58. MTIADECTES. 373 



6. Myiadectes obscurus. 



Myiadestes obscurus, Lafr. Rev. Zool. 1839, p. 98 ; Bp. Consp i 



p. 330 (IS.-jO) ; Cab. Afus. Bein. Th. i. p. 54 (1850; ; Scl. P. Z. S. 



1857, p. 213, 1859, pp. 304-376 ; id. ^- Salv. Ibis, 18.59, p. 14, 1860, 



p. 39; Scl. Cat.Ami-r. B. p. 47 ; Baird, Rev.Amer. B. p. 4.30 (ls64) ; 



Scl. 8f Salv. Ex. Orn. p. 49, pi. 25 (1869j ; Stimichr. Mem. Bost. 



Soc. N. H. i. p. 548 (1869) ; Grayson, Proc. Bost. Soc. N. H. xiv. 



p. 277 (1871); Lawr. 3Iem. Bost. Soc. ii. p. 273; Scl. ^ Salv. 



Nomencl. Av. Neotr. p. 4 (1874) : Baird, Brewer, &■ Ridqw. N. 



Amer. B. i. p. 409 (1874). ' ^ J 



Ptilogonvs obsciu-us. Gray, Gen. B. i. p. 281 (1846) ; id. Hand-l. B. 



i. p. 366, no. 5574 (1869). 

 Mj-iadestes caesius, Licht. Notnencl. Av. Neotr. p. 20 (1854). 

 Myiadectes oljscm-us, Sclater, P. Z. S. 1858, p. 302 ; Salv. Sf Godm. 



Biol. Centr.-Amer., Aves, i. p. 40 (1879). 



Adult. ^ General colour above ruddy brown, a little more olivaceous 

 on the hind neck and on the rump and upj)er tail-coverts ; wino-- 

 coverts reddish brown, the inner median coverts with a slight 

 orange tinge ; greater and primary coverts dusky brown, exter- 

 nally reddish brown ; quills dusky brown, externally orange- 

 brown, except in the middle of the outer webs, where the blackish- 

 brown colour of the quills encroaches ; centre tail-feathers ashy 

 grey, with a very tiny spot of white at the extreme tip, the re- 

 mainder black, the third with a white spot at the end, the penulti- 

 mate one with a wedge-shaped mark towards the tip, which is ashy, 

 the outermost pale ashy brown, obliquely dark brown at the base of 

 the inner web, with the tip and a long wedge-shaped mark on the 

 inner web, white ; head ashy grey, hoary on the base of the fore- 

 head and over the lores ; eyelid creamy white ; lores black, ex- 

 tending a little way under the eye ; ear-coverts ashy grey, with 

 narrow whitish shaft-lines ; cheeks creamy white, the hinder part 

 shading off into ashy grey ; chin and upper throat creamy white, 

 separated from the cheeks by a blackish moustachial line ; lower 

 throat and under surface of body ashy grey, with a few whitish 

 shaft-lines on the fore neck ; centre of abdomen white ; flanks and 

 sides of body washed with olive-brown, as also the thighs ; under 

 tail-coverts light ashy, with broad white margins ; axillaries and 

 under wing-coverts light fulvous brown, with paler tips, the wing- 

 coverts more reddish brown near the base ; quills dusky brown, 

 light ochraceous buff near the base of the inner webs. Total length 

 8-2 inches, culmcn 0-65, wing 3-95, tail 3-9, tarsus 0-8. {Mus. 

 Salvia <^' Godinan.) 



Guatemalan examples appear to have the throat more ashy than 

 in most of the Mexican specimens examined. The whiter throat of 

 the latter, however, does not seem to bo absolutely constant. 



The Dusky Solitaire ranges from Guatemala to Southern Mexico 

 and the Tres Marias Islands. 



a. Ad. St. Mexico. Purchased. 



b. Ad. sk. Mexico. Purchased. 



