420 Mr. H. J. Elwes’ catalogue of the 
390. Hebomoria glaucippe. 
Papilio glaucippe, Linn., 8. N., ii., p. 762. 
Common up to 4 or 5000 ft. from March to November. 
391. Ixias pyrene. 
Papilio pyrene, Linn., Mus. Ulr., p. 241 (1764). 
Papilio enippe, Cram., Pap. Ex., t. ev.e, d (1779). 
Papilio evippe, Don, Tl. Ex. Ent., 1., t. v., fig. 2 (17738). 
Papilio rhexia, Faby., Syst. Ent., p. 476 (1775). 
' Thestias enippe, Lang in P. Z. §., 1865, p. 491. 
Thestias pyrenassa, Wall., Trans. Ent. Soc., 1867, 
(poo ibe Ik. HeLa. 
This insect is very common up to about 5000 ft. from 
March to December. The first brood is small, and the 
males vary considerably in the amount of black on the 
hind wings; in some cases there is absolutely none; in 
others it extends in the form of a macular band to the 
anal angle. The females of this early brood are so 
different from those of the later one that they could 
not be supposed to belong to the same species by anyone 
who was not acquainted with the fact that they are only 
found in the early spring. The broods, which come 
out in June, and continue flying till December, vary 
little in either sex. Some very interesting remarks to 
the same effect by Capt. Lang are referred to above; 
but he seems to have found the varieties to the North- 
west Himalaya to be rather local than seasonal, and finds 
ereat differences between those taken in the plains and 
the hills. 
The form described as pyrenassa, var. a, by Wallace, 
from Darjeeling and Sikkit, is not exactly matched by 
any in my collection, but the characters by which the 
species is defined are very inconstant. 
Wallace says that some specimens of pyrene from the 
plains of the Punjab are hardly distinguishable from — 
some of pyrenassa. ‘*'The two may in fact well be con- 
sidered as one abundant and variable species which has 
become segregated into several forms, and which may be 
divided into two pretty well-marked groups.” I venture 
to think that if Mr. Wallace had had before him the 
numerous so-called species which have been recently 
deseribed, he would have said that it was not possible to 
define them. 
