224 AMPELID-S;. 



2. Ptilogonys caudatus. 



Ptilogonys caudatus, Cah. J. f. O. 1860, p. 402 ; Baird, Eevieto Amer. 

 B. p. 413 (1865) ; Sd. ^- Salv. Ex. Orn. p. 11, pi. 6 (1866) ; Later. 

 Ann. Lye. N. Y. ix. p. 97 (1868) ; von Frantz. J.f. O. 1869, p. 295 ; 

 Grmj, Hand-l. B. i. p. 366, no. 5569 (1869) ; Salv. P. Z. S. 1870, 

 p. 185 ; Scl. ^- Salv. Nomencl. Av. Neotr. p. 13 (1873) ; Boucard, 

 P. Z. S. 1878, p. 53 ; Salv. ^- Godm. Biol. Centr.-Amer., Aves, i. 

 p. 219 (1883). 



Spheuotelus caudatus, Baird, Pevietv Amer. B. p. 412 (1865). 



Adult male. General colour above bluish grey, the long silky 

 plumes ou the side of the lower back tipped with olive-yellow, with 

 a subtermiual whitish spot ; lesser and median wing-coverts like 

 the bade ; greater scries blackish, externally bluish grej' ; bastard- 

 wing, primary-coverts, and quills black, narrowly edged with ashy 

 grey, rather more distinct on the latter ; upper tail-coverts bluish 

 grey like the back ; tail-feathers black, externally glossed with 

 steel-green, the three outer ones with a large white spot about 

 middle of the inner web ; head crested ; the hinder crown and hind 

 neck olive-yellow, fore part of crown pale ashy grey, hoary whitish 

 towards the base of the forehead : eyehd golden yellow ; lores 

 dusky ; sides of face, ear-coverts, cheeks, throat, and sides of neck 

 olive-yellow, tinged with brighter yeUow on the fore part of the 

 cheeks, the upper throat slightly more ashy : fore neck and breast 

 clear bluish grey ; abdomen and thighs pale yellow ; sides of body 

 and flanks olive-j'ellow ; under tail-coverts golden yellow ; axillaries 

 and under wing-coverts bluish grey ; quills blackish below, ashy 

 whitish along the inner web. Total length 9*5 inches, culmen O'S, 

 wing 3"65, tail 5"1, tarsus 0*75. 



Adult female. Different fi'om the male. Olive-yeUowish on the 

 back, ashy olive ou the lower rump and upper tail-coverts ; wing- 

 coverts ashy, washed with olive-yellow like the back ; quills black, 

 edged with ashy, slightly tiuged with olive on the secondaries ; 

 tail-feathers black, edged with ashy, the three outer ones with a 

 large white patch on the iuner web ; fore part of crown ashy gi'ey, 

 whitish at the base of the forehead ; eyelid golden ; lores duskj- ; 

 sides of face, sides of neck, and breast dull yellowish olive, ashy on 

 the ear-coverts ; the throat grepsh, whiter on the chin ; abdomen 

 and thighs pale yellow ; sides of breast and flanks olive-yellow ; 

 under tail-coverts golden yeUow ; axiUaries and under wing-coverts 

 ashy grey ; quills dusky, whitish along the inner web. Total 

 length 8"5 inches, culmen 0*5, wing 3-65, tail 4-6, tarsus 0'7. 



Toutiy. Like the old female, but somewhat mottled with pale 

 tips to the feathers of the upper siirface. 



Hah. Costa Rica and Panama. 



a,h. (5 2 ad. sk. Costa Rica (Arce). Sclater CoUectiou. 



e, d. (5 2 ad. sk. Volcan de Irazu, Costa Sclater Collection. 



Rica (Zeledon). 



e. S ad. sk. Volcan de Cartago, Costa Osbert Salvin, Esq. 



Rica (Arce). 



f. cS ad. tk. Costa Rica {Arce). Osbert Salvin, Esq. 



