTO— legs with breeches ; outer toe not reversible ; bill 



deeply notched. 189-197. 

 Pandion — legs without breeches ; outer toe reversible ; bill 



faintly notched. 198. 

 Tarsus scutellate back and front ; first primary short. 

 .g«/£0— fourth primary longest ; first four primaries notched ; 



wings long. 176. 

 OrcKJ— third and fourth primaries longest ; wings long ; 



head with a ruflf. 173-175. 

 Acdpiter — fourth and fifth primaries longest ; wings short. 



181-183. 



FringillinA (Plates vii. viii.) 

 Mandibles crossed. 

 Loxia — 105-108. 

 Upper mandible overhanging. 



Pyrrhula — 102-104. 

 Upper mandible rather larger than lower. 

 Passer — tail square. 93, 94. 

 Seriniis-\.?A forked. 89, 90. 

 Mandibles nearly equal. 

 Tail square. 

 Coccothraustes — primaries hooked at the tip. 92. 



Tail forked. 

 Ligurinus — second, third and fourth primaries equal, gi. 

 Carduelis — second primary longer than third, and longest in 



wing. 87, 88. 

 Fringilla — second primary shorter than third, which, or the 



fourth, is the longest in the wing. 95, g6. 

 Linota — second and third primaries nearly equal, and the longest 

 feathers in the wing. 97-101. 



Glareolid^. (Plate xxv.) 

 Glareola — 291. 



Gruid^. (Plate xxv.) 

 Grus — 285, 286. 



HiRUNDININiE. (Plate vi.) 

 Hirundo — 81-84, 



IBIDID^. (Plate xviii.) 

 Ibis — 2 1 5. 



IcteriNjE, (Plate ix.) 

 Agelaus — 119, 



LANllNit, (Plate vL; 

 Lanius — 73-76, 



