XXXVlll JOURNAL OF PROCEEDINGS. 



genus Nycteribia, parasitic upon bats, containing also descriptions 

 of ten species, by J. O. Westwood, F.L.S., &c., was read. 



The following Communications were also read, 



A Letter from Mr. J. V. Thompson, F.L.S., of Cork, was read, con- 

 taining " Observations upon the Transformations of the Crustacea and 

 Cirripeda" with the description and figure of the larva of Lepas ana- 

 tifera. 



" Observations upon the habits of Copris Midas, with an account 

 of the receptacles in which it is found during the pupa state, together 

 with additional observations upon Formica indefessa." By Lieut. -Col. 

 W. H. Sykes, F.R.S., &c., by whom the earthen balls in which the 

 pupae were found, and various specimens of the perfect insect were 

 exhibited. 



" Observations upon the (Economy of the Strepsiptera, with the de- 

 scription of Sty lops Spencii, a new British species." By C. Pickering, 

 Esq., M.E.S., by whom this new species, together with the bee from 

 whose body it had been extracted on the 25th of December last, as 

 well as other living bees taken in company therewith, were exhi- 

 bited. 



Additional Observations upon the Strepsiptera. By J. O. West- 

 wood ; by whom numerous figures of these insects in different stages, 

 as well as a variety of specimens of the genera Stylops, Xenos, and 

 Elenchus, and of stylopized bees and wasps were exhibited. 



A lengthened discussion took place upon the subject of the pre- 

 ceding Memoirs. 



The Rev. F. W. Hope exhibited a drawing of the receptacle of 

 the larva of a large East Indian Copris, from the collection of Mr. 

 Royle, and also specimens of Copris Bucephalus, and other species ; 

 and the pupa and imago of a new and large exotic species of Bolbo- 

 cerus. 



The receptacles of the pupse of the Copris, described by Lieut. - 

 Col. S)'^kes, were regarded by several of the Members as the work of 

 the parent insect for the preservation of the ball of dung in the 

 midst of which the e^^ is deposited ; but by others as the produc- 

 tion of the larva itself after it had consumed its supply of food, and 

 previous to its assuming the pupa state ; and several species of Sphinx 

 were mentioned, as affording analogous structures, by Mr. Stephens. 

 The observations of Reaumur upon the proceedings of the larva of 

 the Cucullia scrophularice were likewise alluded to. It was also sug- 

 gested that these hollow balls might be formed by secretions of the 

 larva previous to assuming the pupa state. It was, however, ob- 

 jected by Mr. Letts that the globular form of these receptacles must 

 have been produced by rolling them along by the parent insect, as 



