1894.] FROM BRITISH EAST AFRICA. 589 



subbasal line only indicated by a dusky costal spot, anternedial 

 line by an oblique costal dash and greyish irregular scaling ; the 

 female also with a short oblique line from inner margin almost to 

 cell ; one or two additional badly-defined costal dusky spots from 

 middle of costa and a little group of ferruginous scales towards 

 apex partly enclosed by a horseshoe-shaped dark grey marking, 

 the outer arm of which is confluent with a dark grey apical patch 

 enclosing two black dots; fringe of male creamy white : secondaries 

 of male white, of female greyish brown ; body of male white, of 

 female greyish white ; under surface white, the costal area of 

 primaries more or less sprinkled with grey scales, a dusky spot in 

 cell, and a second, better defined, at end of cell. Expanse of 

 wings, tf 16 rnilliin., $ 17 millim. 

 Sabaki Valley. 



187. Cvligramma latona. 



PTidloma (Noctua) latona, Cramer, Pap. Exot. i. p. 20, pi. xiii. B 

 (1779). 



Kinani; shores of Lake Baringo ; Larabwal, Laitsipia; Thagana ; 

 Thiriati. 



188. Ctligramma limacina. 



Cyligramma limacina, Gruerin, Icon. Eegne Anim., Ins. pi. 89. 

 fig. 2, texte, p. 520. 



Thagana and steppes of Thika-Shika. 



189. Baniana intorta. 



Aihyrma intorta, Swinhoe, Trans. Ent. Soc. 1891, n. 150. 

 Baniana intorta, Hampson, 111. Typ. Lep. Het. ix. p. 106, 

 pi. clxiii. fig. 3 (1892). 

 Sabaki Valley. 



190. Plecoptera reversa. 



Poapliila reversa, "Walker, Lep. Het. Suppl. iii. p. 991 (1865). 

 Sabaki Valley. 



191. Colbusa pentagonalis, sp. n. (Plate XXXVII. fig. 8.) 



Primaries above cupreous brown, purplish beyond the middle ; 

 costal edge creamy white ; a white very oblique stripe commencing 

 near base of inner margin, bounding the subcostal vein to end of 

 cell, where it is acutely angulated, and passing obliquely backwards 

 across the wing to just below first median branch, where it is 

 again abruptly angulated and runs inwards to inner margin ; this 

 stripe thus encloses a large purplish-black pentagonal patch ; a 

 broad blackish marginal band, its inner edge diffused, its outer 

 edge bounded by a white stripe and then a slender black line : 

 fringe white : secondaries with the basal half sericeous whity 

 brown, bounded externally, from anal angle to cell, by a white 

 stripe ; external half dusky greyish ; a submarginal slender white 



Proc. Zool. Soc— 1894, No. XXXIX. 39 



