Tyrant-birds of Mexico. 443 



33. Myiozetetes texensis, Sclatei-, P. Z. S. 1859, p. 45 : 

 Muse, texensis, Giraud, B. Texas, pi. 1 : Tyrannula cayennensis, 

 Svv. Phil. Mag. 1827, p. 3G7. 



Hab. Whole of Mexico, Cordova (Salle) ; Jalapa (de Oca). 

 Mus. P. L. S. 



34. Elainia placens, Sclater, P. Z. S. 1859, p. 46; Ibis, 

 1859, p. 123, pi. iv. fig. 2 : Elcenia (sp. 113), Sclater, P. Z. S. 

 1856, p. 297. 



Hab. S. Mexico, Cordova (Salle), and southwards to Guate- 

 mala. 



Mus. P. L. S. 



IV. PlATYRHYNCHINuE. 



35. MuscivoRA MEXiCANA, Sclater, P. Z. S. 1856, p. 295, 

 et 1859, p. 300. 



Hab. S. Mexico, Cordova (Salle) ; Oaxaca (Boucard), and 

 southwards to Guatemala. 



36. Cyclorhynchus brevirostris. Cab. Orn. Notiz. in 

 Wiegm. Arch. 1847, p. 249 ; Sclater, P. Z. S. 1856, p. 296. 



Hab. S. Mexico, Cordova (Salle). 

 Mus. P. L. S. 



37. Cyclorhynchus cinereiceps, sp. nov. 



Lsete olivaceus, pileo et nucha cineraceis, loris et oculorum 

 ambitu albis : alis et cauda brunnescenti-nigris, extus flavo 

 stricte margin atis : subtus pallide cineraceus, abdomine toto 

 citrino-flavicante, lateribus olivaceo indutis, tectricibus sub- 

 alaribus pallide citi-inis : rostro superiore corneo, inferiore 

 albido, pedibus pallide corylinis : long, tota 5*3, alse 2*5, 

 caudse 2*4, rostri a rictu 0*7, tarsi 0*7. 

 Hab. In Statu Oaxaca, reipabl. Mex. (Boucard). 

 Mus. P. L. S. 



A recent collection from M. Boucard submitted to my exami- 

 nation by M. Salle contains this species, which is the Mexican 

 representative of the S. American C. sulphur escens, as C. brevi- 

 rostris is of C. olivaceus. It is easily distinguished, however, from 

 the southern bird by its pure cinereous cap and pale grey 

 throat. 



I have now specimens of the following species of this group : 



