562 



BIRDS OF TEE GALAPAGOS ARCHIPELAGO— BIDGWAY. vol.xix. 



the color of the streaks is nearly that of the back). Bill wholly deep 

 black: legs and feet brownish black. Length (skin), 4.25; wing, 2.00; 

 tail, 1.55; culmen, 0.52; gouys, 0.27; depth of bill at base, 0.25; tarsus, 

 0.S8; middle toe, 0.57. 



Adult ( t) female {fresh plumage).— l>io. 125978, TJ.S.N.M. ; same locality, 

 etc. Above dark olive, the feathers margined with lighter, more bnfi'y 

 olive, the latter nearly uniform on rump and upper tail-coverts; under 

 parts pale straw yellow, the chest, sides, and ilanks broadly striped 

 with dusky olive. Bill light brown, the maudible rather paler, espe- 

 cially underneath; legs and feet blackish brown. Length (skin), 4.05; 

 wing, 2.48; tail, 1.45; culmeu, 0.50; gouys, 0.25; <lepth of bill at base, 

 0.23; tarsus, 0.85; middle toe, 0.53. 



Young male. — No. 08, collectiou of Dr. G. Baur, Chatham Island, June 

 22, 1891. Similar to the adult ( ?) female, as described above, but ui>i)er 

 parts rather more distinctly streaked with darker, especially on pileum, 

 and under parts brighter buff- yellow, with dusky streaks narrower, 

 very distinct only ou chest; superciliary region conspicuously light 

 yellowish buff; bill light buflfy cinnamon, the mandible paler. Length 

 (skin), 4.20; wing, 2.G3; tail, 1.58; culmen, 0.50; gonys, 0.25; basal 

 width of maudible, 0.28; basal depth of bill, about 0.32 ;i tarsus, 0.81; 

 middle toe, 0.55. 



Young female. — No. 53, collection of Dr. G. Baur, Chatham Island, 

 June 16, 1891. Similar to the young male, as described above, but upper 

 parts more bufify olive, with darker streaks on pileum, etc., less dis- 

 tinct, and under parts without distinct streaks, even ou chest. Length 

 (skin), 3.90; wing, 2.45; tail, 1.50; culmen, 0.48; gonys, 0.25; basal 

 width of mandible, 0.2li; basal depth of bill, 0.32; tarsus, 0.82; middle 

 toe, 0.54. 



It may be that the fully adult male of this species has the head and 

 chest blackish, as in C. prosthemelas, C. pauper, and other forms. 



In addition to the eleven specimens in the National Museum collec- 

 tion, procured by Mr. C. H. Townsend, naturalist of the United States 

 Fish Commission Steamer Albatross, Dr. Baur's collectiou contains 

 seven examples from the same island. 



Measurements of Camarhynchus sah-hii. 



