128 Descriptions of New Species of Birds. 



are almost obsolete ; under lining of wings light rufous, inner margins 

 of quills pale cinnamon; under tail coverts dark rufous; upper man- 

 dible blackish horn color, the under at base pale yellowish white ; 

 tarsi and toes dark brown. 



Length 8 inches ; wing 3f ; tail 3| ; bill f ; tarsi f . 



Habitat. — Costa Rica, Angostura. Collected by J. Carmiol. 

 Mus. Smith. Inst. 



4. ftlargarornis rubiginosa, nov. sp. 



Back, wings, and tail of a deep bright rufous or dark rust color, tail 

 slightly paler and duller, with the shafts red ; crown more brownish, 

 hind neck lighter in color, the sides of the head pale rufous ; a narrow 

 post-ocular stripe, and the throat ochraceous white ; under plumage -of 

 a lighter rufous than the back, and paler on the middle of the abdomen; 

 on the upper part of the breast the feathers are marked in the centre 

 with small spots of ochreous white, the ends of the spots are narrowly 

 margined with black ; under wing coverts and inner webs of quills at 

 the base pale yellowish rufous ; the terminal portion of the inner webs 

 of the quill feathers blackish brown ; under tail coverts dark rufous ; 

 upper mandible light brown, the under pale yellowish white ; tarsi and 

 toes pale fleshy brown. 



A young bird has all the colors paler, the throat greyish white, and 

 a shorter bill. 



Length 6|- inches ; wing 3 ; tail 3 ; bill •§- ; tarsi f . 



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

 Frantzius. Mus. Smith. Inst. 



^Remarks. — This species differs from M. squamigera in being 

 darker above, but in the under plumage they are entirely dis- 

 tinct in color, the spots in the new one being very inconspi- 

 cuous and few in number; the bill is ranch larger with the 

 wings and tail shorter. 



5. Margarornis guttata, nov. sp. 



Head above brown, the feathers of which are a little lighter in their 



