WEST AFRICAN LEPIDOPTERA. 63 



Genus CH.^ROCAMPA Duponchel. 



14. Cliserocaiiipa esou Cram., Pap. Exot. iii, p. 57, pi. 226, fig. C (1782). 

 Boi.sduval, Spec. Gen. Crepusc. vol. i, p. 232-33 (1874). 



Benita. Six males and females. 



15. C. charis Walker, Lep. Het. viii, p 136, No. 15 (1856). Boisd., loc. cit. 

 p. 236, plate vi, fig. 4 (1874). 



Apparently common at Benita and Kangwe. 



16. €. celerio Linu., Syst. Nat, i. 2, p. 800 (1766). Cram., Pap. Exot. ii. p. 



42, plate xxv, fig. E (1779). 



Two fine examples. Benita. 



17. C baliiiaiuiiia^ Walker, Lep. Het. viii. p. 138, No. 18 (1856). Boisd. 

 loc. cit. p. 232 (1S74). 



One example. Benita (Reutlinger). 



18. €. irregularis Walker. Plate III, fig. ». 



Pergesa irregularis Walker, Lep. Het. viii. p. 152, No. 4 (1856). 



Mr. Butler, in response to my inquiries, after seeing a specimen 

 which I sent him, writes : " It is allied to the Asiatic types of Per- 

 gesa, but whether it really belongs to that genus, or to Choerocampa, 

 I am not prepared to say without a cai-eful comparison of the struc- 

 ture of the two genera. I suspect your localization is more correct, 

 and that it belongs to the C clotho group of the latter genus. 

 Walker's type is in poor condition." 



I am a little in doubt as to the correctness of my reference to 

 Choerocampa, but with what knowledge I have of the species of 

 Pergesa, found in China and Japan, I am unwilling to leave this flv 

 in their company. 



19. €. liTida u. sp. Plate III, fig. 4. 



Upperside.— Head, thorax aud abdomen slaty gray, darkest on the median line 

 between the eyes and on the front of the thorax. Primaries slaty gray, a very 

 obscure angulated band of a rusty brown color crosses the wing just beyond the 

 base ; on the inner margin just before the internal angle is a subquadrate spot of 

 the same color; a dark, ill defined shade crosses the wing diagonally beyond the 

 middle of the costa and extends almost to the internal angle ; a subapical spot 

 on the costa and two subapical lunules of rusty brown on the outer margin com- 

 plete the list of the distinctive markings of the primaries. Secondaries uni- 

 formly black. The fringes of both primaries and secondaries narrow, white, 

 marked by the dark ground color of the wings at the end of the veins. 



Underside. — Palpi, thorax and abdomen lighter in color than upper surface : 

 the first pair of legs is whitish, the middle aud hind pair of the same general 



