598 MR. H. H. DRUCE ON NEOTROPICAL [June 18, 



this insect at once. The outer margins of both wings appear more 

 convex than in T. ericeta. 



Thecla mulsus, sp. n. (Plate XXXV. fig. 10.) 



Male. Allied to T. elana Hew. *, but differs in the upper side 

 being more purple in colour, and on the under side in the fore 

 wing being unmarked and the hind wing lacking the white spots 

 on the costal margin. 



Female. Upper side pale brown ; inner margin of fore wing and 

 discal and basal areas of hind wing pale shining blue. Under side 

 as in male. 



One long black tail in both sexes, tipped with white. 



Expanse li inch. 



Hah. Tapajos, Amazons {Bates). 



Types, Mus. Godman. 



Also much like T. gadira Hew.f on upper side, but has a tail. 



Thecla levis, sp. n. (Plate XXX Y. fig. 14.) 



Male. Upper side i-ich dark blue ; costa of fore wing broRclly 

 black at the base ; apex and outer margins broadly black, 

 abdominal margin cream. A small black brand at the end of the 

 cell. Under side : ground-colour rich cream, fore wing with basal 

 and discal area pale brown sharply defined at its outer edge. A 

 submarginal row of indistinct brownish lunules. Hind wing \ a 

 broad, median, irregular brown band, commencing on the costal 

 nervure, becoming broadest towards the centre of the disc, where 

 it is angulated and becomes linear to the middle of the anal 

 margin. A submarginal row of small distinct lunules. A bright 

 red spot at the anal angle and a smaller one between the lower 

 median nervules adjoining the brown lunule. 



Abdomen black above ; cream below. Hind wing without tails. 



Expanse 1|- inch. 



Hah. Para, Amazons. 



Type, British Museum, 



Not closely allied to any species described, but may prove to 

 belong to the group which contains T. gadira Hew.f, although it 

 has a smaller and circular brand. 



Thecla conchylium, sp. n. (Plate XXXY. fig. 12.) 



Male. Allied to T. norax G. & S.J Upper side : outer mai"gins 

 more nai-rowly black, especially on the hind wing ; brand on fore 

 wing much smaller, paler, and indistinct. On the under side the 

 red dot bei;ween the lower median nervules of the hind wing is 

 absent, whilst that at the anal angle is very minute. 



Female. Upper side dark brown ; innei- margin of fore wing 

 and discal areas of hind wing shining blue. Under side as in male, 

 but with red marginal spot on hind wing as in T. gadira Hew. t 



* Thecla elana Hew. III. Diur. Lep. p. 170, pi. 67. fia:s. 482, 483. 



t Thecla gadira Hew. HI. Diur. Lep. p. 113. pi. 44. figs. 181, 182. 



X Thecla norax G. & S., B. C.-A., Rhop. vol. ii. p. 59, pi. 55. figs. 17, 18 (1887). 



