484 Records of the Indian Museum. [Vor. XI, 
It has been extremely difficult to find convenient limits to the 
subject in hand; for notes on habits pass by almost imperceptible 
gradations into notes on mimicry, development, crop-protection, 
sanitation, etc. I have not attempted to go through the rapidly 
increasing literature on Indian ‘‘ economic”’ entomology; because, 
although it undoubtedly contains much that is of scientific interest, 
I doubt whether the records obtained would be worth the time 
involyed—especially as a large proportion of these have already been 
brought together in Lefroy’s ‘‘ Indian Insect Life’’, Patton and 
Cragg’s ** Text-book of Medical Entomology’’, Fletcher’s ‘‘ South 
Indian Insects’’, and Stebbing’s ‘‘ Indian Forest Insects”’, text- 
books all of comparatively recent date. 
Nor have I attempted to go through ell the literature on 
Indian Butterflies, a very large proportion of which appears in 
the Journal of the Bombay Natural History Society. Much of the 
earlier work done on this group was brought together in Marshall 
and de Nicéville’s well known ‘‘ Butterflies of India, Burma and 
Ceylon.’’ It may therefore be mentioned here that the Indian 
Museum possesses the latter author’s file copy of this work, exten- 
sively interleaved with published and unpublished notes and 
figures, and continued in manuscript to deal with Pierinae and 
Papilioninae. The remaining parts were sent to Col. Bingham for 
use in connection with the unfinished butterfly volumes of the 
‘* Fauna of British India”’ series, and unfortunately appear to have 
been lost at the time of his death. 
Such observations on butterflies and their larvae and pupae as 
have come under my notice have been carefully sifted, and only 
those that seem likely to be of general interest have been referred 
to below. But in other groups recorded observations are so com- 
paratively few that even the most trivial often seems worth 
noting; and I have thought it best to include as wide a range of 
them as possible. I am indebted to Dr. N. Annandale, Mr. T. 
Bainbrigge Fletcher, Mr. C. Beeson and Mr. E. E. Green for a num- 
ber of references. I am also indebted to these and other observers 
for several original notes, each of which is separately acknowledged. 
INSECTA. 
THYSANURA. 
Cunninghani (‘‘ Plagues and Pleasures”’!, p. 190) notes that 
‘* fish-insects ’’ prefer ‘“‘ size” to paper, but eat the latter also. 
Lefroy (J.B.N.H.S.* XIX, pp. 1006-7), who used Acrotelsa collaris, 
Fabr., as food for the larvae of Croce filipennis, Westw., reared the 
former from the egg, feeding it entirely on paper. The eggs, which 
were white, soft, and of an oval shape, were laid loosely among 
the paper. 
' “Plagues and Pleasures of Life in Bengal”’, by Lt.-Col. D. D. Cunning - 
ham, C.1.E., F.R.S. (London, 1907). 2 : 
» Fournal of the Bombay Natural History Society. 
