( ci ) 



by this date. The Pieris, although it had not chosen the best 

 possible site in the garden, was fairly well hidden amid the 

 thick foliage. The only other occasion on which this species 

 was seen at rest in 1906 was on August 4th, when my friends, 

 Mr. Holdaway and Mr. Constance, and I were sugaring in the 

 " Decoy," Newton Abbot, S. Devon. During the rounds 

 many trees, bushes, &c. were searched with the aid of our 

 lanterns for any strange insects at rest upon the foliage. My 

 attention was first directed by Mr. Constance to a specimen of 

 P. raj)se, at rest upon the whitish under-side of a leaf of the 

 broad-leaved sallow (probably Snlix cap'xa). After this we 

 all three began a more systematic search, and succeeded in 

 finding four additional individuals of the species. The five 

 butterflies were distributed as follows : — Two were on the 

 under-sides of leaves of the broad-leaved sallow ; two on 

 bramble leaves (one hanging fi'om the under-side, and the 

 other sitting on an under-side which happened to be turned 

 uppermost) ; the fifth was found hanging from the under-side 

 of a leaf on a birch bush. The under surface of all these 

 leaves is very pale as compared with the upper surface. 

 These facts seem to me to strengthen the opinion expressed 

 in my former notes (vide " Proc. Ent. Soc. Lond." 1904, p. Ixxv 

 and 1905, pp. Ixxiii, Ixxiv.) that Pieris rajyae, does select for 

 prolonged rest a site adapted to promote concealment." 



Papers. 



" A Permanent Eecord of British Moths in their Natural 

 Attitudes of Rest," by Mr. A. H. Hamm, Assistant in the 

 Hope Department of Zoology in the Oxford University 

 Museum, communicated by Professor E. B. Poulton, F.R.S. 



" Studies of the Blattidjs," by R. Shelford, M.A., F.L.S. 



" Notes on the Life History of Sesia andreneeformis, Lasp.," 

 by the Hon. N. Charles Rothschild, M.A., F.L.S., F.Z.S. 



Wednesday, December 5th, 1906. 

 Mr. F. Merrifield, President, in the Chair. 



Donations, etc. 

 The Hon. Secretary, reading out the list of Donations to 

 the Library since the last meeting, made special reference to 



