316 



BULLETIN 50^ UNITED STATES NATIONAL MUSEUM. 



nearly the basal half, the terminal portion dusky; primary coverts 

 dusky; upper tail-coverts white; tail light brownish gray more or less 

 distinctly mottled transversely with darker gray; under parts white, 

 tinged on foreneck and chest with pale gray and along sides with 

 pale buffy, the foreneck and chest irregularly spotted with dusky, 

 the sides irregularly^ barred with the same; axillars and under wing- 

 coverts plain sooty blackish; bill blackish, more grayish or horn 

 color basally; iris dark brown; legs and feet grayish. 



Winter plumage. — Above plain brownish gray; beneath immaculate 

 dull white, shaded on foreneck with pale gray; otherwise as in 

 summer. 



Young. — Above brownish gray, the feathers margined with pale 

 ochraceous or buffy; sides strongly tinged with pale ochraceous or 

 buffy and finely mottled transversely with grayish; otherwise 

 essentially like adults, 



Dci<w/iy young. — Above dull grayish white or pale brownish gray 

 tinged here and there with pale brown, coarsely and irregularly 

 marbled with dusky ; forepart and sides of forehead plain dull whitish ; 

 sides of head, together with entire under parts, dull white, the lores 

 crossed, from eye nearly to bill, by a very distinct line of dusky; 

 behind the eye two dusky lines, a shorter and broader one running 

 from eye into the dusky mottling of occiput, and a longer and nar- 

 rower one commencing immediately beneath the former and con- 

 fluent with dusky mottling on nape. 



Adult male.— Wing, 180-195.5 (188); tail, 67-74 (70.6); exposed 

 cubnen, 53-58(54.5); tarsus, 54-58.5 (56.7); middle toe, 31.5-35.5 

 (33.9).« 



Adult female.— Wing, 175-191 (187); tail, 66.5-74 (70.1); exposed 

 cuhnen, 52.5-59 (56.2); tarsus, 51.5-58 (55.1); middle toe, 32-36 

 (34.3).'' 



" Ten specimens. 



6 Five specimens. 



Locality. 



MALES. 



One adult male from coast of New Jersey 



Four adult males from coast of Virginia 



Four adult males from coast of Alabama 



One adult male from Bahamas ( Andros Island) 



Eleven adult males of C. s. inornitus 



FEMALES. 



One adult female from coast of New Jersey 



Three adult females from coast of Virginia 



One adult female from Bahamas (Andros Island) 



Six adult females of C. s. innrnatus 



All the above specimens were taken during the breedingseason. 



Middle 

 toe. 



.35.5 

 34.2 

 .33.7 

 33.9 

 34.5 



35 



34.8 

 32 

 37.3 



