1900. ] GROTE—GORTYNA AND ALLIED GENERA. 305 
To give a resumé of our North American species as left by me: 
Gortyna Ochs, 1816. 
Type: G. micacea. 
= Hydrecia Guen. 1841. 
Type: G. nictitans. 
sera* G, and R., harrisi Grote, 
obliqua* Harvey, rigida Grote, 
immanis Guenée, cerina Grote, 
stramentosa Guenée, speciosissima G, and R., 
u-album* Guenée, rutila Guenée, 
purpuripennis Grote, cerussata Grote, 
juvenilis Grote, limpida Guenée, 
erepta Grote, marginidens Guenée, 
nictitans* Linné, appassionata Harvey, 
lusca Harris, impecuniosa Grote, 
americana Spezer, cataphracta Grote, 
var. erythrostigma Haworth, nitela Guenée, 
(a Calif. form comparable with var. nebris Guenée, 
var. lucens Fr.), necopina Grote, 
inqueesita G. and R., serrata* Grote. 
purpurifascia G. and R., 
Ochria Hiibn., 1816. 
Type: O. flavago (ochracea). 
sauzalite Grote, buffaloensis Grote. 
Flelotropha Led., 1857. 
Type: H. leucostigma. 
reniformis Grote, 
var, atra, Grote. 
This last may not be distinct from the European species, but the 
material compared shows certain points of distinction. Both these 
latter generic names are subsequent to the establishment of 
Gortyna with micacea as type, which is simply the oldest generic 
title in the group and, from every point of view, is entitled to 
priority and acceptance. 
Previous to his visit to the British Museum the author of the 
recent Revision depended for his knowledge of most of the de- 
scribed species of Gortyna upon determinations originally made 
