536 VARIETIES. 



numerous pupae (upwards of twenty) which you left with me, 



and I with Lady , one only has given the Sphinx, and 



that was a very beautiful one, of a rose-coloui-ed hue, a variety 

 rarely met with. The remainder of the pupae are in statu 

 guo, and I believe are well. They often take two years before 

 they arrive at their last evolution." [The remainder died. — 

 W. R.] About the same time, I gave Dr. Leach a number of 

 chrysalides ; but I learnt that not one] produced the perfect 

 insect. I have neither taken, nor been able to procure, a 

 single insect, in any state, since 1819, until this year a single 

 chrysalis, which was captured on the 3d of October, and 

 spun itself next day into a place of rest, by attaching the dried 

 leaves of its food together. The person who sent me this, 

 says, " The valley in which you desired me to search is com- 

 pletely filled up by the sand, and the whole surface quite 

 altered by the winds." Captain Blomer, who resided for some 

 years near the locality, and visited it often, was not able to 

 capture one, and Mr. Cocks, an able and very zealous ento- 

 mologist of that vicinity, says, in a letter dated August last: — 

 " It is now ten years since I took the larva; and although I 

 have regularly been in the habit of visiting the locality every 

 year several times, I have never been fortunate enough to take 

 it since." That you may imagine how plentiful they were in 

 the year 1814, I would not then capture any but what were 

 full fed ; and after one day's pursuit, I had forgotten to take 

 any food, and was in the boat, on my return home, when I 

 begged the boatman to put back. It was nearly dusk ; I 

 jumped ashore, and hastily cut an arm full of spurge, and at 

 night put it into water. The next morning, on going to feed 

 the larvae I had brought home, I found the food was covered 

 with, I should suppose (for I did not count them), not less 

 than a hundred minute larvae about a day or two old. I have 

 thus given you my rough notes on this insect. If you think 

 them worth an insertion in your valuable Magazine, they are 

 at your service ; and I remain 



Yours most truly, 

 4, Trafalgar-square, Queen's Elms, "W. RadDON. 



20th October, 1834. 



58. Death of Mr. Say, the American Entomologist. — 

 The death of this illustrious man took place on the 10th of 

 October, 1834, in the forty-seventh year of his age, at 



