LEPlDOPTERA HETEROCERA. 439 



vein of the fore wings trifureate ; first and second inferior veins 

 »»nited for some space from the discal areolet. 



1. Retina rubrivttta. 



Nigro-viridis, subtus carta ; caput postice et thorax antice coccinea ; 

 alee antica coccineo vittata. 



Blackish green, hoary beneath. Head crimson behind. An- 

 ennae black. Thorax crimson in front. Legs black, hoary beneath. 

 Wings grayish beneath. Fore wings with a crimson stripe which 

 occupies half the breadth, and extends along the fore border for 

 nearly two-thirds of the length, and is thence slightly inclined to the 

 hind border, and is there slightly hooked. Length of the body 5 

 lines ; of the wings 14 lines. 



a, b. Silhet. Presented by E. Doubleday, Esq. 



2. Retina costata. 



Nigra ; caput et thorax anticus rosea ; alee anticce vitta antica 

 apicem versus arcuata rosea. 



Black. Head and fore part of the thorax clothed with rosy 

 hairs. Fore wings with a rosy stripe along two-thirds of the fore 

 border, beyond which it curves downward and forms an oblique 

 band ending at the tips of the hind wings. Length of the body 7 

 lines ; of the wings 20 lines. 



a. North China. From Mr. Cuming's collection. 



Genus 60. ARTONA. 



Mas. Corpus breviusculum, sat validum. Caput antice sub- 

 conicum. Palpi capite multo brevioies; articulus 3us minimus. 

 Antennae validae, setaceae, latissime pectinatae, corpore paullo brevi- 

 ores. Abdomen alas posticas fere dimidio superans. Alas breves, 

 angustae ; anticae ad coslam non convexae, postice angulatae, venis 

 inferioribus basi sat approximatis. 



Male. Body rather short and stout. Head convex and slightly 

 conical in front. Palpi very much shorter than the head ; third joint 

 very small. Antennae stout, setaceous, very deeply pectinated, not 

 much shorter than the body. Abdomen extending for nearly half 

 its length beyond the hind wings. Wings short and narrow. " Fore 



2 Q 3 



