SOCIETIES. Fi 
SOCIETIES. 
Tae Sourn Lonpon EnromotoaicaL and Naturat History Soctery. 
October 9th.cNew Memper.—Dr. T. R. Leeson, M.D., J.P., F.L.S., 
of Twickenham, was elected a member. 
ZyeaEnips From §. Irary.—Mr. Curwen, Zygaenids from S. 
ltaly, 7. rubicundus, Z. erythrus, Z. stoechadis, and ab. dubia, and Z. 
oxytropis ; aberrations of 4. filipendulae from Deal ; and Z. tripolii ab. 
minoides from Swinley Woods. 
Ay Iuuicrant Loneicorn.—Mr. Moore, Monohamus titilata (Col.) 
from Rotherhithe. 
P. 1cARUS, FEMALES OF Two BRoopS.—Mr. Barnett, series of the two 
broods of female Polyommatus icarus, Surrey. 
S. American Lepmoprera.—Mr. Hy. J. Turner, Dione vanillae var. 
maculosa, Calthodes ethlius, and Basilona imperialis, all from Cordoba, 
Argentina. 
October 23rd.—EHxHIBIvION OF AND DISCUSSION ON THE VARIATION IN 
Aeuais urtican.—The President introduced the subject by referring to 
the establishment of the genus Ayglais by Dalman 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, (8) 
the various named forms which fall ito these groups, (4) less fre- 
quently occurring forms, (5) extremely rare aberrations, (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 §.E. London, Essex, Cambridge, Lincoln, Tyrone, Inverness, 
Kineardine, Paisley, and Arran, (2) aberrational and racial variation, 
(3) characteristics of various named forms which he exhibited, and (4) 
colour aberration caused by applied chemical action. 
8. gigas.—Mr. Curwen exhibited Sirex gigas from Twickenham. 
Variation 1n C. Graminis.—Mr. B. S. Williams, aseries of Charaeas 
graminis with variable ground colour and a specimen with coalesced 
marking. 
Menanic O. autumnaria.—Mr. Tonge, a series of Oporabia autum- 
naria from Langridge Fell and near Preston, including a strongly 
melanic form. 
Aperration oF British Nympnanips. N. TYPHAE TWO. YEARS AS A 
LarvA.—Mr. Frohawk, a small living larva of Nonagria typhae, already 
fourteen months old; a series of Limenitis sibilla showing gradation 
from type form to ab. nigrina ; Dryas paphia with somewhat radiated 
hindwings, 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 hindwing. 
November 18th, 1919.—Dxcrasz or a Memper.—The decease of Mr. 
W. J. Ashdown (1895) was announced. 
Appition To THE Socrety’s Co~nEections.—On behalf of the Rey. 
C. R. N. Burrows, a series of larval cases of various species of British 
Psychides were presented to the Society’s collections. 
IixHIBITION AND Discussion oF N. xanrHoGRAPHA.— Series of Noctua 
wanthographa were exhibited by Messrs. R. Adkin, A. E. Tonge, B. 8. 
Williams, Hy. J. Turner, etc., and a discussion took place. 
