85 



including many extreme melanic and several silvery forms ; (2) B. 

 selene aberrations, including a superb black variet}' ; (3) Chryso- 

 phaniis dispor, including one with a partly xanthic right forewing; 

 and (4) Runiicia p/tloias, with many remarkable aberrations, includ- 

 ing the very rare ab. alba. 



Mr. K. G. Blair exhibited the black form ab. }ii<jra of Cetonia 

 aurata, the rosechafer, from Scilly. Though not uncommon on the 

 continent (Corsica, Tuscany, Armenia, etc.) this form does not seem 

 to have been detected hitherto in Britain. (" Ent. Mo. Mag.," 

 September, 1919.) 



Mr. H. A. Leeds exhibited aberrations of British Lepidoptera, all 

 captured during 1919, and including Aphantopus hyperantiis. 1. 

 Very dark with strong silky sheen ; ocelli on hindwings only, and 

 indistinct, one on left and two on right side. 3 upperside. 2. Paler 

 than type, some spots elongated. J underside. 3. Bright brown 

 ground, black rings of ocellated spots narrow. 5 underside. All 

 Chiltern Hills, July. 



Epinejihele jiirtina [iaiiira). 1. Fulvous patch on forewings 

 similar to female, black spot large but without white centre on each 

 forewing. S' upperside. Monks Wood, Hunts, July 7th. 2. Some- 

 what paler ground, and speckled with small darker dots on fore- 

 wings. 2 upperside. Chiltern Hills, July 20th. 



Hesperia tualca'. Dark ground enhancing white markings. ? 

 underside. Monks Wood, Hunts, May 18th. 



L'linioinjinplia pamphihis. Very pale and much suffused with straw 

 colour. (J upperside. Chiltern Hills, August 4th. 



I'olyoniniatiis icartis. Silky sufiused silver-grey ground colour, 

 lunules of all wings golden olive-green instead of orange, g under- 

 side. Monks Wood, Hunts, June 7th. 



Aricia medon {astrarche). Small and deep black-brown colour = 

 ab. alpina, and white circled black spot within centre of border, and 

 touching orange lunules on the left forewing. $ upperside. Herts, 

 September 4th. 



Aijnades coridon from the Chiltern Hills, including ab. fnwleri, ab. 

 obsiileta, and many other interesting forms. 



Stryntun prnni. 1. Band and ground colour paler and appearance 

 very smooth. J underside. 2. Very dark brown ground with bright 

 red band. S' underside. 3. Fulvous patches united and crossing 

 all wings divided only by nervures = ab. ptursas. J upperside. 

 All Monks Wood, Hunts, June last. 



Mr. R. South exhibited the following aberrations of British Lepi- 

 doptera : — 



