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Published online by Cambridge University Press: 31 May 2012
On the evening of Saturday, May 22nd, 1886, being the first warm evening after the electric light system was started in London, hundreds of “electric light bugs” (Camptobrochis grandis) and large green Calosomas (Calasoma scrutator) came into the city, and form that time on throughout the summer, and even as late as Nov. 2nd, the lights continued to attract hundreds of insects every warm evening.
* This butterfly I did not see in motion; it was in rather a sleepy condition, and may possibly have flown there during daylight.
† Eigt specimens of this month were taken in London about this time.
* None seen between July and September; those talken in the fall were larger and darker than in the summer.
† At the time of collecting I did not know the difference between these two species of Datana; judging from the specimens taken they were probably both quite common.
‡ August 24 was the first time I took this moth, and on that evening it was very common.
* Very common on June 28, when I saw it for the first time this season; afterwards a few only were seen for a week or two, after which I did not see it again.
* Saw for the first time on June 28, when it was very common; a few only were to be seen the next three or four evenings, after which I did not see it again.
