LEPIDOPTERA HETEROCERA. 233 



24. Mamestra contenta. 



Fusca aut cinerea ; thorax fasciis indistinctis obscurioribus ; ab- 

 domen cinereum ; alee anticce lineis transversis angulosis palli- 

 dioribus nigro aut fusco marginatis, maculis reniformi et 

 orbiculari magnis distinctis, guttis costalibus albis, lunulis 

 marginalibus nigris ; posticce cinerece, fusco marginatce, ciliis 

 albidis. 



Brown or cinereous. Thorax with indistinct darker bands. 

 Abdomen cinereous. Fore wings with transverse angulose paler 

 lines, which have blackish or brownish borders ; reniform spot and 

 orbicular spot large, distinct, their borders like the transverse lines 

 in colour; some white dots towards the tip of the costa, and a mar- 

 ginal row of black lunules. Hind wings cinereous, with brownish 

 borders and whitish ciliae. Length of the body 7 lines ; of the wings 

 17 lines. 



a — d. Nova Scotia. From Lieut. Redman's collection. 



25. Mamestra unicolor. 



Fcem. Murina ; abdomen cinereum ; alee anticce lituris costali- 

 bus et nonnunquam basalibus nigris, maculis reniformi et 

 orbiculari non bene determinatis ; posticce albidce, cinereo 

 marginatce. 



Female. Mouse-colour. Abdomen cinereous. Fore wings 

 with some black costal marks, and a few black basal marks, the 

 latter sometimes obsolete ; reniform and orbicular ringlets variable 

 as to shape, and more or less incomplete. Hind wings whitish, 

 with cinereous borders. Length of the body (5—7 lines ; of the 

 wings 16 — 18 lines. 



This may be the female of M. Passer. 



a—d. Trenton Falls, New York. Presented by E. Doubleday, 



Esq. 

 e. St. Martin's Falls, Albany River, Hudson's Bay. Presented by 



G. Barnston, Esq. 

 f—h. Nova Scotia. From Lieut. Redman's collection. 



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