ENTOMOLOGICAL SOCIETY OF LONDON. 517 



which had produced the total failure of the apple crop during 

 the present season. 



It was announced, that a new Part of the Transactions, and 

 Mr. George Newport's Prize Essay on the Saw-fly of the 

 Turnip, were ready for delivery to the members. 



Sitting of the 3d September, 1838. 



G. R. Waterhouse, Esq. in the Chair. 



Mr. Westwood exhibited a specimen of Claviyer foveolatus, 

 a minute but highly remarkable beetle, not previously known 

 as an inhabitant of this country, which he had captured during 

 the preceding week in an ant's nest in Oxfordshire ; likewise a 

 series of various insects which attack barley in granaries, to- 

 gether with the nests of various species of bees and wasps ; 

 whereupon Mr. Waterhouse made some observations as to the 

 theoretical principles which lead to the hexagonal form of the 

 cell of the hive bee. 



A memoir upon the modifications to which the typical organs 

 of the Diptera are subject, by Mr. Westwood, was read. 



Sitting of the 1st October, 1838. 

 J. F. Stephens, Esq. in the Chair. 



Mr. H. Stuart Taylor presented specimens of the different 

 sexes of a species of wasp, and of Rhipiphorus paradoxus, a 

 singular beetle, which is parasitic in their nest. 



An extended discussion took place, in which several of the 

 members joined, relative to the hexagonal formation of the cells 

 of bees and wasps, in reference to Mr. Waterhouse's theory 

 on the subject. 



The following memoirs were read : — 



1. Notes upon the egg-cases of Blattas, and their parasites. 

 By Mr. Sells. 



2. A few words in reply to Mr. MacLeay's remarks upon 

 the metamorphosis of the Crustacea. By Mr. Westwood. 



3. Observations on the habits of the (Estridw. By Mr. Sells. 



