EMBEENAGEA. 411 



we have no certain information of its existence outside the State of Oaxaca. Of its 

 habits nothing has been recorded. 



EMBEENAGRA. 



Embernagra, Lesson, Traite d'Orn. p. 465 (1831) . 



We are acquainted with eleven species of this genus, of which all but two are 

 concentrated in Mexico, Central America, and the north-western portion of South 

 America. The genus is unrepresented in Guiana, the basin of the Amazons, and Eastern 

 Brazil; but two species, including the type of the genus, occur in the Argentine 

 Republic, Bolivia, and Patagonia. These latter differ rather widely from their more 

 northern congeners, and may readily be distinguished by their larger size, more elongated 

 form, and by the absence of markings on the upper part of the head. 



Two Mexican species pass beyond the northern frontier, but the other five species of 

 our fauna do not range beyond its limits, though we find two species, E. conirostris and 

 H. chrysoma, both nearly related to E. striaticeps, in Colombia and Ecuador respectively. 



Emhernagra striaticeps has the general upper plumage of an olivaceous colour, and 

 this character pervades all the members of the genus ; the head is marked by stripes on 

 either side of the vertex and others through each eye : U. chlorura and the southern 

 species E. jplatensis and E. oKvascens depart from the rest in this respect, E. chlorura 

 standing alone in having a russet crown ; the under plumage of all is white, with 

 grey chest and flanks, the latter usually tinged with olivaceous. The wings are short 

 and rounded, the primaries but little shorter than the longest secondaries ; tbe third, 

 fourth, and fifth quills are the longest in the wing, the second equalling the eighth, 

 the first being shorter than any of the rest ; the bill is moderately stout, and the tomia 

 of the maxilla but slightly angulated ; beneath the exposed nostril the bill is somewhat 

 tumid ; the rictal bristles are short but strong ; the legs are strong, being suitable for birds 

 of terrestrial habits ; the middle toe and claw are a little longer than the tarsus. 



Embernagra seems allied to Pipilo, but its less elongated form and very different 

 coloration seem to justify its separation. 



a, Fileus aut olivaceus aut cinereus utrinque hrunneo aut nigro late marginatus. 

 a'. Pileus utrinque hrunneo marginatus. 



1. Embernagra rufivirgata. 



Embernagra rufivirgata, Lawr. Ann. Lye. N. Y. v. p. 112, t. 5. f . 2 ' j Baird, Mex. Bound. Surv., Zool. 

 ii. Birds, p. 16 ' j Baird, Brew., & Ridgw. N. Am. B. ii. p. 47 'j Sennett, BuU. U. S. Surv. iv. 

 p. 22 ; V. p. 394 * ; Ridgw. Pr. U. S. Nat. Mus. i. p. 248 = ; Coues, Key N. Am. B. ed. 2, p. 398 \ 



Supra olivaoca, stria utrinque vertioali et altera per oculos rufeaeentibus ; loris albidis; capita lateribusgrises- 

 centibus ; subtus alba, pectore cinerasceute, hypoobondriis et crisso pallida fuscescentibus, oampterio alari 



52* 



