AKT. 7 REVISION OF THE GENUS BASILEUTERUS TODD 79 



more or less speckled with dusky ; rest of under parts lemon chrome, 

 the sides and flanks darker, shaded with pyrite yellow; "bill black; 

 feet brownish yellow or yellowish flesh-color; iris brown," 



Adult female similar but rather duller. Immature male also 

 similar', but the black areas of the head and neck duller, more brown- 

 ish, and the superciliary and vertical stripe^, and postauricular and 

 subocular spots tinged with buffy, and less sharply defined. 



Juvenal plumage: Similar in general to that of the adult, but 

 everywhere darker and duller, the upper parts, etc., dark citrine; head 

 and neck brown, with the light markings warm buff ; chin and upper 

 throat dull white ; lower throat, breast, and sides shaded with citrine ; 

 abdomen amber yellow, and under tail-coverts sulphine yellow. 



Measurements. — Male (five specimens) : Wing, 67-70 (68.5) ; tail, 

 65-69 (66.5) ; bill, 11.5-13 (12.5) ; tarsus, 22-24 (22.7). Female (two 

 specimens) : Wing, 63-66; tail, 61-63; bill, 12-12.5; tarsus, 23-24. 



Range. — Temperate Zone, Sierra Nevada de Santa Marta, Colombia. 



Rerrmrks. — The present description is reproduced from that in the 

 paper by Mr. Carriker and the writer above cited. The plate is 

 faulty in a measure, the yellow being too dull. A more careful study 

 of this species shov.'s that we were clearly in error in referring it to 

 Hetmsp-ingus., and that it is instead a typical Basileuterus^ with the 

 prominent rictal bristles and color-pattern characteristic of that 

 group. Although perfectly distinct from any other known species, 

 its relationships possibly lie with B. tristriatits, which it resembles 

 moreover in its f aunal range, both being birds of the Temperate Zone 

 in their respective mountain systems. 



Spechneiis exmnined. — Colombia : San Lorenzo, 4 ; Macotama, 1 ; 

 Paramo de Mamarongo, 4. Total, 9. 



BASILEUTERUS IGNOTUS Nelson 



Basileutei'us tnelanogenys ignotus Nelson, Smithsonian Misc. Coll., vol. 60, 

 No. 3, 1912, p. 21 (Mount Pirri, 5,200 feet, eastern Panama; orig. descr. ; 

 type in coll. U. S. Nat. Mus.). — Goldman, Smithsonian Misc. Coll., vol. 69, 

 No. 5, 1920, p. 40 (faunal range). — Gbiscom, Amer. Mus. Nov., No. 280, 

 1927, p. 13, in text (crit). 



Description. — Above dull green (near olive citrine), the wings and 

 tail externally more brownish (near buffy citrine) ; pileum chestnut, 

 with a narrow frontal and lateral black border ; broad superciliaries 

 straw yellow ; sides of the head greenish dusky, the auriculars more 

 greenish, with faint whitish mottling; throUt dull yellowish white, 

 flecked with dusky ; under parts pale yellow (straw yelloAv) , the breast 

 and sides shaded with buffy olive, becoming dark olive buff on the 

 flanks; feet and bill pale horn brown (in skin). 



Measwremenfs. — Female type: Wing, 57; tail, 55; bill, 11; tarsus, 

 20.5. 



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