203 



rican species T. crotopezus, Licht. (T. albicollia, Spix). The under 

 surfaces of these two birds are very nearly alike — Turdus assi- 

 milis showing only rather a larger white patch on the neck and 

 deeper cinereous breast ; but above T. crotopezus is of a rich umber- 

 brown colouring, and the tail of a bluish-grey ; whereas in the Mexican 

 species the whole upper surface is of a paler and more cinereous 

 brown. I have seen examples of this bird also from Orizaba and 

 Puente Nacional in Mexico and from Guatimala. 



19. Malacocichla mexicana, Bp. Compt. Rend. t. xliii. Nov. 

 1846. 



Jalapa. 



20. Thamnophilus melantjrus, Gould, P. Z. S. 1855, p. 69. 

 pi. 83. 



Santecomapam. 



I have already recorded the appearance of this species in Chiriqui 

 (P. Z. S. 1856, p. 142); but I was not prepared to find it so far 

 north. 



21. Todirostrum cinereum (Linn.), antea, p. 83. 

 Tlacotalpam, March 1856. 



22. Camptostoma imberbe, sp. nov. 



Genus novum Tyrannidarum, Tyrannulo qffine ; rostrum altum, 

 breve, valde compression, apice acuta et dente finali nulla; cul- 

 mine multum arcuato et regulariter incurvo, gonyde paulum 

 ascendente ; vibrissis rictalibus nullis : alee modicce, dimidium 

 caudcB attingentes ; primariis secunda, tertia et quarta inter se 

 cequalibus et quintam paulo excedentibus, sexta his paulo bre- 

 viore sed primam superante : cauda modica quadrata : tarsi 

 breviusculi : pedes ut in genere Tyrannulo. 



C. imberbe, sp. nov. 



C. supra olivascenti-fuscum, pileo semicristato, cinerascenti-fusco; 

 alis fuscis, secundariarum et tectricum marginibus externis pal- 

 lidioribus et albicantibus ; cauda pallide cinerascenti-fusco 

 unicolore : subtus cinerascenti-albidum flavo perfusum : rostri 

 nigri mandibula inferiore basi flavicante ; pedibus nigris. 



Long, tota 3*5 ; alse 2-8 ; caudae 1*3. 



Hah. In vicinitate urbis S. Andres Tuxtla in rep. Mexicana. 



