i»i6]. Ii43 



of Mr. J. J. Joicey, two species of butterflies from Waziristan, viz., Synchloe 

 lucilla Butl., and Yphthima bolanica Marsh. Dr. C. J. Gahan read a letter on 

 the Mimetic grouping of insects, which had been addressed to him as Keeper of 

 the Entomological Department of the British Museum, by Mr. F. G. Stokes, 

 and said it was very interesting not only in itself, but as a quite independent 

 account of a phenomenon which had been discussed more than once at meetings 

 of the Society. Dr. H. Eltringham gave a short abstract of his paper on 

 " Specific and Mimetic E.elation ships in the Genus Heliconius," illustrated by 

 several coloured lantern slides. In connection with this exhibit, Mr. W. J. 

 Kaye showed foiu* large cabinet drawers of Heliconius, three of which 

 contained what might iiltimately be proved to be forms of the extraordinarily 

 variable species melpomene. Dr. F. A. Dixey showed upon the screen outline 

 drawings of scent-scales and genitalia from various forms of Pieris napi L. 



Wednesda]/, May Srd, 1916. — ^The Hon. N. Charles Eothschild, M.A., 

 F.Z.S., F.L.S., President, in the Chair. 



Messrs. Leonard Charles Box, F.R.H.S., Dominion Experimental Station, 

 Fredericton, New Brunswick, and Leonard Spencer Tatchell, Heathwood Road, 

 Bournemouth, were elected Fellows of the Society. 



Mr. Bacot gave in brief outline an account of some experimental work carried 

 out in Freetown, West Africa, dealing with the hatching of eggs of the 

 mosquito, Stegomyia fasciata. Dr. T. A. Chapman exhibited living specimens 

 of the Sawfly Trichiosoma tibialis Steph., and eight eggs laid in the cuticle 

 of hawthorn leaves. He also exhibited a teratological specimen of a Heteromerous 

 beetle labelled " Odontopus cupreus ? " with additional tarsal joints, and read 

 notes. Mr. E. E. Green, various species of Cassididae, preserved in 2 per 

 cent, formalin, displaying their natural metallic colours, which are lost on 

 desiccation. Prof. Poulton, a living male Celastrina argiolus L., which had 

 recovered after having been stunned for nearly three days by a fall. Mr. H. 

 Willoughby Ellis, a rare British beetle, Amara nitida Stm., taken at Knowle, 

 Warwickshire. Mr. Champion, specimens of Mascaurauxia cyrtica Desbr., from 

 the Landes and Monte Video, an American weevil related to Dorytomus, 

 apparently recently introduced in some way into Fi-ance, where it has been 

 toiuid in numbers under the loose bark of plane trees. The following papers 

 were read: — " Butterflies from Southern Kordofan, collected by Capt. E. S.Wilson, 

 Lancashire Regt.," by G. B. Longstaff, M.A., M.D., F.E.S., etc. " New Chrysids 

 from Egypt and Algeria," by the Rev. F. D. Morice, M. A., F.E.S.— Geo. Wheelbr, 

 Hon. Secretary. 



