SYNONYMY OF SOME SPECIES OF INDIAN PIERINZ. 509 
B.—Male, with an oval patch of closely-set salmon-coloured scales 
on underside of forewing below submedian nervure, and a 
similarly coloured patch on upperside of hindwing below 
costal nervure. A single spot on disco-cellulars of fore- 
wing on underside. 
T. LHTA group. 
C.—No secondary sexual characters on wings of male. Underside 
more or less irrorated with fuscous scales. Two small dots 
on disco-cellulars of forewing on underside. 
T. LIBYTHEA group. 
D.—No secondary sexual characters on wings of male. Underside 
absolutely fleckless. 7 
T, HARINA group. 
In the hecabe group of Terias seasonal variation is shown by the 
greater breadth of the black markings on the upperside, and also by 
the deeper shade of the yellow in the rainy-season forms, and by the 
underside in the dry-season forms being more or less marked with 
brown, especially towards the apex of the forewing. 
The named forms of this group represented in the National Collection 
may be compared as below :— 
A. With three dark streaks or spots in cell on underside of 
forewing in addition to the reniform spot on disco- 
cellulars (7. selhetana). 
a, Apex of forewing on underside more or less marked with 
brown. (Dry-season forms.) 
T. SILHETANA, Wallace. 
T. uNIForMIs, Moore. 
T. HELIOPHILA, Butler. 
6. Apex of forewing on underside unmarked with brown, 
(Rainy-season forms.) 
T. mERGUIANA, Moore. 
T. moore, Butler, 
B. With never more than two streaks or spots in cell on underside 
of forewing in addition to the reniform spot on disco- 
cellulars (7. hecabe). 
a. No apical brown patch on underside of forewing. (Rainy- 
season forms. ) | 
