CO 



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dimorphism and extremely large anal tuft ; a bred Crishna niacrops, 

 several Hypsids, a few Zyjiania caaJuirirensis, the conspicuous 

 " Cossus," Diiometiia leuconotiiH, with clean white tufted thorax. 



Mr. H. Moore exhibited the hymenopteron Mutilla europaa, 

 taken near the pier at Bournemouth, with other species of the genus 

 from Egypt, the Ionian Islands, the Upper Amazons, and Indiana. 



Mr. Bunnet exhibited C'dcciiwlla hieroj/lypliica, from Keston, with 

 its black aberration. 



Mr. Grosvenor said that Ayriades thetis was absent, and only a 

 few A. cnridon were to be seen at Ueigate this autumn. Mr. 

 Farmer reported A. coridon common at Riddlesdown. Pyiameis 

 atalanta was in plenty. 



SEPTEMBER 23rd, 1920. 



Exhibition of Lantern Slides. 



Mr. Adkin exhibited views of Selborne from old engravings. 



Mr. A. E. Tonge's exhibit illustrated the resting positions of 

 Geoiiictridcc. 



Mr. Main showed the seasonal forms of I'ifiia napi f. btyoniae; 

 the stages and pupal chamber of Tiinarcha coriaria (Col.) ; the 

 metamorphoses of Donacia sp. (Col.), the larva feeding on the roots 

 and underwater stems of aquatic plants. 



Mr. Bedford (of Lewes) exhibited slides of rare insects captured 

 in Sussex, PapUio macliaon, Kiivanessa antiopa, OnJiodia erythro- 

 cephala, etc. ; local birds ; rare and local orchids, etc. 



Mr. Withycombe exhibited slides of Clitysopa, Heiiieioblits, 

 Syrpliiis, and Stratioiiiys sp. ; also flowers of frogbit, Hydrorharis 

 inonms-raiiie, etc. 



Mr. Colthrup's series showed chiefly the resting positions of 

 butterflies and moths. 



Mr. Dennis illustrated Windermere and its flora, and showed a 

 series of ferns. 



Mr. Grosvenor exhibited a number of Indian Terias, many of 

 them from the collection of the late Col. Bingham ; and referred to 

 the difficulty of recognising many of the species which had been 

 erected by different authors. 



Mr. Bowman exhibited a short series of Tn'coptery.c (Lobophora) 

 carpinata, bred from a female captured at Oxshott, of which 20 per 

 cent, had very dark, well-emphasised transverse lines on the fore- 



