101 



also showed specimens of moss, a species of cotton-grass, 

 and the lichen Cladonia pyxidia. 



Mr. Gadge exhibited a specimen of Bombyx neustria which 

 had only three wings, the left fore-wing being totally absent. 



Mr. Colthrup exhibited a larva of Odonestis potatoria, 

 which was only about half-grown. It was taken in May. 

 He also showed a male specimen of Bombyx qucrcus, v. 

 calluncB, in which the transverse line on the fore-wing was 

 remarkably straight. 



Mr. Lucas exhibited specimens of the dragon-fly Sympe- 

 trum flaveolum, and contributed the following note : 



" This species has appeared again this season at Ockham 

 Common, in Surrey, in some numbers ; but, as last year, no 

 females have been taken or noticed either by myself, who 

 visited the spot on four occasions (three out of which, how- 

 ever, were not favourable days), or by Mr. Turner, who 

 visited it on August nth. They were found at the two 

 ponds with three other species of the same genus — 5. 

 sanguincum, S. scoticum, and S. striolatum. The examples of 

 the species exhibited must be looked upon as part of a 

 migration, but the strange point is that there should have 

 been a migration in two successive years. At St. Osyth, on 

 the coast of Essex, Mr. Harwood caught a female of the 

 same species and sent it to me for inspection. I don't know 

 whether we are to conclude that it breeds there or that some 

 females joined in the migration. I might say that in 1871 

 ( ? 1872), when a large swarm visited the London district, 

 females certainly accompanied the males, for we have in one 

 of the magazines a circumstantial account of their method 

 of oviposition, as observed near Croydon. The subject is an 

 interesting one, but we need more reports of captures before 

 we can come to any satisfactory conclusion." 



Mr. MacArthur exhibited several specimens of Dianthcecia 

 carpophaga, bred from the neighbourhood of Brighton, two 

 or three of which were very beautifully marked with snowy- 

 white patches. 



The following report of the Wisley Field Meeting was 

 communicated by Mr. Ashdown : 



"The fourth Field Meeting this year of our Society was held 

 on July 15th last, when about a dozen members and friends 

 visited Ockham Common, near Wisley. The route taken 

 was from Effingham Station, past Martyr's Green, and 

 through the lanes as far as the larger pond, known as 

 Boldermere or the Hut pond, returning by a slightly different 

 way which led between the smaller pond and a third pond, 



