DECEMBER 30, IQOI VoL. II, pp. 1ot—108 
PROCEEDINGS 
OF THE 
NEW ENGLAND ZOOLOGICAL CLUB 
DESCRIPTIONS OF SOME NEW BUTTERFLIES OF THE 
GENERA 7HECLA, EUPTYCHIA, TELEGONUS 
AND ACHLYODES. 
BY A. G. WEEKS, JR. 
Thecla sadiei_ sp. nov. 
Habitat: Bolivia, Coroico district. | Expanse: .80 inch. 
Head brown, with a white thread encircling eyes. Thorax dark blue above; 
beneath, dark rich brown, nearly black. Abdomen dark blue above; beneath, 
white, tending to brown toward end. Antennae black, with white annulations 
at base of each joint; tip tawny. Legs brown, with prominent white annula- 
tions at each joint. 
Upper side of fore wing dead black. Below a line drawn from base upward 
to centre of discoidal space and thence to a sixteenth inch from hind margin, 
thence to inner margin, the color is a brilliant blue with some lustre. 
The upper surface of hind wing is brilliant blue with some lustre, excepting 
the subcostal and apical area which is black above a line drawn from base 
straight to hind margin one quarter distance below apex. At end of sub- 
median nervure is a short black tail tipped with white, and at end of next 
nervule above is a shorter tail. The hind margin is bordered by a black 
thread. The nervures and nervules are black at hind margin. Inner marginal 
area dark gray. 
The under side of fore wing is brown. The inner marginal area, up to the 
lower submedian nervule, is light gray. The apex also is light gray, diminish- 
ing to a narrow line on hind margin toward Jower angle. From the very apex, 
within the gray area extending downward from the costa, is a dash of very 
dark rich brown. Across the ground color, extending downward from costa, 
and just within the apical gray area, is a jagged thread of whitish, ending at 
