NEMOSIA. HEMITHTIAUPIS. 541 



Total length 117 mm., exposed culmen 10, wing 70, tail 43, 

 tarsus 19. 



Aihdt female . General colour of the upper surface lavender- 

 blue, including the head, back, wings, and tail; under surface for 

 the greater part white tin.ged with pale fawn-colour on the thr(jat 

 aiul a wash of blue on the breast, abdomen, and sides of body. 

 Wing G(J mm. 



The specimens described were collected on the Abary Uiver in 

 July and November 1906. 



Breedinci-season. Unknown in British Guiana. 



]S^t;st. Unrecorded in British Guiana. 



.F.q<is. Undescribed from British Guiana. 



Miuu/e in British Guiana. Upper Takutu Mountains, Jturibisi 

 Uiver, Abary liiver (J\IcConnell collection). 



J^.etralimital Range. Surinam [Fenai'd), Cayenne, Brazil, Vene- 

 zuela, Colombia. 



Habits. Unrecorded in British Guiana. 



Genus HEimERAUPIS Cab. 



iLemiiliranpis Cabanis, Mus. Hein. i. p. 21, 18-50. Type II. rujicapilla 

 (VieilL). 



The species included in this genus are also birds of small size. 

 The bill is pointed, its width at the base is equal to about half the 

 length of the exposed culmen and the tip of the uj)per mandible 

 is slightly hooked. The wing is rounded, the second, third, and 

 fourth primaries longest and equal, the first is intermediate in 

 length between the fourth and liflh. The tail is square at the 

 tip and about fivo-seventlis the length of the wing. The tarsus 

 exceeds the length of the exposed culmou by about one-third. 

 Coloration : male and fenude different. 



Keij to the Species. 



A. Crown of head and mantle Idackish in 

 C(Jiitrast to the buck, whieh is bright 



yellow ; throat yellow IF. licUmayri, d , J '. o 1 2. 



(t. (Jrovvn of head and back smoke-brown IL. hellmuyri, $ , p. C»1'2. 

 I>. Crown of head and mantle Ijronze-^reen 

 ill contrast to the back, winch is bright 



fawn-colour; tliroat black II. rornimce, 6 , p. 542. 



b. Crown of head and hack ycllowibh 



olivu-grccii Jl. luruiiiuc, ^ , \k ')V^. 



