443 
Tyrant-birds of Mexico. 
33. Myiozetetes texensis, Sclater, P. Z. S. 1859, p. 45 : 
Muse . texensis, Giraud, B. Texas, pi. 1 : Tyrannula cayennensis, 
Sw. Phil. Mag. 1827, p. 367. 
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. Platyrhynchinal 
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 marginatis : subtus pallide cineraceus, abdomine toto 
citrino-flavicante, lateribus olivaceo indutis, tectricibus sub- 
alaribus pallide citrinis: rostro superiore corneo, inferiore 
albido, pedibus pallide corylinis: long, tota 5*3, alse 2’5, 
caudse 2*4, rostri a rictu 0 - 7, tarsi 07. 
Hab. In Statu Oaxaca, reipubl. 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. sulphurescens, 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 : 
