KEY TO THE FAMILIES. 



17 



KEY TO THE FAMILIES. 



A. Hind wing with the cell emitting not more 

 than 6 veins. 

 a. Antennai clubbed or dilated ; frenulum absent. 

 a\ Fore wing with two or more veins stalked 

 or coincident. 

 a^. Anterior legs of male useless for walking. 

 a^. Anterior legs of female useless lor 

 walking. 

 «'. Foro wing with vein 12 greatly 



dilated at base lU. Satyridae. 



i'. Fore wing with vein 12 not basally 



dilated 33. Nymphalidae. 



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

 b'^. Anterior legs of male well developed. 

 a^. Anterior tarsi of male more or less 

 abbreviated or with one or both claws 



absent 30. Lycaenidae. 



P. Anterior tarsi of male not abbreviated, 

 claws developed. 

 a^. Ilind wing with vein 1 rt absent ... 38. Papilionidae. 

 bK Hind wing with vein 1 a present ... 35. Pieridae. 

 b\ Fore wing with all the veins present and 



separate 39. Hesperiadae. 



b. Antennae 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 (). 



a'K Hind wing with vein 8 aborted 1. Syntomidae. 



P. Hind wing with vein 8 present *. 

 a*. 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 base 

 only. 

 a^. Antenna with the shaft 

 more or less dilated towards 



extremity 3. AgaristidaB. 



b'. Antennte 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. 

 d^. Hind wing with vein 8 free ; 



proboscis aborted 31 . Neocastniadae. 



i". 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 A7xiiadce allied to 

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

 coincident with 7 to beyond the cell. 



YOL. I. C 



