172 Descriptions of Birds from Central America. 

 4. Formicivora schisticoior.; sp. nov. 



Male. Entire upper plumage, sides of the body, and lower part of the 

 abdomen of a dark plumbeous slate color ; throat, breast, and upper part 

 of abdomen deep black, a few of the feathers on the upper part of 

 the breast are marked with white at the base, not very apparent without 

 raising the feathers ; tail brownish black, crossed with darker nearly 

 obsolete bars ; quills brownish black, their inner margins greyish white ; 

 upper wing coverts black, ending conspicuously with white ; under wing 

 coverts black mixed with white ; under tail coverts plumbeous grey, each 

 feather with a blackish subterminal bar, and ending with greyish white ; 

 bill black ; feet plumbeous flesh color. 



Length (fresh) 4 in.; wing 2| ; tail If ; bill \ ; tarsi \\. 



Habitat. — Costa Kica, Turrialba. Collected by F. Carmiol, 

 May 26, 1865. 



Spec, in Mus. Smith. Inst., No. 39079. 



5. Elaiaieji Frantzii, sp. nov, 



Plumage above dark olive green ; a concealed white crest, the bases of 

 the feathers being of that color ; tail feathers dark umber brown, with 

 margins the color of the back; quills dark brown, the primaries nar- 

 rowly edged with olive green, the secondaries and tertiaries with pale 

 yellow ; wing coverts dark brown, the middle and larger marked at their 

 ends with pale yellow, forming two bands across the wings ; under wing 

 coverts light yellow ; throat, breast, and sides dull greenish olive, lighter 

 than the back and with a yellowish tinge ; abdomen and under tail 

 coverts pale yellow, the former whitish in the middle ; upper mandible 

 dark brown, the under whitish with the tip dusky ; tarsi and toes dark 

 brown. 



Length of skin 6| in. ; wing 3| ; tail % ; bill T \ ; tarsi }i. 



Habitat. — Costa Kica, San Jose. Collected by Dr. A. von 

 Frantzius, in compliment to whom I have named it. 

 Spec, in Mus. Smith. Inst., No. of type 39047. 

 Three specimens examined all agree in plumage. 



