SOCIETIES. 19 



June 27th. — A cukious resemblance. — Mr. Main exhibited the 

 stalked seeds of Geranium. robertianu)n attached to leaves, etc., near 

 the ground and much resembling ova of insect species. 



A REMARKABLE EMERGENCE. — Mr. Moore, for Mr. Cooke, living Tor- 

 trix viridana, which had emerged from a mass of pupaB taken from 

 the throat and stomach of a dead jay. 



A RARE CoLEOPTERON FORM, ETC. — Mr. Priske, the rare blue form 

 of the beetle Calosoma inquisitor, the egg-mass of the water beetle 

 Hydropkilus piceus beneath a Potamo/jeton leaf and pointed out the 

 " mast," and specimens of Helix aspera and ti. nemoralis, with their 

 summer epiphragms, each having an opaque spot. 



Aberrations of H. malvae and P. icarus. — Mr. Neave, an extremely 

 pale brown form of Hesperia vialvae, and an example of Polyommatus 

 icarus ab. icarinus. 



Aberrations of A. thetis. — Mr. Sperring, aberrations of underside 

 Agriades thetis, from Cuxton, one with unusually dark and well- 

 developed submarginal spots, another with somewhat sagittate spots, 

 and another deficient in the basal spots. 



Resting position of male P. aversata. — Mr. Main, noted that 

 Ptychopoda [Acidalia) aversata male rested on the four front legs with 

 the hind legs extended backwards. 



Stereographic slides shown. — Mr. Dennis, stereographic slides of 

 the milkwort and the quaking grass. 



Mr. Turner, for Dr. Chapman, a larva of the W. American Orgyia, 

 0. vetusta, from California. 



An aberration of L. arion. — Mr. B. W. Adkin, for Mr. E. B. Ker- 

 shaw, an example of Lycaena arion, with all markings absent except 

 the discoidal spot and the marginal spots, also a specimen of the 

 Hongkong butterfly Clerome eumeus, belonging to the Morphinae. 



Exhibition AND DISCUSSION OF E. atomaria. — The rest of the evening 

 was devoted to the exhibition and discussion of Ematurga atomaria. 



Mr. Adkin exhibited series from many parts of the British Isles, 

 including a unicolorous dark brown male from Epping Forest, and 

 the Lancashire dark form. 



Mr. B, W. Adkin, races from many southern localities, and a 

 blackish- brown race from Durham. 



Mr. Ashdown, series from Surrey with the yellow Swiss form for 

 comparison. 



Mr. Leeds, series from the Midlands, one having a bright yellow 

 ground. 



Mr. Barnett, pale examples from the Fens, and various series from 

 the Surrey hills. 



Mr. H. J. Turner, British forms, and a series from various places 

 in France, Italy, Switzerland and Germany, showing the strong sexual 

 divergence in colour in the former series and the strong sexual con- 

 vergence in colour in the latter continental series. He then read a 

 paper dealing with the named forms, and summarising the lines of 

 variation. 



July Wth. — Surrey Lepidopteea exhibited. — Mr. Ashdown ex- 

 hibited numerous species of Lepidoptera taken or bred by him in Surrey 

 this season, including Cahera pusaria ab. rotundaria, Amphidasis betu- 

 laria with var. doiibledayaria and intermediates, Tricopteryx viretata, 

 T. carpinata, Acronicta leporina, etc. 



