158 



ANISODACTYLI. 



Family CERTHIIBJE. (Bonaparte.) 



Genus Tichodroma. (Illiger.) 



Generic Characters. — Beak very long, slightly arched, slender, 

 cylindrical, angular at its base, and depressed at its point. 

 Nostrils basal, naked, pierced horizontally, half closed by an 

 arched membrane. Feet with three toes in front, the external 

 attached at its base to the middle toe by a membrane; the 

 hind toe carrying a very long claw. Tail round, with the 

 shafts of the quills feeble. Wings with the first primary 

 short, the second and third tapering, the fourth, fifth, and 

 sixth the longest. 



WALL CEEEPEE. 



Tichodroma muraria. 



Tichodroma muraria, Illiger. 



alpina, Koch. 



phoenicoptera, Temminck. 



CertJiia muraria, Gmelin. 



TicJiodrome echelette, Of the French. 



Gemeiner Mauerlaitfer, Of the Germans. 



Picchio murajolo, Savi. 



Specific Characters. — Two round spots on the inner web of the 

 first four true primaries, and one upon the fifth; the basal half 

 of all the true primaries, except the first, and of the secondaries 



