Genera of Hum7mng Birds. 373 



Aphantochroa antoniae, Reich., Aufz. der Col., 1853, p. 15. 



Polytmus antoniae, Gray, Gen. Birds, vol. i., p. 108. 



Threnetes antoniae, Gould, Mon. Troch., vol. i., p. 15. 



Glaucis antoniae, Muls., Hist. Nat. Ois. Mou., 1873, vol. i., 

 p. 46. 



Sooty Barbed-throat, Gould, Mon. Troch., vol. i., p. 15. 



Le Glaucis d'Antonie, Muls., Hist. Nat. Ois. Mou., 1873, 

 vol i., p. 46. 



Habitat. — Guiana. 



Male. — Upperside shining greenish-bronze. Tail dark 

 shining green-bronze, darker at tips. Chin and upperpart of 

 throat black. Rest of throat and breast dark shining bronzy- 

 green, passing to brown on flanks, abdomen, and undertail- 

 coverts. Maxilla black. Mandible flesh colour with black tips. 



Total length, 4fin. Wing, 2|. Tail, i^. Culmen, if. 



Female. — 'Upperside bronzy-reddish-green. Rectrices of 

 tail wider than in the male and very slightly margined with 

 buffy-gray. Chin brownish-black in the centre, pale brown 

 on the sides. A small buffy-bronze spot in the centre of 

 throat, just under the black of the chin. Underside bronzy- 

 green, with lower parts of flanks and abdomen pale brown. 



Same size as the male. 



This very rare species was dedicated by Messrs. Bourcier 

 and Mulsant to Mrs. Antonie Perroud, whose husband was a 

 liberal patron of Science. 



Genus CLI. Toxateuches, Cab. and Heine, Mus. Hein, 

 i860, t. iii., p. 1 1. 



ToxOTEUCHES, Muls., Hist. Nat. Ois. Mou., 1873, t. i., 



P- 55- 



Type : T. guyi, Lesson. 



Bill much longer than the head, curved, and acutely pointed. 

 Wings long, reaching the end of the third lateral rectrices. 

 Median rectrices in males wide and longest, with a very short 

 narrow tip. In the females this narrow tip is about three 

 times longer. Lateral rectrices gradually longer, the fourth 

 reaching nearly the elongated tip of the median rectrice. 

 Outermost ones shortest. Nostrils exposed. Feet small. 

 Sexes unlike. 



