i86 LEPIDOPTERA. 



deflected when at rest ; stigmata not usually well marked ; 

 hind wings ample, vein 5 very slender, arising from the 

 middle of the cross-bar. 



Larv^ naked, smooth, rather elongated and a little 

 attenuated in front, slightly thickened and obtuse behind. 

 Feeding principally upon trees and shrubs or in the tops of 

 herbaceous plants. 



Pup^ of the usual form but short, in an earthen cocoon 

 usually at the foot of a tree. 



This genus is difficult of tabulation from the extreme varia- 

 bility of many of the species. The following is an attempt : 



A. Fore wings purple-brown ; orbicular stigma embraced 



below by a deep black marking. T. gothica. 



A^. Fore wings purple-grey, blackish-grey, reddish-grey 

 or grey-drab; subterminal line broken below the 

 apex. T. instahilis. 



h?. Fore wings dark or pale purple-grey or silvery-grey. 



B. Fore wings pointed ; subterminal line conspicuous, 



nearly straight. T. o^nma. 



B2. Fore wings blunt; subterminal line obscure, rather 



sinuous, dotted. T. populdi. 



A\ Fore wings orange-drab with richer orange-red central 



band. T. miniosa. 



A^. Fore wings drab — yellowish-, reddish-, greyish- or 



brownish-drab. 



C. Upper stigmata large with pale outlines, subterminal 



line distinct, almost straight. T. stahilis. 



C'^. Upper stigmata very obscure ; twin black spots on the 



subterminal line. T. munda. 



C^ Upper stigmata rather obscure, second line dotted ; 



wings pointed and rather triangular. T. (jmcilis. 



C*. Upper stigmata obscure and very small, fore wings 



narrow, dusted ; a small si3ecies. T. cruda. 



1. T. gothica, Z.— Expanse 1| to U inch. Antennge 



