Grote.] 142 [June 16, 
specially studied. I have also omitted the synonyms and subgenera. I 
follow this list by a discussion of the twenty-four groups into which I have 
divided the genera, and conclude the paper by special generic descriptions. 
I trust this paper will be of general service to the student, and it. is 
offered as my probably final contribution to a knowledge of this interest- 
ing group. The paper was written for the most part several months ago, 
and was intended to be of wider extent, and include some plates which I 
cannot now give. 
SYSTEMA NOCTUIDA AMERICA BOREALIS. 
I, THY ATIRID A, 
Habrosyne I[ubn. 
Scripta Gosse. 
Pseudothyatira m. 
Cymatophoroides Gwen. 
var, Expultrix m. 
Thyatira Ochs. 
Pudens Guen. 
Lorata m. 
Bombycia Hubn. 
Semicircularis m. 
Improvisa //y. dw. 
Leptina Guen. 
Ophthalmica Guen. 
Australis m. 
Doubledayi Guen. 
Dormitans Guen. 
Latebricola m. 
II. NOCTUID 4. 
1. Dicopine. 
Butolype im. 
Rolandi m 
Dicopis m. 
Muralis m. 
Viridescens Walk. 
Klectilis Morr. 
Depilis m. 
Thaxterianus m. 
Damalis m. 
Copipanolis m. 
Cubilis m. 
2, Apatelina. 
Andela Walk. 
Acromyctoides Walk. 
Platycerura Pack. 
Furcilla Pach. 
Charadra Walk. 
Propinquilinea m. 
Derideus Gwen, 
Dispulsa Morr. 
Palata m. 
Raphia [ubn. 
Abrupta m. 
Hywater m. 
Feralia m. 
Jocosa Guen. 
Momaphana m. 
Comstocki m. 
Diphthera Hubn. 
Fallax H.-S. 
Apatela Hubn. 
Occidentalis G. and R. 
Morula G. and R. 
Thoracica m. 
Faleula m. 
Parallela m. 
Albarufa m. 
Paupercula m. 
Vinnula m. 
Quadrata m. 
Tota m. 
Americana JTZarr, 
Dactylina m, 
Spinea m. 
Lupini m. 
a 
