new African Heterocera. 535 



Expanse 40 mm. 



Hiih. N'Dallu TaiiJo, N. Angola, 2700 leet ; November 

 (^Ansorge), 



Type in my collection. 



This is near T. eningce, Plotz, but its pure white wings 

 and yellow head and abdomen will distinguish it. 



Ilema di'ph'sticla, sp. n. 



c?. Head, thorax, and abdomen yellowish. Primaries 

 creamy white, with more colour at the base and on the fold, 

 an indistinct dark spot on the costa just beyond the centre 

 and another distinct one below it, shitted slightly outwards 

 below vein 2. Secondaries spotless dirty white. 



? . Primaries darkish grey, with both spots distinct. 

 Secondaries paler grey and spotless. 



Expanse, (J oO, ? o'o mm. 



Hab. Gunnal (W. Africa) ; June. 



Types in ray collection. 



Ilema triplaiola, sp. n. 



(J. Head and thorax pale tawny ; abdomen grej', terminal 

 segments yellowish. Primaries tawny ochreous (best de- 

 scribed perhaps as deep ])uffj, with the base paler and slightly 

 paler beyond the median area ; a small dark spot at the end 

 of the cell, another on vein 2 shifted inwards, below which is 

 another indistinct one on tlie inner margin ; a few scattered 

 dark scales in the postmedian area. Secondaries clear, spot- 

 less, pale yellowish. 



Expanse 27 mm. 



Hab. N'Dalla Tando, N. Angola, 2700 feet ; November 

 [Ansorge). 



Tyi^e in my collection. 



Ilema viaJauga, sp. n. 



cJ . Head yellowish, thorax and abdomen grey. Primaries 

 pale lemon-yellow, with the median area deeper yellow, 

 inclined to an orange shade, a small dark point about the 

 middle of vein 2. Secondaries very pale lemon-yellow. 



Expanse 28 mm. 



Hab. Malange, W. Africa. 



Type in my collection. 



Ilema unistrigata, sp. n. 

 cJ . Head, thorax, and abdomen yellow, the latter the 

 palest. Primaries pale straw-colour, with a single waved 

 confluent spotted grey stripe across the end of the cell. 

 Secondaries very pale clear yellowish. 



