l"^ A Catalogue of tht Birds found iri Costa Sica. 



Angostura. Payna and Pacuare (J. Carmiol). 

 204. Myrmotherula fub'iventris, Laicr. 

 Angostura (J. Carmiol). 

 2< >5. Jfyrmolherula albigula, Laivr. 

 Angostura (J. Carmiol). 



20(5. Tlyi'lliotlicriil.'i modesta. sp. nov. 



Male. Upper plumage of a greenish olive brown, the front, 

 crown and hind neck tinged with dull rufous ; tail of a liver colored 

 brown, the outer webs margined with dull rufous; inner webs of 

 quills blackish brown, the outer webs and the wing coverts rufous 

 brown, the margins of the latter brighter rufous; the under wing 

 coverts and inner edges of quills pale salmon color ; the under 

 plumage is of a dull ferruginous, quite pale on the throat and of a 

 brighter rufous on the breast and middle of the abdomen; the 

 under tail coverts dull rufous; upper mandible black with the cut- 

 ting edges pale yellow, under mandible dusky yellowish white; 

 feet dark brown. 



Length (fresh) 4 -J in. ; wing 2\ ; tail l\ ; bill f ¥ ; tarsi | ; 



Habitat. Grecia, collected by F. Carmiol, 9th Oct. 1865. 



There is also a female from the same collector, obtained at 

 Dota, 3d Oct. 1866 ; this differs from the male only in the 

 upper plumage inclining more to olive brown, and the breasl 

 and abdomen being of a brighter rufous. 



Types in Mus. Smith. Institution, Nos. 11 t32 and 47486. 



Remarks. This species does nol much resemble any other 

 of the genus, it is of about the si/-<' of M. ful/oiventriS) but has 

 a much narrower and weaker bill, with longer wings ; it has 

 no Bpote "ii the wing coverts. 



207. Formicivora boucardii, &l. 



Ango-tura. San .l"~e and Pacuare (.1. Carmiol). 



208. Formicivora schtsticolor. Lawr. 

 Turrialba and Barranca I P. Carmiol). 

 •_'"'.•. Ramphocamua semitorqualus, Lawr. 

 "Val." (.(.Carmiol;. 



