LEPICOPTERA HETEROCERA. 127 



base divided by a purple-black interval from a costal yellow patch. 

 Length of the body i-> lines ; of the wings 24 lines. 



Differing from T. semihyalina in the silvery front and in the 

 white spot on each shoulder. 



a. Hong Kong. Presented by J. C. Bowring, Esq. 



Genus BINTHA. 



Fcem. Corpus gracile. Proboscis mediocris. Palpi laeves, 

 graeiles, porrecti, caput vix superantes ; articulus 3us laneeolatus, 

 2o non brevior. Antennae glabra?, graeiles, corpore paullo breviores. 

 Pedes lon^i, graeiles, laeves; calcaria quatuor parva. Ala3 longius- 

 culae, sat angustae; anticae apice rotundatae, margine exteriore sub- 

 convexo obliquo. 



Female. Body slender. Proboscis distinct. Palpi smooth, 

 slender, porrect, hardly extending beyond the head ; third joint lan- 

 ceolate, as long as the second. Antennae smooth, slender, rather 

 shorter than the body. Legs long, smooth, slender; hind tibiae 

 with four short spurs. Wings rather long and narrow. Fore wings 

 rounded at the tips ; exterior border slightly convex, very oblique. 



BlNTHA GRACILIS. 



Foem. Cuprec-nigra ; caput et thorax viridia ; antenna cyanea ; 

 libice tarsique aurato-cinerea ; alee anticce striga basali, fascia 

 media e strigis tribus strigisque duabus exterioribus Jlaves- 

 centibus ; posticce apud costam albida, striga discali lata 

 cinerea semihyalina. 



Female. Cupreous-black. Head and thorax green. Antennae 

 blue. Tibiae and tarsi gilded cinereous. Fore wings with a yellow 

 streak proceeding from the base, with three yellow streaks forming 

 a band across the middle, and with two exterior yellow streaks, of 

 which one is subcostal and much larger, than the other. Hind 

 wings whitish along the costa, with a broad cinereous semihyaline 

 stripe in the disk. Length of the body 6 lines ; of the wings 

 14 lines. 



a. Japan. From Mr. Fortune's collection. 



