6 EEVIEW OF THE GENUS XIPHOCOLAPTES RIDGWAY. 



The measurements of these specimens are as follows: 



It will thus be seeu that not only do the two Sta. Catarina specimens 

 (d and e) have smaller or more slender bills, but they also have shorter 

 wings and tails than those from other localities. 



Xiphocolaptes sclateri, sp. nov. 



"Xipliocolajyfes albieollis (Vieill.)? " Scl., P. Z. S., 1857, 202 (vicinity of Jalapa). 

 Xiphocolaptes emigrants (part) Scl., Ibis, 1859, 118 (Jalapa). — Scl. & Salv.,Ex. Orn., 

 pt. v, December, 1867, 69 (part).— Sumichr., Mem. Bost. Soc, 1, 1869, 554 

 (Vera Cruz). 



Sp. Char,. — Similar to X. albieollis (Vieill.), but larger, with longer 

 bill, narrower streaks on pileum and hind neck, and less distinct bars 

 on abdomen. 



Hab. — Southeastern Mexico (mountains of Vera Cruz). 



Adult (type, No. 37442, Orizaba, Mexico; Prof. F. Sumichrast).— Pil- 

 eum brownish black, each feather with a sharply-defined narrow mesial 

 streak of pale buff; hind-neck, back, and scapulars olive-brown, the 

 first streaked like the pileum, the upper back with much narrower 

 streaks or shaft-lines ; rump and upper tail-coverts bright cinnamon- 

 rufous, the lower back tinged with the same ; wings slightly paler cin- 

 namon-rufous, the exposed portion of the coverts mostly light olive- 

 brown, the primaries and secondaries indistinctly edged with the same; 

 tail clear chestnut, with shafts of the feathers mostly dusky. Sides of 

 head streaked with dark olive brown and pale buffy, the latter prevail- 

 ing on superciliary and orbital regions and ear-coverts, the former on 

 upper portion of ear coverts and on malar region. Chin and upper 

 throat buffy white, deepening into light buff on lower throat; fore- 

 neck, sides of neck, chest, and breast light olive brown, inclining to 

 raw-umber, each feather marked with a distinct mesial streak of buffy 

 whitish ; sides and flanks raw-umber, tinged with cinnamon-tawny, the 

 first with very narrow paler streaks ; belly and under tail-coverts light 

 olive-tawny, barred or transversely spotted with dusky, the feathers 

 with very fine paler shaft-streaks ; axillars and under wing-coverts 

 ochraceous, barred with dusky. Upper inaudible dark horn-color, lower 

 bluish dusky (plumbeous in life!) ; legs and feet greenish dusky (dark 

 olive in life?). Length (skin), 12.50; wing, 5.60; tail, 5.60; culmen, 2.30; 

 depth of bill at angle, .40; tarsus, 1.30; middle toe, 1.12. 



