396 MNTOTILriDJi. 



22. Basileuterus delattrii. 



Basileuterus delattrii, Bp. C Ji. xxxviii. p. .383 (18.'54) ; aSW. P. Z. S. 



1860, p. 250; ScI. c^ Salv. Ihis, 18()0, p. 274; Scl. Cat. Amer. B. 



p. 35 (1862) ; Baird, Bmew Amer. B. p. 249 (1865) ; <SV/. P. Z. S. 



1865, p. 284 ; Scl. ^- Salv. Numcncl. Av. Ncotr. p. 10 (1873) ; Salv, 



8) Godni. Biol. Centr.-Amer., Aves, i. p. 176 (1881). 

 Basileuterus rufifrons (nee Sw.), Salv. P. Z. S. 1865, p. 284. 

 Setophaga delattrii, Gray, Uand-l. B. i. p. 245, no. 3555 (1869). 



Adult. General colour above olive-greenish, rather yellower 

 towards the rump and upper tail-coverts ; lesser wiug-coverts like 

 the back ; median and greater coverts and qiiills dusky, externally 

 edged with yellowish olive, the first primary narrowly margined 

 with ashy whitish ; bastard-wing and primary-coverts dusky, with 

 very narrow margins of olive-yellow ; tail-feathers dusky brown, 

 edg"ed with olive-yellow and fringed with whity brown towards the 

 end of the inner web ; crown of head deep chestnut, with a broad 

 SMperciliary line of white from the base of the bill to the sides of 

 the nape ; lores and a line above and below the eye, along the upper 

 part of the ear-coverts, black ; below the eye a white spot ; ear- 

 coverts chestnut ; fore part of cheeks and base of chin white ; 

 remainder of cheeks and under surface of body bright yellow, a little 

 paler on the abdomen and under tail-coverts ; thighs ashy olive ; 

 sides of body and flanks olive-green ; axillaries ashy, washed with 

 yellow ; under wing-coverts brighter yellow ; quills dusky below, 

 ashy along the edge of the inner web. Total length 5-2 inches, 

 culmen 0-5, wing 2-3, tail 2-4, tarsus 0-8. 



Ilah. Guatemala. 



a Ad. sk. Guatemala. Gould Collection. 



b. 2 ad. sk. Coban, Vera Paz. Osbert Salvin, Esq. [C.]. 



c. Ad. sk. Calderas, Volcan de Fuego, Sclater Collection. 



Sept. ( O. Salviii). 

 d 9 ad. sk. La Trinidad, Volcan de Salvin-Godman Coll. 



Fuego, Oct. 30 (0.«.). 

 e (S ad. sk. Volcan de Agua, above S. Salvin-Godman Coll. 

 Diego, Nov. (0. S.). 



Subsp. a. Basileuterus mesochrysus. 



Basileuterus brunneiceps {nee D'Orb. ^' Lafr.), Bp. Consj). i. p. 314 



(1850). 

 Basileuterus delattrii («fc Bp.). Cab. J. f. 0. 1860, p. 325; Lawr. 



Ann. Lye. N. Y. vii. p. 322 (1861). 

 Basileuterus mesochiysus, Scl. P. Z. S. 1860, p. 251 ; id. Cat. Amer. 



B. p. 35 (1862) ; Baird, Revieio Amer. B. p. 250 (1865) ; 



Salv. P.Z. S. 1867, p. 136; Lator. Ann. Lye. N. Y. ix. p. 95 



(1868) ; Von Frantz. J. f. O. 1869, p. 294 ; Salv. P. Z. S. 1870, 



p. 183 ; Scl. (§• Salv. Mmcncl. Av. Neotr. p. 10 (1873) ; Salv. ^; 



Godm. Ibis, 1879, p. 148 ; iid. Biul. Centr.-Amer., Aves, i. p. 176 



(1881). 

 Setophaga mesochrysa. Gray, Iland-l. B. i. p. 246, no. 3558 (1869). 



Adult (type of species). General colour above yellowish olive, the 



