LEPIDOPTERA HETEROCEKA. 913 



rior lines double, dark brown, slightly angular ; orbicular and reni- 

 form spots with pale and broader deep black borders, the former 

 oblique, irregularly oval; marginal line black ; discal mark silvery, 

 oblique, irregularly V-shaped ; cilia? broad. Hind wings luteous, 

 with broad blackish borders. Length of the body 5 lines ; of 

 the wings 12 lines. 



a. Rocky Mountains. Presented by the late Earl of Derby. 



56. Plusia secedens. 



Mas. Clnereo -nigra ; abdomen fuscescente-cinereum ; antenna 

 subciliatce, subtus rufescentes ; palpi pilosis articulo So brevi ; 

 alee anlicce obscure fuscce, fasciis nigris indistinctis incom- 

 pletis, linea submarginali maculari, orbiculari indislincta, 

 reniformi argenieo submarginata, ciliis albo guttatis ; postica 

 lulece, margine lato cupreo-fusco, 



Male. Black. Head and thorax with many cinereous hairs. 

 Abdomen browuish cinereous. Palpi pilose; third joint short. An- 

 tennae very minutely ciliated, reddish beneath. Fore wings dark 

 brown, with indistinct and incomplete black bands ; submarginal 

 line macular; orbicular spot indistinct; reniform partly bor- 

 dered with silvery white; the usual metallic discal mark obsolete; 

 cilia? with white dots. Hind wings luteous, with broad cupreous- 

 brown borders. Length of the body 5 J lines; of the wings 13 

 lines. 



This species has some affinities with Hadena, and may perhaps 

 form a new genus. 



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

 Dr. Barnston. 



West Indies. 



Group I. 

 Like the first European group. 



57. P.LUSIA ILLUSTRATA. 



Foem. Viridescente-cinerea ; palporum articulus 3ns brevis ; alee 

 anticce lineis transversis pallidioribus, macula postica trigona 

 aurata ; postica pallida, subangulatce, basi subhyalince y mar- 

 gine nigricante, ciliis albidis. 



Plusia illustrata, Guen. NocL ii. 328, 1137. 

 Haiti. 



4 I 3 



