60 CLASS AVES. 



Cyp. gutturalis. Vaill. Ap. 243. f. 1. 



Brown ; throat white; lower tail coverts white edged ; 

 feet and toes feathered. South Africa. 



Cyp. Coffer. Licht. 



Sooty ; forehead and eyebrows white ; back and belly 

 black ; throat white. Africa. 



Cyp. parvus. Licht. 



Mouse coloured ; throat whitish. Tail forked ; outer 

 tail feather very long. Nubia. 



Balasian Swift. Lath. Cyp. Balasiensis. 

 Dull brown, with the outer toe versatile. India. 



The Swallows Proper. Hirundo. Cuv. 



Have the toes of the feet and the sternum arranged 

 like the majority of the passeres. 



Some have the feet clothed with feathers even to 

 the claws ; their thumb too shows a slight disposi- 

 tion to turn forwards. Their tail is forked, and of 

 moderate size. 



The TVindow Swallow. Hirundo urbica. Lin. 

 Enl. 542. 2. 



Black above, white beneath, and on the crupper. 

 Every one is acquainted with the solid nests which 

 they construct of clay in the angles of windows, 

 under the ledges of roofs, &c. 



White coloured Swift. Hir. Cayenensis. Gm. 

 PI. Eul. 752. 



Blackish violet ; head black ; eye-band and thighs 

 white. Cayenne. 



