102 



SINGING BIRDS— OSCINES. 



Family HIEUNDINID^ The Swallows. 



CiiAK. Bill very broad, short, uiid ruiieli depressed ; the uuliueu less than 

 half the eonmiissure, ■which opeus to Leueath the eye. Eictus smooth. 

 Wiugs very long, greatly exceeding the central tail feathers ; the fii'st 

 primary longest. Tarsi shorter than the lateral toes. 



Gexus HIRUNDO, LiNNjjus. 



Ilirundo, Linn.i:us, Syst. Jvat. 1735. — Gu.w, Genera, I. 1845. 



Gen. Char. Nustrils basal, small, oblong, and covered partly Ijy a membrane. 

 Tail more or less forked ; the outer lateral leather sometimes greatly lengthened. Tarsi 



H. horreorum. 



naked, shorter than the middle toe, and scutellate. Toes long, slender, the lateral ones 

 unecjual. Claws moderate, cui-ved, acute. 



H. korrcoruni. 



