336 Mr. R. Trimen’s Votes on 
Zool. Soc., Nov. 1863), whose laborious researches for eleven 
years in South America give great weight to his opinion. 
16. Cyllo Leda, Linn. 
A very common butterfly in Mauritius, and distributed through- 
out the greater part of Africa, Asia and Australia. It is always 
found in shady spots, where it rests upon the ground or upon 
dead leaves, often under low bushes, and, when disturbed, rises 
with a heavy, flapping, but very irregular flight, and almost in- 
variably settles before it has gone many yards. In the dark 
alleys between the rows of sugar canes this butterfly may always 
be found, though it is not easily caught in such narrow spaces. 
Towards sunset the insect seems to become more active, and is 
often met with flying about roads and open spots: indeed, at 
Flacq, on the Eastern coast of the Island, I watched several 
specimens of Leda chasing each other in the dusk of the evening 
till it became too dark to see their movements any longer, but, as 
long as they were visible, I noticed that their flight was circular 
in its direction, and always near the ground, about one spot. 
Many of the moth-like Hesperide, as is well known, are on the 
wing about, or even a little after sunset, but Leda is the only in- 
stance known to me of a butterfly belonging to the higher groups 
that keeps such late hours. Besides the place named, Port Louis, 
the mountain La Ponce, Réduit, Riversdale, and Riviére du Rem- 
part, are localities in which I met with the species. M. Maillard 
describes it as “ very common”’ in Bourbon. 
17. Mycalesis Narcissus, Fabr. 
This appeared to me to be certainly the most abundant butter- 
fly in Mauritius. It was to be found everywhere in shady spots, 
but seemed especially to prefer wood-paths, and the dry channels 
of watercourses on the mountain sides. It is an active flier for a 
Satyrus, though constantly settling. I took specimens in every 
locality that I visited. It is “common” in Bourbon, according to 
M. Maillard, and “ very common” in Madagascar according to 
Boisduval. The latter author's remark that this insect presents a 
paler and yellower under-surface in Madagascar is borne out by 
some specimens from that Island given me by Mr. Caldwell, 
which are both larger and universally paler than the Mauritian 
examples. 
