158 
CERATOCAMPA IMPERIALIS. 
The nearly allied species Aglia Tau, has the 
wings testaceous, with a large discoidal subviolace- 
ous ocellus on each, having a white mark like the 
letter T as a pupil. It is a native of Europe, and 
was introduced by Martyn, in his Aurelian's Yade 
Mecum, as a native of Britain ; no doubt through 
some mistake, for his statement has never been con- 
firmed. 
CERATOCAMPA IMPERIALIS. 
PLATE XVII. Fig. 1. 
Bombyx imperialis, Fair. Gmel . — Phalcena imperatoria, Abbot 
and Smith, Lepid. Gear., ii. pi. 55 Ceratoeampa imperialis, 
Harris, Westwood's Dniry, i. pi. 9, figs. 1, 2. 
Tins genus was proposed by Kirby, under the name 
of Cerocampa, for the reception of the insect above 
named, and that delineated on the following plate. 
The term was subsequently changed by Dr. Harris 
(Append, to Hitchcock’s Geology of Massackuscts) 
to that above used (derived from xioara, cornua, 
and xafiirr), eruca J, and the change has been sanc- 
tioned by some recent authors adopting it. Although 
Kirby designed the genus as constituted by him to 
include both B. imperialis and B. regalis, Fab., nei- 
