62 



of the type. Yet this plant is not even given a varietal 

 position in the London Catalogue, 1895. The specimens 

 were found in a bog in the New Forest associated with 

 Orchis mactilata." 



Major Ficklin exhibited three specimens of Dianthcecia 

 luteago, var, ficklini, two being very small and pale, and one 

 of the ordinary Cornish coloration, but with suffused 

 markings, and a specimen of Argynnis (Brenthis) selene with 

 very dark under wings. 



Mr. A. Sich exhibited several species of Lepidoptera, 

 among which were a small, dark variety of Vanessa urticcB 

 from C his wick ; two specimens of Xylophasia polyodon 

 (Chiswick), one with dark median band, the other with 

 stigmata confluent ; Pliisia gamma (bred Chiswick), Y-mark 

 represented by pale spot, and the grey form of Hyponomeuta 

 padcllus. He also showed the following shells : — Purpura 

 lapillns, banded form (Eastbourne) ; Helix aspersa, sub- 

 scalariform monstrosity (Chiswick) ; and Helix rotundata, var. 

 sinistrorsnm (Chiswick). 



Mr. H. Rowland Brown exhibited a series of Lye a; na dolus, 

 var. vittata, taken this summer (July) in the Cevennes, and 

 L. admetus, var. rippertii, for comparison. The two species 

 are remarkably alike, and Dr. Chapman says that structurally 

 the genitalia are identical in both. He also exhibited a 

 remarkable variety of Melitcea cinxia, in which the black spots 

 on the under side are almost absent, and a curious specimen 

 of Argynnis lathonia, with the left lower wing only abnormally 

 small, a fact which did not appear to interfere with its 

 ability to fly strongly. 



Mr. Manger exhibited various species of the Molluscan 

 genus Opisthostoma, from Borneo, and contributed the follow- 

 ing notes : 



" The few notes that I am about to read are mainly taken 

 from what Mr. Edgar Smith (the Curator of the Mollusca 

 at the British Museum, South Kensington) has written on 

 the subject. He has described and named many of the 

 species. 



" I exhibit a few specimens of some most wonderfully 

 sculptured shells. 



" These remarkable structures belong to Opisthostoma, a 

 group of very small operculate land shells, occurring in India, 

 Borneo, and adjacent localities. 



" At the present time there have been found and described 

 about twenty species. They occur on limestone rocks in 

 damp places, living apparently on the microscopic vegetation 



