93 



761. tranquilla Grt. California. 



sambuci Behr. 

 var. viridula Grt. 



Gen. Cosniia Hbn. 1806. 

 Type: C. affinis. 



762. orina Gu. Canada to Texas; California, 

 var. calami Harvey. 



? canescens Behr. 



Gen. Ipimorpha Hbn. 1818. 

 Type: S. subtusa. 

 = Plaste nis Boisd. 



763. pleonectusa Grt. Eastern and Middle States to Colorado. 



aequilinea Sm. 



764. subvexa Grt.*) Texas. 



Gen. Trilenca Grt. 1883. 



Type: T. buxea. (Sra. restr.) 



765. buxea Grt. Texas. 



766. dentalis Sm. Texas. 



767. guluare Streck. Pennsylvania; Illinois. 



Gen. Atethmia Hbn.**) 1818. 

 Type: A. subusta. 

 767. subusta Hbn. Florida; Texas; Mexico southwardly. 



769. inusta Gn. Same localities. 



an spec. dist.? 



770. rectifascia Grt, Middle and Southern States. 



Gen. Cea Grt. 1883. 



771. Immaculata Grt. Arizona. 



*) My type should be in Brit. Mus.: I am in some doubt that it repre- 

 sents a species really distinct from the preceding. From an examination 

 of the type specimen of Mesogona intexta Harvey, I came to the 

 conclusion that the example had been remounted and that it was of European 

 origin, referable to M. oxalina Hbn. 



**) The type of Atethmia Verz. 238, is wrongly taken by me in 1874 

 as xerampelina. Guen6e raakes this in 1852 the type of Cirroedia. Hence 

 Atethmia must be retained for subusta and our N. American species. Onr 

 North American Eucirroedia pampina seems to me generically distinct from 

 the European Cirroedia xerampelina by the inore robust form and the 

 shape of external margin of priinaries. The type of Cosmia is C. affinis 

 Hbn. Tent. 1806. Ochsenheimer includes six dissonant species nnder Cosmia 

 in 1816, citing Hübner for the narae. Henceforth the name becomes mis- 

 applied for the structural type paleacea. Whether our North American 

 species C. orina is congeneric with Cosmia affinis, I caunot now decide; 

 it seems to me not. Calymnia Hbn. Verz. 1818, appears to me a synonym 

 of Cosmia Hbn. 1806. With the type of Cosmia faffinis) Hübner inciiides 

 trapezina, apparently a congeneric species. Paleacea is sole siiecies 

 therefore type of Enargia, Hübner, in the Verzeichniss, divides tlie siiecies 

 referred by Ochsenheimer to Cosmia, under the genera Enargia (pale- 

 acea), Calymnia (trapezina, affinis, this latter the true type of Cosmia) 

 and Eustegnia ^diffinis, pyralina). With regard to Cosmia peropho- 

 roides Strecker, cited here by Smith, it is eitber the Notodontid Hyparpax 

 aurora or a closely related species of Hyparpax; see my III. Essay ib, 1882. 



