1911.] 75 



about the same time were observed ? ? of L. niger with short wings. Mr. 

 H. St. J. Donisthorpe remarked that Mrazek had recently shown that the short 

 wings in ? ? of Lasius alienus were caused by the ant being infested by a 

 nematode worm of the genus Mermis, and that Professor Wheeler had foiind 

 this to be the case with short-winged ? ? of L. neoniger in America. He now 

 exhibited a short-winged J of Technomyrmex albipes, Smith, together with an 

 ordinary winged <? which he had recently taken at Kew, and suggested that 

 the former might be cavised in the same way ; also ergatoid <? J of the same 

 species taken at the same time, and two forms of Prenolepis braueri, sub. sp. 

 doiusthorpei, Forel, taken at Kew ; a black form $ ^ ^Ji<J <? taken in the Fern 

 House, and a red form $ $ from the Palm Hoixse. Mr. H. M. Edelsten, series 

 of the following rare British Heterocera : — Dianthoecia luteago var. barrettii, 

 bred 1910, from Devon larvte ; Tapinostola extrema, from Northamptonshire 

 lai'vss, Jixly, 1910 ; T. hellmanni, from larvse taken in Wicken Fen, Jiuie, 1910 ; 

 and a pale variety of Meliana flammea, from larvse collected in the Norfolk 

 Broads. Mr. H. Rowland-Brown, together with typical examples for com- 

 parison, two fine melanic aberrations of Melitsea parthenie, Bork., one of which 

 resembled ab. rhoio, Oberthiir, fi'oni Clelles, Isere ; also two very remarkable 

 black aberrations of Melitiea varia, taken by him in company with Mr. C. J. 

 Johnson, at the top of the Simplon Pass in 1907. Mr. Hamilton H. Druce, a 

 remarkable Nymphaline butterfly from the Himalayas, Parhestina jermyni, 

 n. sp., with Aporia agathon var. phryxe, the Pierid it mimics closely, and read 

 a paper entitled, " Descrij)tion of a new Nymphaline Butterfly from British 

 India." 



Mr. H. St. J. Donisthorpe read a paper entitled, " Further Observations on 

 Temporary Social Parasitism and Slavery in Ants." Dr. T. A Chapman, 

 " Two new species of Lycxnopsis from Sarawak, Borneo." M. Ernest Olivier, 

 "Description of two new species of Luciola in the Collection of Mr. H. E. 

 Andrewes." 



Wednesday, January ISth, 1911 



The Annvial Meeting of this Society was held at 11, Chandos Street, 

 Cavendish Square, when the Officers and Council for the forthcoming session, 

 1911-1912, were elected. Owing, however, to the death of Mr. J. W. Tutt, 

 the President-nominate, no successor to the outgoing President, Dr. F. 

 A. Dixey, M.A., M.D., F.E.S., was chosen, and a Special General Meeting will 

 be held later in the year for' that purpose. Meanwhile, the following Fellows 

 were elected to act as Officers and Members of the Coixncil : — 



Treastu-er: Mr. A. H. Jones; Secretai'ies : Commander J. J. Walker, M. A., 

 E.K, F.L.S., and (in place of Mr. H. Rowland-Bro\vn, M.A., who declined re- . 

 election after eleven years' service), the Eev. G. Wheeler, M.A., F.Z.S. ; Libra- 

 rian: Mr. G. C. Champion, F.Z.S. ; other Members of the Council: Mr. R. 

 Adkin, Mr. G. T. Bethune-Baker, F.Z.S., Professor T. Hudson Beare, B.Sc, 

 F.R.S.E., Dr. M. Burr, D.Sc, F.L.S., F.Z.S., Dr. F. A. Dixey, M.A., M D., 

 F.R.S., Mr. H. St. J. Donisthorpe, F.Z.S., Mr. J. H. Durrant, Professor Selwyn 

 Image, M.A., Dr. K. Jordan, Ph.D., Mr. A. Sich, Mr. J. R. le B. Tomlin, M.A., 

 and Mr. H. J. Turner. 



