4() [Ftbruary, 



Entomolooioal Socikty of London: Wednesday, December 7fh, 1921. 

 — The Rt. Hon. Lord Rothschild, M,A., F.R.S., etc., President, in the 

 Chair. 



The Secretary again read the list of nominations of Officers and Council 

 for the ensuing year, and said that he had not received any alternative names. 



The following were elected Fellows of the Society : — Messrs. W. Beven 

 Whitney, B.Sc, A.M.Iast.C.E., Glen Doone, Gerrard's Cross, Bucks ; Edward 

 Nevill Willmer, Trailord Hall, nr. Chester, and Corpus Christi College, 

 Oxford ; and John Glover Hugo Frew, M.Sc, 262 Church Road, Yardley, 

 Birmingham, and Rothamsted Experimental Station, Harpendeu. 



The Secretary expressed the hope that the informal meeting to be held on 

 January 4th, 1922, between 5. '30-7. 30 p.m., would be well attended, and said 

 that Dr. Cockayne had kindly offered to show the effect of fluorescence on 

 butterflies, an exhibit which would be of great interest to Fellows. 



Professor H. Maxwell-Lefroy exhibited, on behalf of Dr. A. Moore, a new 

 method of preserving insects. Mr. G. Talbot discussed the existence in Africa 

 of a remarkable Pajnlio of the antimachiis group, and also exhibited, on behalf 

 of Mr. J. J. Joicey, a gynandromorphou.s example oi Arytjnnis hyperbius castesti. 

 Mr. R. Adkin brought for exhibition a series of Aylais urticae ; this exhibit 

 gave rise to some di>cassion on the comparative rarity of A. urticae in 1921, 

 and on the relative abundance and apparent spread in the South of England of 

 Vanessa c-albuni. Mr. W. J. Kaye exhibited IIelico)iius from Trinidad, and a 

 remarkable Erycinid, Nyviiyhidium inaravalica, Vi'ith its supposed model, Adelpha 

 ipliicla. Professor E. B. Poulton, F.R.S., black varieties of the Longicorn 

 beetle, Grammoptera analis, on behalf of Mr. Joseph Collins ; he also gave an 

 account of some observations of Mr. A. IL Hanini on the third brood of Heodes 

 ph/aeas from the Newbury district in 1921, and exhibited the specimens referred 

 to. Mr. R. Stenton, some living JNIautids bred from an egg-case taken by 

 Mr. J. C. F. Fryer on an imported Japanese maple. 



The following papers were read : — " Descriptions of South American 

 Micro-Lepidoptera," by Mr. E. Meyrick, B.A., F.R.S., F.Z.S. ; "Notes on 

 Orthoptera in the British Museum, II Group, Calliptamini," by Mr. B. 

 Uvarov. 



Mr. C. Nicholson read some notes on Vespidae, and on a remarkable nest 

 of respa vulyaris, illustrated with lantern-slides. 



THE BEITISH SPECIES OF HALICTUS AND SPHECODES. 

 BY R. C. L. PEBKIKS, M.A., D.SC, F.Z.S. 



For the purpose of tabulation the British Ilalicfl are here divided 

 into three groups, the second containing by far the greatest number of 

 species. This group is, however, composite, and contains more than one 

 of the subgenera that have been proposed hj those who have divided 

 tliis extensive genus. 



The groups may be distinguished as follows : — 



