ORNITHION. 179 



l)ill is short and depressed, the width at the base is about half the 

 length of tlio exposed culiiien. The wing is rounded, the second, 

 third, and fourth primaries longest and equal, the first primary is 

 shorter than the fifth but longer than the sixth. The tail is square 

 at the tip and about three-fourths the length of the wing. The 

 tarsus is scutellated in front and about equal in length to the 

 middle toe and claw. Coloiation : male and female similar. 



Key to the Species. 



A. Base of forehead white in contrast to the 



crown of the head; breast and abdomen 



lemon-yellow O. inerme, p. 179. 



B. Base of forehead uniform with the crown of 



the head ; breast and abdomen sulphur- 

 yellow O. pusillum, p. 180. 



468. Ornithion inerme. 



Hartlaub's Flycatcher. 



Ornithion inerme Hartl. J. f. 0. 1853, p. 35 (Bahia) ; Salvin, Ibis, 

 1885, p. 293 (Bartica Grove") ; Sclater, Cat. B. Brit. Mus. xiv. 

 p. 125, 1888 (Carimang Eiver) ; Brabom-ne & Chubb, B. S. Amer. 

 i. p. 287, no. 2921, 1912. 



Adult. Crown of head and lores dark slate-grey, a conspicuous 

 line of white across the liase of the forehead; the short feathers 

 round the eye whitish; fides of face dusky; hind neck, entire back, 

 upper tail-coverts, scapulars, and lesser upper wing-coverts dark 

 green ; median and greater upper wing-coverts blackish tipped 

 with yellowish white ; bastard-wing and primary-coverts blackish 

 brown ; flight-quills similar with pale margins on the inner webs 

 and green edgings on the outer webs of the secondaries ; tail dark 

 browijj the feathers slightly fringed with green ; chin greyish 

 white; throat grey; breast yellowish green; abdomen, under 

 tail-coverts, axijlaries, and under wing-coverts lemon-yellow, 

 rather paler on the last ; under surface of flight-quills brown 

 with yeilowish-white inner edges. 



Total length 80 mm., exposed culmen 7, wing 43, tail 28, 

 tarsus 12. 



The specimsn from which the description is taken was collected 

 at the Kamakabra River. 



Breeding-season. Unknown in British Guiana. 



Nest. Unrecorded in British Guiana. 



n2 



