BIFASCIATED LARK. 10* 



GRANIVOR^. 



Family ALAUDID2E. (Bonaparte.) 



Genus Alauda. (Linnceus.) 



Generic Characters. — Beak sub-conic, mandibles of equal length, the upper 

 one convex, and more or less curved or straight. Nostrils basal, ovoid, 

 covered by small feathers directly forwards. Feet: three toes in front, one 

 behind, the middle joined at its base, with exterior claw of hinder toe, 

 straight, or nearly so, and generally longer than the toe. Wings : first quill 

 obsolete, or nearly so, the second shorter than the third, which is the 

 longest; two of the secondaries as long as the primaries. Feathers of the 

 head more or less elongated, and capable of erection. 



Section I. — Larks with arched beaks. 



Genus Certhilauda. fSwainson.J 



Beak as long or longer than head, slightly arched. 



BIFASCIATED LAEK. 



Alauda bifasciata. 



Alauda bifasciata, Lichtenstein; Cat., 1823, p. 27. 



" " Temminck; Man., 1835. 



" " Schinz. Schlegel. Degland. 



Certhilauda bifasciata, Bonaparte, 1838. 



Alcemon desertorum, Stanley. Keyserling & Blasius, 1840. 



Alouette double-bande, Of the French. 



Zweibindige Lerche, Of the Germans. 



Specific Characters. — The false primary about one third the length of the 

 first, which is shorter than the fourth. The two longest of the greater 

 wing coverts very nearly as long as the fifth primary. Tail long, with the 

 outer web of the most lateral quills white; posterior claw as long as the 



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