13. GE0THLTPI8. 3o7 



black ; the feathers above and around the eye, lores', ear-coverts 

 and cheeks black, forming a patch which extends some little way 

 down the sides of the neck ; hinder crown and nape dusky olive- 

 brown, separated from the black forehead and side face by a distinct 

 line of yellow, which skirts the black ear-coverts also, and joins the 

 sides of the neck, which are also bright yellow ; under surface of 

 body bright golden yellow, a little paler towards the abdomen ; sides 

 of the body olive-brown, tinged with saf&-on-yellow on the sides of 

 the breast ; thighs externally olive, more ashy on their inner aspect ; 

 under tail-coverts deep yellow ; axillaries and under wing-coverts 

 yellow, with whitish bases ; edge of wing bright yellow ; quills 

 dusky below, ashy along the edge of the inner web. Total length 

 5-5 inches, culmeu 0'65, wing 2-45, tail 2-4, tarsus 0-9. 

 Hah. Lower California. 



a. (S ad. sk. San Jos6 del Cabo, Lower California, Sclater Collection. 

 Jan. 23 (Beldijig). 



5, Geothlypis semiflava. 



Geothlypis semiflava, Sclater, P. Z. S. 1860, pp. 273, 291 ; id. Cat. 

 Amei: B. p. 27 (18G2) ; Baird, Eeviezv Amer. B. p. 223, note 

 (1865) ; Scl. ^ Salv. Nomencl. Av. Neotr. p. 9 (1873) ; BerUpsch 8c 

 Tacz. P. Z. S. 1883, p. 541. 



Trichas semiflava, Grai/, Hand-l. B. i. p. 242, no. 3506 (1869). 



(xeothlypis bahdi, Nutting, Proc. U.S. Nat. Mus. vi. p. 398 (1844). 



Adult male (type of species). General colour above dark olive- 

 greenish, a little brighter towards the rump and upper taU-coverts ; 

 lesser and median wing-coverts like the back; greater series, 

 bastard-wing, primary-coverts, and quills pale brown, externally 

 like the back, the first primary margined with ashy white ; tail- 

 feathers olive-brown, a little brighter olive on the edges of the 

 feathers ; forehead and sinciput black, forming a broad frontal band, 

 which contrasts strongly with the rest of the crown, which is like 

 the back ; lores, feathers round the eye, ear-coverts, and cheeks 

 black, extending a little way down the sides of the neck, the latter 

 being a little yellower than the back ; entire under surface of body 

 bright yellow, a little duller on the abdomen, thighs, and under tail- 

 coverts ; sides of the body olive-greenish ; axiUaries and under 

 wing-coverts yellow, with white bases, the edge of the wing bright 

 yellow ; quills dusky brown below, whitish along the edge of the 

 inner web. Total length 5 inches, culmen 0-6, wing 2-35, tail 2*15, 

 tarsus 0"9. 



Adult female. Eathcr duller than the male, and wanting the 

 black on the forehead and sides of face ; the head like the back ; 

 lores and feathers round the eye yellow ; ear-coverts and cheeks 

 dull olive-yellow ; under surface of body yellow, but not so bright 

 as in the male, the breast washed with saffron. Total length 5*2 

 inches, culmen 0-6, wing 2-35, tail 1-95, tarsus 0-9. 



Hah. Ecuador, extending northwards into Costa Eica, where it 

 has been renamed G, hairdi by Mr. Nutting. Mr. Salvin, however, 



