SOCIETIES. 93 
VaRIATION IN S. sEmMIRUBELLA.—Mr. H. J. Turner, a series of 
Salebria semirubella (carnella) with ab. sanguinella, ab. icterella, and a 
dark form, and read notes on the variation. 
Hyerip orcHips.—Mr. Kaye, sprays of the following hybrid orchids, 
Odontoglossum jasper, O. triumphosum, and O. penultum, all of them 
exhibiting the remarkable phenomenon of complete fusion even in the 
first, which was a tertiary hybrid. 
Canapian Butterrims.—Mr. Moore, Polyg gone californica, Papilio 
daunus, etc., from N.W. Canada. 
Variation in H. panusrris.—Mr. B.S. Wietlonng, eighteen specimens 
of Hydroecia palustris, from St. Annes-on-Sea, showing complete gra- 
dation of ground colour from pale ochreous, through red to fuscous 
grey, with white to orange stigmata. 
THE EARLY sEAsoN.—Messrs. Sich, Frohawk, Newman, and others 
spoke as to the early season. 
British O. pispar.—Messrs. R. Adkin, H. A. Leeds, and B. W. 
Adkin exhibited series of bred and British captured Ocneria dispar. 
Mr. R. Adkin read a paper entitled “ Ocneria dispar in Britain.” 
February 24th, 1916.—The meeting was devoted to an exhibition 
of lantern slides. 
Mr. Hugh Main exhibited a series illustrating the parasites of 
Orgyia antiqua. 
Mr. Sperring, a long set of colour slides kindly lent by the Paget 
Company. 
Mr. Dennis, various botanical and topographical slides. 
Mr. Colthrup, several sets of slides lent by members of the Nature 
Photographic Society. 
March 9th, 1916.—Aserrrations oF P. BRassic& anD M. THALASSINA. 
—Mr. Newman exhibited, on behalf of A. Horne, Esq., bred specimens 
of Pieris brassicae from Aberdeen, with a very distinct pink tint over 
all the wings, and a Noctuid presumably a form of Mamestra thalassina, 
but only two-thirds the usual size, and with the outer one-third of the 
forewings with confused markings. 
ABERRATIONS oF A. GRossuLARIATA.—Mr. G. T. Porritt, half a dozen 
fine aberrations of Abrawas grossulariata, including (1) a lead and yel- 
low coloured specimen with a white star on one wing, (2) ab. varleyata 
with a black body, (8) with the yellow band of forewing much empha- 
sised over the black. 
Dwarrs 1 Britis Burrerrims.—Mr. R. Adkin, dwarf specimens 
of Pieris rapae 88mm., P. napi 88mm. and 39mm., Eiichloe edn dannines 
32mm. and 34mm., Meliaen athalia 35mm., Dic urticae 38mm., 
Epinephele jurtina 87mm. and 38mm., Polyommatus icarus 22mm., and 
Agriades coridon 30mm. and 32mm. 
ExtREME sizes IN British Burrerruims.—Mr. Frohawk, extreme 
specimens of Pyrameis atalanta 47mm. and 76mm., P. cardui 45mm. 
and 72mm., and Vanessa io 47mm. and 78mm., and remarked on the 
sporadic dwarfing in Lycaena arion and the exceptionally small size of 
Dryas paphia in 1892. 
Canapian Insects ExHipitED.—Mr. Burnett, Huvanessa antiopa and 
the large water-bug Benicus griseus from Canada, near L. Winnipegosis. 
SEXUAL DIMORPHISM IN HurypHene.—Mr. Edwards, species of the 
