THE CANADIAN ENTOMOLOGIST. 139 
which I should not be glad of, even to Pieris oleracea, Grapta faunus, and 
Danais chrysippus. Thus even the commonest species would be very 
acceptable. My plan is to send a large box from Liverpool once a year, 
instead of smaller ones, though I occasionally forward lesser ones by 
post. Address :—Dr. JoRDAN, 35 Harborne Road, Edgbaston, Birming- 
ham, England. [We take this opportunity of thanking Dr. Jordan for 
the little box, containing 46 species of beautiful English Lepidoptera, that 
he so kindly sent us. ‘They came by post, and, thanks to careful packing, 
arrived in excellent order. As soon as we obtain a little leisure we shall 
return the box—not empty.—Ep. C. E.] 
PIERIS RAP#.—This destructive pest of the cabbage and allied plants 
has now come as far west as Port Hope ; it is almost as abundant in our 
garden as the common Colas philodice. No doubt it will proceed as far 
as Toronto before the close of the season. We have not yet perceived 
any particular depredation from its larvæ in the kitchen garden, but we 
fear that we shall not long enjoy this immunity.—-C. J. S. B. 
SEMBLING.-—On the i9th of June last a fine female Cecropia Emperor 
moth issued from its cocoon, which had been cut from an apple tree and 
kept in my study for some weeks. Being anxious to try the virtues of the 
process of ‘sembling,” I fastened its wings by an ordinary spring clip 
and exposed it on my verandah for several nights without success; the 
evenings were fine and cool. On the 28th, the evening being warm and 
misty after a shower, the moth was exposed as usual on an empty flower- 
stand, just outside of an open window ; inside the room on a table alamp 
was kept burning. About 11 o’clock, p.m., I entered the room and 
observed nothing but a few ordinary Noctuae flying about ; on returning, 
however, an hour later, I was amazed to find four splendid specimens of 
the male Cecropia quietly at rest upon the table and lamp; a few 
moments after a fifth came in and flew wildly about the room, succeeded 
in a little while by a sixth! They were all in excellent order and 
evidently fresh from their cocoons. As I had kept the female so long in 
confinement, I determined not to continue the experiment any longer ; I 
accordingly dispatched five of the males with chloroform, while the sixth 
was left with the object of his attraction. The result was a large batch 
of eggs and subsequent larvae. As the female was entirely hidden from 
view underneath the window, and was not found by the males, who entered 
the room to the light instead, flying but a short distance over the fair one 
of whom they were in search, it is evident that they were guided to the 
