6. PAETTLA. 261 



patch of olive-yellow across the mantle and upper back ; lesser 

 wing-coverts like the back ; median coverts also slaty blue, with 

 blackish bases ; greater coverts blackish, externally slaty blue, with 

 a white spot at the end of the outer ones, forming a wing-bar ; 

 bastard-wing black ; primaiy-coverts and quills blackish, externally 

 margined with slaty blue, paler and more hoary blue on the edge of 

 the primaries ; tail-feathers blackish, edged externally with slaty 

 blue, the centre ones of the latter colour with black centres, the 

 outer feathers with a large white mark near the end of the inner web, 

 decreasing in size on the penultimate feather and very much 

 smaller on the third one ; head and hind neck dark slaty blue ; 

 lores and a line across the base of the forehead, feathers round and 

 below the eye black : ear-coverts dark slaty blue, shaded anteriorly 

 with black ; sides of neck dark slaty blue ; cheeks and under 

 surface of body rich deep yellow, orange on the throat and 

 breast, the flanks washed with olive, with several longitudinal 

 streaks of greenish black, very distinct on the sides of the upper 

 breast ; thighs slaty grey, edged with white ; under tail-coverts 

 white ; under wing-coverts and axillaries white ; quills blackish 

 below, white along the edge of the inner web. Total length 4-2 

 inches, culmen (>45, wing 2-15, tail 1' 7, tarsus 0'65. 



Adult female. Much paler than the male, the olive-yellow patch 

 on the mantle smaller, the black on the side of the face less pro- 

 nounced, and the under surface of the body much paler. Total 

 length 3'7 inches, culmen 0*45, wing 1'85, tail 1"4, tarsus 0"6. 



llah. Central America, from Guatemala to Costa Eica and 

 Panama. 



a. Jad. sk. Costa Rica (Carwu'o?). Sclater Collection. 



^. Imm. sk. Costa Rica. Mr. Van Patten [C.]. 



c. [(5 Jad.sk. CMriqui, Veragua (^rce). Osbert Salvin, Esq. 



d,e. c? 2 ad. sk. Chh'iqui, Veragua {Arce). Sclater Collection. 



Subsp. /3. Parula nigrilora. (Plate XI. fig. 2.) 



Parula pitiayumi (nee V.), JBreiver, Ibis, 1878, p. 116, 



Parula nigi-ilora, Coxes, Bull. U.S. Geol. Stirv. iv. p. 11 (1878) ; 



Sennett, t. c. p. 11 ; id. op. cit. v. p. 384 (1878) ; C'ottes, B. Color. 



Vail. p. 207 (1878) ; Brewer, Ibis, 1878, p. 204 ; Merrill, I'roc. 



U.S. Xat. Mus. i. p. 123(1878) ; Salv. ^- Godm. Biol. Centr.-Amer., 



Aves, i. p. 121 (1880) ; Coues, Check-list, p. 34 (1882) ; id. Key 



N. Amer. B. 2nd ed. p. 291 (1884). 

 Panda pitiavunii nigrilora, Eidqw. Pi-oc. U.S. Nat. Mus. iv. p. 209 



(1881) ; id. Bidl. U.S. Nat. Mus. no. 21, p. 16 (1881). 

 Compsothlypis nigi'ilora, Stejneger, Auk, 1884, p. 170. 



Adult male. General colour above delicate slaty blue ; mantle and 

 upper back golden yellow ; lesser and median wing-coverts like the 

 back, the latter white at the ends, forming a wing-bar ; greater 

 coverts blackish, extcrnaU}- slaty blue, with a large white spot near 

 the end of the outer web, forming a second wing-bar : bastard-wing 

 and primary-coverts black, narrowly edged with dark slaty blue, 

 the margins almost obsolete on the former ; quills blackish, edged 

 externally with pale slaty blue a little lighter than the rump, and 



