SOCIETIES. 



137 



Election of Fellow. — Mr. P. C. Willett, of Sipetong, N.B. Borneo, 

 was elected a Fellow of the Society. 



Gynandromorphs. — The President exhibited a collection of gynan- 

 dromorphous Lepidoptera including examples of Orgyia antiqua, Sciapr 

 teron dispar, Stgr., and Papilio (Troides) haliphron, also examples of 

 British caught Colitis croeeus (edusa) one having helice fore- 

 wings and normal hindwings $ ; the other the right side helice, the 

 left, normal ; and right side $ , left ? form of Euchloe cardamines 

 from Epping Forest. 



Colour adjustment of pupa, and bird attacking dragonfly. — 

 Professor Poulton brought for exhibition an example of marked 

 irregularity in the colour adjustment of a Pieris rupee pupa to its sur- 

 roundings ; also, the wings of the dragonfly Mschna g'randis left by 

 a sparrow which had attacked the dragonfly, and eaten the body. 



Variation in Andrena species. — In the absence of the author, 

 Professor Poulton then read a paper by Dr. R. C. L. Perkins on 

 " Variation in Andrena rosea and Andrena trimmer ana," illustrated by 

 a long series of examples of both species. 



Lycaenjds from Provence.— Mr. G. T. Bethune-Baker exhibited 

 specimens of Lycaeninae from Provence (France) to show the large 

 proportion of those more or less leaden coloured taken in the summer 

 of 1920. The scales seen under the microscope were found to be in 

 all cases of the kind ill-developed. 



Various forms of Zygaenids.— Mr. H. J. Turner exhibited an 

 example of a Zygaenid sent him by Mr. Greer from Tyrone suggesting 

 a natural hybrid between Z. lonicera and Z. filipendulae ; 

 also series of the large form of Z. filipendulae occurring abundantly 

 on Box Hill, in which the sixth spot was very weak, and the. first to 

 disappear from wear, together with an example of Z. anceps recently 

 described by M. Charles Oberthiir from Hyeres, and a short series of 

 Z. trifolii race albiana, Obthr., from the same locality. 



A. Mimetic assemblage. — Mr. G. T. Talbot brought a number of 

 specimens of Euploea from the Joicey collection, illustrating a supposed 

 black and white mimetic combination in. the Tenimber Islands, Fiji, 

 and Australia ; and a white banded group in the Key and Aru Islands. 



The rare immigrant M. unionalis. — Mr. Adkin exhibited an 

 example of Mar gar odes unionalis taken at sugar near Arlington, Sussex, 

 a native of southern countries, and probably a migrant to our shores. 



A new British Cionus. — Mr. H. J. Donisthorpe exhibited strings 

 of the so-called "ground pearls," being probably a Margarodes sp. M. 

 formica r urn, Guilding from Jamaica, and two examples of a species of 

 Cionus new to science, swept near Lake Windermere a few years since 

 by the Rev. Canon Theodore Wood. 



A new British Mosquito. — Mr. W. J. Pendlebury showed an 

 unusually dark form of the Carabid beetle Anchomenus dorsalis taken 

 in Brecon, and a variety of the mosquito Theobaldia annulata, first 

 found in Mesopotamia, and described by Capt. Barraud, R.A.M.C; 

 the specimen exhibited being from Earl's Court, October 27th, 1920, 

 and given the varietal name (in MS.) of subochrea, Edwards. 



A collection of P. hastiana. — Mr. G. Sheldon exhibited a series 

 of 243 bred specimens of Peronea hastiana, L., from Sutherlandshire, 

 Wicken Fen, the Isle of Wight, and the coast of Lancashire. The 

 series included most of the named forms, and a number of un -named 

 forms. 



