SOCIETIES. 



47 



SOCIETIES. 



The South London Entomological and Natural History 

 Society.— October 9tli, 1919.— Mr. Stanley Edwards, F.L.S., President, 

 in the Chair.— Mr. J. K. Leeson, M.D., J. P., F.L.S., of Twickenham, was 

 elected a member. — -Mr. Curwen exhibited Zygaiuids from Soutli Italy, 

 Z. ruhicunclus, Z.erythrus, Z.stcechadis and iih. dubia, und Z .oxytropis ; 

 aberrations of Z. filipendnlcc from Deal ; and Z. trlfoUi ab. minoides 

 from Swinley Woods. — Mr. Moore, Monohamus tiiilata (Col.) from 

 Eotherhithe. — Mr. Barnett, set'ies of the two broods of female 

 Polyommatus icarus, Sm-rey. — Mr. Hy. J. Turner, Dione vaniUce var. 

 maculosa, GaUhodes ethlius and Basilona impcriaUs, all from Cordoba, 

 Argentina. 



October 23rd, 1919.— The President in the Chair.— Exhibition of 

 and discussion on the " Variation in Aglais urticce." The President 

 introduced the subject by referring to the establishment of the genus 

 Aylais by Dolman in 1816. Mr. Hy. J. Turner read a series of notes 

 dealing with (1) the features available for variation, (2) the lines of 

 actual variation, (3) the various named forms which fall into these 

 groups, (4) less frequently occurring forms, (5) extremely rare aber- 

 rations, (6) a reference list of the named forms, and (7) short diagnoses 

 of these forms. — Mr. Sperring read a series of notes dealing with (1) 

 racial series from S.E. London, Essex, Cambridge, Lincoln, Tyrone, 

 Inverness, Kincardine, Paisley and Arran, (2) aberrational and racial 

 variation, (3) characteristics of various named forms which he ex- 

 hibited, and (4) colour aberration caused by applied chemical action. 

 Messrs. A. W. Mera, B. S. Curwen, A. E. Tonge, C. H. Williams, 

 T. L. Barnett, C. Nicholson, R. Adkin, H. B. WiUiams, W. J. Kaye, 

 J. Riches and E. J. Bunnet took part in the discussion and exhibited 

 series or special forms. — -Mr. Curwen exhibited Sirex gigas from 

 Twickenham. — Mr. B. S. Williams, a series of Charaas graminis with 

 variable ground-colour and a specimen with coalesced marking. — 

 ]\Ir. Tonge, a series of Oporabia autumnaria from Preston and 

 Langridge Fell, including a strongly melanic form. — Mr. Frohawk, a 

 small living larva of Nonagria typhcB, already fourteen months old ; 

 a series of Limenitis sibylla, showing gradation from type form to 

 ab. nigrina ; Dryas paphia with somewhat radiated hind wings and 

 others showing coalescence and suffusion of .spots ; and Argynnis 

 cydippe, a series showing gradation in extension of the spotting, and 

 one with only three spots in the row on the hind wing. — Hy. J. 

 Turner, Hon. Editor of Proceedings. 



Lancashire and Cheshire Entomological Society. — October 

 20th, 1919 (at the Royal Institution, Colquitt Street, Liverpool). — 

 Mr. R. Wilding, President, in the Chair.— Exhibits were numerous 

 and varied as is usual at the opening meeting of the session. — Mr. R. 

 Wilding had a large number of Lepidoptera from Cartmel, including 

 a long series of Argynnis aglaia and Brenthis selene ; among the latter 

 was a very fine underside variety. He also showed Plusia festiica 

 from the same locality. — Mr. W. A. Tyerman exhibited, on behalf 

 of Mr. H. M. Hallett of Penarth, a varied series of Bryophila muralis 



