CERTIIIAD.E — CERTinA. 



57 



Genus CERTHIA, Lixx.eus. 



Certhia, LiNN.Ens, Syst. Nat. 1735 (Gray). (Type, C.Jhmiliaris.) 



Gen. Ch.\r. Bill as long as the head, slemler, much compressed and deciuTcd from 

 the base ; without notch or rictal bristles. Tarsi distinctly scutellate, very short, not longer 



C. Americana. 



than the outer lateral toe, which mur'Ii exceeils the inner, reaching nearly as far as the 

 middle toe. Hind toe longer than the middle one ; its claw more than half the total lenn-th. 

 Claws all very long and acute. Tail rather longer than the wings, arched or vaulted. 



C. Amerirnnn. 



graduated or ouneate; the feathers very acute at the tips, the shafts stiffened- First pri- 

 mary rather more than one third the fourth or longest one. Color above brown, streaked 

 with white ; beneath, white. 



