246 PHILOSOPHY OF ZOOLOGY. 



climbers, and run up and down trees and walls with facili- 

 ty- 

 Mandibles serrated. 



115. Ctnxyris. Tongue long forked. Certhia splen- 

 dida. 



Mandibles plain. 



Mandibles depressed at the face. Do not use the tail 

 in climbing. 



116. Trichoderma. Bill triangular, long. Certhia 

 muraria. 



117. DECiEUM. Bill enlarged at the base. Certhia ery- 

 threynotos. 



Mandibles subulate. 



Use the tail in climbing, indicated by the feathers being 

 worn at the points. 



118. Certhia. Creeper. C.Jhmiliaris. 



119. Dendrocaleptes. Body larger, and bill broader 

 than the preceding. Graculus scandcns. 



Tail not used in climbing. 



120. Vestiaria. Bill bent, nearly seniicircularly. Cer- 

 thia vestiaria. 



121. Nectarina. Bill slightly bent. Certhia eijanea. 

 (2.) Claws of the ordinary size. 



Feet short. Tongue filiform, and divided at the end. 

 Plumage of metallic brilliancy. 



122. Trociiilus. Humming bird. This is an extensive 

 genus, subdivided into those species Avhich have curved 

 bills, and those which have straight ones. 



Feet of the ordinary size. 



Tail very long. 



123. Promeuops. Tongue filiform, and divided at the 

 end. Mepros cqfer. 



