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1st 



SYLVIA OLIVACEA 



II 



Second and third quill about equal and longest, fourth a little shorter, first and 

 fifth about equal ; head, throat, breast, neck and hind neck dull ochre, inclining 

 to olive as it extends on the back; upper plumage ashy-grey, tinged with olivace- 

 ous; abdomen soiled white, tinged with greenish-yellow; lore and a line behind 

 the eye black, broadest at the termination ; wings brown, margined with white 

 on the inner webs ; outer, greenish-yellow, lesser coverts tipped with white, secon- 

 darie coverts edged with greenish-yellow on the outer webs, paler at the tips, 

 forming two distinct bands on the wings; a spot of white on the primaries com- 

 mencing on the fourth quill beyond the coverts ; vent and under tail-coverts, soiled 

 white ; tail brown, slightly forked, margined with greenish-yellow, an oblong spot 

 of white on the outer three feathers extending nearly to the ends on the inner 

 webs ; a small spot of white on the fourth feather near the end ; bill black above, 

 lighter at the base of lower mandible, slightly notched ; tarsus and toes slender, 

 claws arched, compressed, acute. Length from bill to the end of tail 5 3-8 inches, 

 wings from flexure 3 1£-12 5 bill along the back 5-12, gap 7-12, tarsus 9J-1 2, middle 

 toe and claw 8-12. 



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