LEPIDOPTERA HETEROCERA. 837 



Nearly allied to P. U-brevis, from which it may be distinguished 

 by the silvery inarks and by the exterior line of the fore wings. 



a. North America. From Mr. Carter's collection. 



Plusia rutila. 



Fcem. Cinereo-ferruginea ; thorax postice cristatus ; abdomen 

 flavescente-cinereum, ferrugineo cristatum ; pedes graciles, 

 fimbriati ; ala? antica cupreo micantes, lineis quatuor angu- 

 losis nigricantibus ; posticce ameo-cinerea, basi pallidiores. 



Female. Cinereous-ferruginous, pale yellowish cinereous 

 beneath. Palpi erect, rising a little higher than the vertex; third 

 joint lauceolate, much shorter than the second. Thorax with a 

 large erect crest on the hind border. Abdomen yellowish cinereous, 

 with ferruginous crests. Legs very slender ; femora and hind tibia? 

 with a long fringe. Fore wings mostly overspread with bright cu- 

 preous ; four zigzag blackish lines; first line near the base ; second 

 antemedial ; third postmedial ; fourth submarginal. Hind wings 

 aeneous-cinereous, paler towards the base. Length of the body 

 7 lines; of the wings 16 lines. 



a. Jamaica. Presented by Sir J. Hearsay. 



Plusia diminuta. 



Mas. Cinereo-fusca ; palpi suberecti, verticem vix superantes, 

 articulo So lineari ; alee antica cupreo suffusa?, lineis sex 

 nigris subundulatis, litura U-formi guftaque ovali exteriore 

 argenteis ; posticce cupreo -fuse a, basi cinerea, fimbria pallide 

 drier ea fusco interlineata. 



Male. Cinereous-brown, cinereous beneath. Palpi nearly 

 erect, hardly rising higher than the vertex ; third joint linear, more 

 than half the length of the second. Antennae setulose. Abdomen 

 cinereous, extending a little beyond the hind wings ; apical tuft 

 small. Fore wings with a cupreous tinge, and with six black 

 slightly undulating lines, of which three are between the base and 

 the silvery mark, two beyond the mark and one submarginal ; silvery 

 mark consisting of a U-shaped line and of an exterior oval dot. 

 Hind wings cupreous-brown, cinereous towards the base ; fringe pale 



