186 THE CANADIAN ENTOMOLOGIST. 



and resembles the European Agrotis speciosa, as a Polia, a genus in which 

 the tibiae are unarmed, must be my apology for having recently re- 

 described the species as Agrotis Baileyana in the pages of the North 

 Am. Entomologist. 



Mamestra thecata Morr., Prcc. Ac. N. S., Phi!., 59, 1875. 



This is Graphiphora ( Taeniocampa ) contrahens Walk., sp. as deter- 

 mined in the D'Urban collection. Where Walker described it is not 

 known to me at this time. It is not a Mamestra, but a Graphiphora. 



Mamestra curta Morr., Ann. N. Y. Lye. N. H., 96, 1875. 

 Orthosia perpura Morr., Proc. Ac. N. S., Phil., 66, 1875. 



These two are identical, the habitat of perpura being erroneous. The 

 species is Anarta nivaria, thus twice described by Mr. Morrison, once 

 under Mamestra, in which genus the eyes are hairy, and once under 

 Orthosia, in which they are naked. 



Hadena norma Morr., Can. Ent., 7, 216. 



Lithacodia penita Morr., Proc. Ac. N. S., Phil., 71, 1875. 



This is Eustrotia mariae Grote, a frail species, varying much in size. 

 It is certainly not a Hadena or a Lithacodia, but belongs, I believe, to 

 Eustrotia ( Erastria). Penita is a dark specimen, but evidently the same 

 thing. Mr. Morrison's generic references are confusing. 



Actinotia derupta Morr., Proc. Ac. N. S., Phil., 62, 1875. 

 This is Prodenia phytolaccae. A. & S. 



Orthosia differta Morr., Proc. Ac. N. S., Phil., 67, 1875. 



This is a re-description of Pyrrhia iiliterata Grote, Proc. Ac. N. S., 

 Phil., 211, 1874. I think aurantiago Guen., not very fully described, is 

 an older name for this species. 



Polia aspera. 



Acronycta aspera Morr., Proc. B. S. N. H., 132, 1874. 



Polia diffusilis Harvey, Can. Ent., 10, 56. 



Mr. Morrison compares his species with Acronycta subochrea, than 

 which nothing could be more misleading, and sufficiently excuses the re- 

 description of the species. The type is a female in poor condition, and 



