KEY TO THE FAMILIES. 17 



KEY TO THE FAMILIES. 



A. Hind wing with tbe cell emitting not more 

 than G veins. 



a. Antennoe clubbed or dilated ; frenulum absent. 

 a\ Fore wing with two or more veins stalked 



or coincident, 

 rt^. Anterior legs of male useless for walking. 

 a^. Anterior legs of female useless for 

 walking, 

 rt'. Fore wing with vein 12 greatly 



dilated at base .'. 34. Satyridae. 



b*. Fore wing with vein 12 not basally 



dilated 33. Nymphalidae. 



P. Anterior legs of female well developed. 37. Erycinidae. 

 i". Anterior legs of male well developed. 

 a^. Anterior tarsi of male more or less 

 abbreviated or with one or both claws 



absent 3G. Lycsenidae. 



b^. Anterior tarsi of male not abbreviated, 

 claws developed, 

 a*. Hind wing with vein 1 a absent ... 38. Papilionidae. 

 6*. Hind wing with vein 1 a present ... 35. Pieridae. 

 i'. Fore wing with all the veins present and 



separate 39. Hesperiadae. 



b. Antennre not clubbed or dilated, or frenulum 



present when clubbed or dilated. 

 a^ Hind wing with vein 1 c absent. 



a^. Fore wing with vein 5 from nearer 4 

 than 6. 



«•''. Hind wing with vein 8 aborted 1. Syntomidae. 



b^. Hind wing with vein 8 present *. 

 «•*. Hind wing with vein 8 remote from 7. 

 a'. Frenulum present. 



a^. Hind wing with vein 8 anas- 

 tomosing with the cell to near 



or beyond middle 2. Arctiadae. 



b*^. Hind wing with vein 8 anasto- 

 mosing with the cell near ba.se 

 only. 

 a'. Antennai with the shaft 

 more or less dilated towards 



extremity 3. Agari&tidae. 



b'. Antenna with the shaft not 



dilated 4. Noctuidae. 



c". Hind wing with vein 8 con- 

 nected with the cell by a bar. 



a'. Proboscis aborted (!. Lymantriadae. 



b''. Proboscis well developed ... 7. Hypsidae. 

 cZ^. Hind wing with vein 8 free ; 



proboscis aborted 31. Neocastniadae. 



6'. Frenulum absent. 



a^. Hind wing with vein 8 approx- 

 imated to the cell at middle... 5. Pterothysanidae. 



* In some specimens of certain species of a few genera of Arctia(l(P allied to 

 the SyntomidcF vein 8 is obsolescent or aborted, and in a few others it is 

 coincident with 7 to beyond the cell. 



VOL. I. C 



