440 Mr. W. Warren on new 
luteous, without markings. Hind wings pale straw-colour, 
yellower towards the hind margin. Underside paler yellow. 
Expanse of wings 24 millim. 
A pair from §, Paolo. 
CHORISTOSTIGMA, gen. nov. 
Fore wings elongate; costa straight, but before apex 
rather strongly convex; apex somewhat produced; hind 
margin oblique, slightly sinuous. Hind wings rounded. 
Labial palpi horizontally porrect, rostriform; maxillary 
small; tongue and ocelli present; antennee of female simply 
filiform, of male short, thick, laminated, curved backward over 
the head; forehead slightly produced and rough-scaled ; scaling 
fine and thick, but not glossy ; markings, two lines and stig- 
mata, the latter remote from each other. 
Type C. plumbosignata (Botys), Fernald, Ent. Am. iv. 
p. 37, superficially reminding one of Syllythria, but at once 
distinguished by the structure of the antennee. 
Choristostigma elegantalis, sp. 1. 
Fore wing pale yellow, with tawny markings; costa suf- 
fused with tawny along basal half; first line indistinct, 
brown ; second line brown, rising nearer hind margin than 
usual, runs parallel to it as far as the second median nervule, 
then curves upwards and inwards, touching the base of the 
reniform stigma, and running along the median nervure 
nearly to the orbicular stigma, finally reaches the inner 
margin at about the middle; a submarginal brown shade 
runs parallel to it, touches it at the elbow, and then forms 
apparently with its lower portion a continuation of the reni- 
form stigma; all the nervules brownish towards the hind 
margin, with brown dots at their extremities ; orbicular stigma 
a flattened oval ringed with brown and filled up with ground- 
colour; reniform large, constricted in middle, edged with 
brown, and filled up with lilac-grey. Hind wing yellowish 
white, with dark central spot and faint traces of a curved 
submarginal band. Underside yellowish, dusted with fus- 
cous ; all the markings clearer. 
Expanse of wings 20 millim. 
Two males from California. 
MIMUDEA, gen. nov. 
Fore wing elongate, pointed; costa straight ; hind margin 
obliquely sinuous. Labial palpi long, porrect ; second joint 
