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9 



SYLVIA HALSEII 



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Head small, bill slender, broader than high at the base; tarsus, feet and toes 

 slender, claws weak, much compressed,arched, acute; tail moderate,slightly round- 

 ed, feathers rather pointed; forehead dusky, a spot of yellow at the base of upper 

 mandible, a broad streak of white commencing over the eye extending beyond 

 the head, cheeks brown, throat white; sides of the body spotted with dusky-grey, 

 rest of lower parts white, upper plumage slate color, tinged with olive on the 

 back. Wings and tail brown, primaries edged with white on both inner and 

 outer webs; secondaries more broadly edged with the same, secondarie and first 

 row, small coverts broadly tipped with white forming two distinct bands on the 

 wings; shafts brown, second quill longest, third a little shorter, first and fourth 

 about equal; inner webs, outer two tail- feathers pure white, an oblong spot of 

 brown commencing midway on the outer webs, increasing as it continues to the 

 end, outer web slightly edged with white midway third feather, inner web an ob- 

 long spot of white. Bill along the ridge 5-12, gap 3-4, tarsus 81-12, middle toe 

 and claw 6a-12, wing from flexure 2 1-2 inches, length 5 inches. 



This species I have named after Abraham Halsey, Esq., President of the Brook- 

 lyn Lyceum of Natural History. 



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