44 
Psyche 
[March 
ly towards the wing border near their terminations, ex- 
cepting CuP which is strongly convex and 1A which is 
markedly sinuous; four or more cubital cross-veins, two 
of which traverse the subdiscoidal cell and one of which 
forms its base. Medio-anal link very strongly developed 
and a conspicuous feature of the wing. 
Type species of the genus, Litheuphae a carpenteri sp. 
nov. 
Litheuphaea carpenteri sp. nov. 
Fig. 1 
Fore wing 34 mm in length ; nodus situated 12 mm from 
base of wing; greatest breadth of wing 10.5 mm at level 
of distal end of anal vein. Pterostigma 5.15 mm. Anteno- 
dals 37 ; postnodals 50 ca. Two rows of cells between Rii 
and Riii beginning quite near the subnodus; intercalaries 
numerous; reticulation close. Anal vein highly convex and 
with a maximum of nine rows of cells between it and the 
border of wing; 2A strongly developed distal to the anal- 
link. 
Above the impression of the wing, at about the central 
point of the antenodal portion of the wing, is to be seen 
a deep impression, in the bottom of which, in the obverse 
impression is the distinct outline of the lower jaw, so that 
it is evident that the impression represents the head of 
the insect upside down. The formation of the jaw is en- 
tirely similar to that of Euphaea with the median fissure 
as deep as half or more of the jaw and the palps of the 
same length and rounded outwardly. The impression of the 
rest of the head is to be seen only vaguely. 
This species agrees with Epallage by the entire discoidal 
cell ; with Euphaea by the position of the nodus, whilst the 
development of the anal field proximal to the level of the 
anal-link is found only in the recent Dysphaea gloriosa 
Fraser from Laos (Siam). 
Holotype: Museum of Comparative Zoology, No. 4895ab, 
from the Eugene Formation (middle Oligocene), 3 miles 
north of Goshen, Oregon, collected by C. W. Washburne. 
