450 



PROCEEDINGS OF THE ACADEMY OF 



[April, 



g. — More rufescent throughout 



meruloides. 

 (/ . — More ohvaceous throughout 



a'phanta. 

 . — Chin whitish, pale grayish, or buffy, 

 much paler than breast. 

 g. — Lower surface darker, chin more 



whitish merula. 



g' . — Lower surface lighter, chin more 

 buffy phceochroa. 



Dendrocmcla macrorhyncha Salvadori and Festa. 



Dendrocinda macrorhyncha Salvadori and Festa, Boll. Mus. Zool. ed Anat. 

 Comp. Torino, XV, 1899, No. 362, p. 27. 



Type Locolity. — Pun, eastern Ecuador. 



Geographical Distribution. — Eastern Ecuador. 



This recently described species is the largest of the genus, and may 

 readily be distinguished by this character alone. In other respects 

 it appears to be close to Dendrocinda tyrcmniiui tyrannina, of which 

 it may prove through further research to be but a subspecies. 



Dendrocinda tyrannina tyrannina (Lafresnaye). 



Dendrocops tyranninus Lafresnaye, Rev. Zool., 1851, p. 328. 



Type Locality. — Bogota, U. 8. Colombia. 



Geographiccd Distribution. — United States of Colombia. 



This is one of the large forms (wing 118-L30 mm.), with the throat 

 conspicuously pale-streaked. It appears to be confined to Colombia, 

 as birds from western Ecuador belong under the next. The two types 

 in the Lafresnaye collection measure as follows :^ 



Dendrocinda tyrannina brunnea (Salvadori and Festa). 



Dendrocinda brunnea Salvadori and Festa, Boll. Mus. Zool. ed Anat. Comp. 

 Torino, XIII, 1898, No. 330, p. 2. 



Type Loccdity. — Nanegal, Ecuador. 

 Geographical Distribution. — Western Ecuador. 



Similar to D. tyrannina tyrannina, but darker, more rufescent below; 

 the throat deeper ochraceous; the foreneck and pileum less distinctly. 



^ All measurements in this paper are in millimeters. 



