258 [December, 



The colouring of these larvae was light pinkish-drab above, and 

 much paler beneath, the darker dorsal line invaribly noticeable betiveen 

 two pale lines (a detail inadvertently omitted in my previous descrip- 

 tion), the tubercular shining spots though blackish on the thoracic 

 segments were on the others of a warm lightish brown : when full- 

 fed and almost ready to spin up, the length was about an inch, and 

 the colouring changed to a very pale yellowish flesh tint except just 

 at each end of the body. 



When all but one were spun up in their cases, and I wished to i 

 examine that one in mature condition, I tried to push it out of its 

 case with a piece of string, but though this passed through from end 

 to end it failed to expel the larva, whereupon I stripped it of the case 

 piecemeal, and kept it unclothed until I had figured it ; then I supplied 

 it with various leaves, but it refused to utilize any of them for a new 

 case, and eventually took up a new position on the stout calico top of 

 its prison ; twice I removed it and put it first on a leaf of bramble, 

 and then on one of beech, but it would persist even a third time in 

 returning at night to the same spot as though it had lost reliance on 

 any leaf, and there it expended five days of hard labour in cutting 

 through and fashioning the tough material into a pasty-shaped case, 

 which it moored to a few leaflets of its food plant, and spun up on 

 the last day of August. 



On October 22nd, I luckily bethought myself of the three perfect 

 insects of last year's brood that emerged in autumn, and at once 

 inspected the pot of this season's pupae and found two perfect speci- 

 mens, male and female, quietly sitting on the leno cover ; this, without 

 disturbing the moths, I removed to a fresh pot, and on the 24th, found 

 presumptive evidence of their having paired, in a patch of the deep 

 yellow eggs laid on the white surface near the bottom. 



Whether in our climate the imago would emerge at this time of 

 the year when under natural conditions I should think is very doubt- 

 ful ; in a warmer climate it seems to be regularly double-brooded, for 

 G-uenee says it flies " en mai, puis juillet et aout ;" perhaps therefore 

 in hot summers a second flight of moths might occur in August with 

 us, but hitherto only one flight has been recorded, the date of which 

 Wood,* Humphreys and Westwood, and Stainton agree in giving as 

 (the beginning of) "June." 



Emsworth : November 5th, 18S0. 



H. and W., " About the beginning of June." 

 St., "VI." 



