LEPIDOPTERA HETEROCERA. 905 



Group 2. 

 Like the fourth European group. 



39. Plusia Thyatyroides. 



Cinerea ; abdomen pallidum ; alee antics plagis tribus (una basali, 

 2a costali exteriore, Sa postica) albido-carneis, vitta obliqua 

 discali, guttis duabus anticis strigaque arcuata subapicali 

 nigris, U punctoque oblongo discalibus argenteis ; posticce 

 margine lato obscuriore. 



Plusia Thyatyroides, Guen. Noct. ii. 337, 1158. 



a, b. New York. Presented by E. Doubleday, Esq. 



c, d. Orilla, West Canada. From Mr. Bush's collection. 



40. Plusia U-brevis. 



Cervina aut rufescens ; abdomen cinereum ; aim antica maculis 

 costalibus fasciisque diffusis nigricantibus, fasciis interioribus 

 et reniformi ex parte argenteo marginatis, maculis duabus 

 discalibus argenteis, una subcyathiformi et lunula antica ar- 

 gentea connexis, altera magna subovata ; postica subcuprece. 



Plusia bimaculata? Steph. III. Brit. Ent. Haust. iii. 101. 



Plusia U-brevis, Guen. Noct, ii. 341, 1163. 



Phalaena-Noctua Protea ? Cram. Pap. Exot. iv. 244, pi. 400, f. M. 



Surinam. 



a. United States. Presented by E. Doubleday, Esq. 



b. Nova Scotia. From Lieut. Redman's collection, 

 c. ? 



Group 3. 

 Like the fifth European group. 



41. Plusia biloba. 



Ferruginea ; abdomen cinerascens ; ala antica cupreo-ferruginea^ 

 lineis duabus basalibus transversis undulatis subargenteis, 

 plaga discali antice incisa lineolaque anteriore arcuata, argen- 

 teis ; posticce subcuprea?. 



