200 Mr. II. Druce on some 



EXPLANATION OF PLATE IIL 



Fiff. 1 . Ennea microthauma. 



Fig. 2. juxtidens. 



Fi(j. 3. Zinyis Haygarthi. 



Fig. 4. inmic.ta. 



Fig. 5. ampliata. 



Figs. 6, 6 a, 6 b. Trachycystis calorama. 



Figs. 7, 7 a, 7 h. pycnotricha. 



Figs. 8, 8 a. ectima. 



Fig. 9. Trochomorpha placenta. 

 Fig. 10. Balea africana. 

 Figs. 11, 11 a. riqm cryptoplax. 

 Fig. 12. Curvella sitmosa. 

 Fig. 13. Auricula catonis. 



Fig. 14. dtirbanicu. 



Fig. 15. Cyclophorus minimus, M. & P. Operculum. 

 Figs. 16, 16 a, 16 b. Trachycyatis charybdis, Benson. 



XVII. — Descriptions of some new Species of Heterocera. 

 By Herbert Druce, F.L.S. &c. 



Fam. Lithosiidae. 

 Chioncema sumatrensis, sp. n. 



Male. — The head, collar, and tegulse white, the collar and 

 tegulee edged with yellow ; the thorax and basal half of the 

 abdomen white, the anal half of the abdomen yellow ; an- 

 tennas, palpi, and legs yellow. Primaries white, crossed from 

 the costal to the iimer margin by three waved yellow lines ; 

 two small black dots at the end of the cell and a short yellow 

 streak in the cell ; the outer margin bordered from the apex 

 to the anal angle with yellow ; the fringe white : secondaries 

 white, shaded with yellow at the apex and partly round the 

 outer margin. — Female very similar to the male, but with the 

 markings all red instead of yellow ; the secondaries salmon- 

 colour, with the fringes white. 



Expanse, ^ 1^, $ 1| inch. 



Hah. Sumatra, Pedang {Boch, Mus. Druce). 



Lithosia subcosteola, sp. n. 



Male. — The head, antennje, and legs black ; collar, tegulse, 

 and thorax yellow ; abdomen greyish black, the sides and 

 anus yellow. Primaries greyish black, yellow at the base 

 and streaked along the costal margin from the base to the 

 apex with yellow : secondaries pale yellow. 



Expanse lj% inch. 



IJah. Central China, Hunan (Pratt, Mus. Druce). 



