( Ixi ) 



bottles for the purpose. The violet cages or frames are 

 covered with glass when placed in a cool greenhouse, with 

 perforated zinc when out of doors. I have also used for the 

 latter a removable top covered with mosquito netting. This 

 can be stored during the winter to preserve it from rotting. 

 The larvtB seem to do better, and certainly feed up much 

 faster in the greenhouse. 



I should mention all my out-of-doors cages are built on 

 water to exclude vermin ; first I build a huge table with six 

 to nine legs, these legs each stand in a bucket which is well 

 tarred and filled with water, then on the top of this table I 

 build up the cage. 



I have had plenty of valezina sent me and have bred from them 

 a fair percentage of this variety, but no intermediate forms. 



Colour derivation of Leucothyris zelica. — Mr. W. J. 

 Kaye showed a synaposematic series of specimens from Ecuador 

 comprising Ithomiirice and Pierinae. Of the former there were 

 Dircenna zavaletta 5$ 2$, and Leucothyris zelica 14 (? 

 9 . Of the latter there were Dismorphia otJwe 1 5 cj 6 $ , 

 Dismorphia leicconia, 7 cj 1 ? , and Dismorphia sp. ?, 4 9 • The 

 whole of these specimens had been purchased unset in a 

 parcel of papered specimens, and information as to exact 

 locality and whether any specimens of these species had been 

 previously removed was vmfortunately wanting. 



Mr. Kaye pointed out that the usual coloration of Leioco- 

 thyris species was black and transparent, but here was one, 

 L. zelica, which was yellow, and the significant fact illustrated 

 by the exhibit was that there were in the aggregate more 

 Pierines than Ithomiines, and taking L. zelica alone there 

 were only 14 specimens to the 33 of the associated Dismorphias. 

 It appeared therefore to be quite possible that the L. zelica 

 obtained its yellow colouring by the association with the 

 Pierines and played the part of mimic instead of model. 



OviPOSiTiON OP A Leucania. — Mr. H, M. Edelsten ex- 

 hibited a tube containing ova of Leucania brevilinea, in situ, 

 laid within the sheathing leaf of a dead reed-stem found in 

 Norfolk in July 1908. 



Forms of Aplecta nebulosa. — Mr. A. Harrison showed 

 numerous examples of Aplecta nebulosa, of the form robsoni, 



