1. G-EOCICHLA. 177 



iv. p. 489, pis. ccclxix., ccccxxxiii. (1838) ; B}). Comp. List B. Eur. 

 6,- N. Amtr. p. 17 (1838) ; Gray, Gen. B. i. p. 219 (1847) ; Bp. Coiup. 

 i. p. 271 (1850) ; Hdater, P.'Z. S. 1859, p. 331 ; Dull ^- Bunn. Tr. 

 Chic. Acad, i, p. 276 (1869) ; Gray, Hand-l. B. i. p. 258. no. 3758 

 (1869) ; Cl.ucs, Key N. A7ner. B. p. 72 (1872) ; Baird, Brewer, ^ 

 JRidfftv. Hist. X. Amer. B. i. p. 29 (1874). 

 Orpheus meruloides, Sicains. Faun. Bor.-Amer. Birds, ii. p. 187, 

 pi. xxxviii. (1831). 



In the achdt male in spring plumage the general colour of the 

 upper parts is dark slate-grey, slightly darker on the head ; lores, the 

 feathers behind the eye, and the ear-coverts nearly black ; the eye- 

 stripe commences over the eye and extends to the nape, is very con- 

 spicuous, clearly defined, and bright chestnut ; quills brown, the 

 unemarginatcd portion of the outer webs pale chestnut to-nards the 

 base and apex ; lessor wing-coverts dark slate-grey ; median wing- 

 coverts dark brown with large chestnut fan-shaped terminal spots ; 

 greater wing-coverts dark slate-grey, with large chestu'at fan-shaped 

 terminal spots on the outside webs ; innermost secondaries dark brown 

 ■with small dull-chestnut terminal fan-shaped spots, the basal half 

 of the outer web of most of them fringed with dull chestnut ; tail 

 brown, the outside webs margined with slate-grey, the outside 

 feathers conspicuously tipped with white, the others less conspicu- 

 ously so. Chin and throat chestnut, breast dark brown, nearly 

 black ; rest of undcrparts chestnut, fading into nearly white on the 

 centre of the belly and the centre and tips of the under tail-coverts; 

 upper flanks pale chestnut, barred with pale slate-grey ; lower 

 flanks slate- grey ; under tail-coverts margined with j«ile chestnut; 

 axillaries, basal portion white, terminal portion dark brown ; lower 

 under wing-coverts, basal portion dark brown, terminal white with 

 an occasional dash of pale chestnut. Bill dark brown above and 

 below ; rictal bristles unusually well developed. Wing with the 

 third and fourth primaries nearly equal and longest, second primary 

 between the fifth and sixth, bastard primary 1-0 to 0"8 inch. Legs, 

 feet, and claws pale. Length of wing 5-0 to 4-8 inches, tail 3-65 

 to 3-3, culmen 1-0 to 0-9, tarsus 1-3 to 1-25. 



The/(»H«/e differs from the male in being olive-brown above where 

 the male is dark slate-grey ; the chestnut of the underparts is paler, 

 and the dark-brown pectoral band is ncarh' ob.solete. iS'o important 

 change takes \Aace in consequence of the autumn moult. Birds of 

 the year have the plumage of the female in both sexes. Young in 

 first plumage are unknow n. 



The Alaska Gronnd-1 brush breeds in Alaska as far north as 

 Behring's Straits, and ^^inters in the Oregon Territory and 

 California, stragglers occasionally wandering as far as the Eastern 

 States. 



a. Ad. St. California (DavidDay). Zoological Society. 



b. S ad. sk. Siimass Prairie, British J. K. Lord, Esq. [C.]. 



Columbia. 



c. d, e. (S ad. sk. West side IJockvMoimtains. J. K. Lord, Esq. [C.]. 

 /. 2 ad. sk. California, Jan." 23, 1872. E. B. Sharpe, Esq. [P.]. 

 g. 2 ad. sk. California. Hugh Cuming, Esq. [C.]. 



TOL. T. N 



