390 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.48. 



from hypodila (type from Fernando Po) it differs in being much larger, 

 of a slightly paler shade of green above, and lemon yellow instead of 

 lemon chrome below. 



Description oj adult male. — Head, neck, mantle, back, rump, and 

 lesser wing-coverts metallic green with a slight golden luster; wings 

 dark brown, with quills bordered externally with citrine; rectrices 

 deep blue edged with metallic green; under parts lemon yellow, 

 washed with olive on sides; pectoral tufts pure lemon yellow; a collar 

 of metallic violet separates the green throat from the yellow under 

 parts; edge of wing pale yellow; under wing-coverts yellowish white; 

 iris brown; bill, feet, and claws black. 



Description oj adult jemale. — Above similar to adult male; below 

 lacking the metallic green chin and throat and the metallic violet 

 collar, the entire under parts being olive-yellow, darkest on the chest, 

 sides, and crissum and yellowest on the abdomen. 



Description oj young male in first plumage. — Yellower on under 

 parts than adult female, with darker olive throat and upper chest. 



Measurements ojtype (adult male). — Length of skin, 103; wing, 55; 

 tail, 39; culmen (chord), 15; tarsus, 16. 



Average measurements oj five adult males (including the type). — 

 Wing, 53.8; tail, 39; culmen (chord), 14.4; tarsus, 15.8. 



Measurements oj adult jemale (Cat. No. 245979, U.S.N .M.; from 

 Meru Forest, British East Africa). — Vfing, 52; tail, 34; culmen 

 (chord), 14; tarsus, 15. 



Average measurements oj two adult males oj Anthreptes collaris 

 hypodila from West Ajrica. — Wing, 49; tail, 35; culmen (chord), 13.3; 

 tarsus, 15. 



Average measurements oj two adult jemales oj Anthreptes collaris 

 Jiypodilajrom West Ajrica. — Wing, 46.5; tail, 32.5; culmen (chord), 

 12.8; tarsus, 14.3. 1 



"Remarks. — Specimens from the upper Athi River (Juja Farm) are 

 intermediate between zambesiana and garguensis; those from around 

 Mount Kenia are more olivaceous on the under parts than any others. 



Geographical distribution. — Upper Athi River, Mount Kenia region, 

 and Mount Gargues, in British East Africa. 



ESTRILDA ATRICAPILLA KENIENSIS, new subspecies. 



MOUNT KENIA BLACK-CROWNED WAXBILL. 



Type-specimen. — Adult male, Cat. No. 214622, U.S.N.M.; col- 

 lected at Fey's Farm, altitude 8,000 feet, in the Aberdare Mountains, 

 near Mount Kenia and Lake Naivasha, British East Africa, August 11, 

 1909, by Edgar A. Mearns. (Original number, 16540.) 



Characters. — Most closely related to Estrilda atricapilla graueri 

 Neumann from Mount Sabjingo, Western Kivu Volcanoes, Central 



1 For measurements of Anthreptes collaris zambesiana and A. c. elachior, see Smithsonian Miscellaneous 

 Collections, vol. 56, No. 14, Dec. 23, 1910, p. 5. 



