490 



with a pair of lips. From the upper lip hangs a thin, transparent, 

 obliquely-placed valve, forming a trap-door, and allowing Ento- 

 mostraca, Insect larvae, Infusoria, and other similar organisms 

 to enter, either in search of food, or fleeing from pursuit. The 

 captured organisms perish, the products of the decomposition of 

 their bodies being absorbed by the cross-shaped cells which line 

 the whole inner surface of the bladder. 



Mr. L. R. Gleason : Latex of Ficus elastica, mounted wet, 

 showing the " Brownian " movement. 



Mr. A. L. Still : An ascomycetous mould, Eurotium asjyerglUuS' 

 glaitcns, showing very early stages of the primordium of the 

 ascocarp. Stained by Hoffmann's blue, dissolved in the 60 per 

 cent, glycerine of the mount. 



Mr. W. J. Winter: Section of fossil fern from coal-bed, showing 

 polarisation with ooie prism, selenite and mica film. 



January 2nd, 1903. 



Mr. W. Wesclie : A " springtail," Poclura aquatica, one of many 

 found on duckweed in pond at Ilampstead. Specimen kept in 

 cell with damp blotting-paper for preceding fourteen days. 



Mr. H. Morland : Section of li iilleflinta, Petro-silex, from 

 Sweden, containing amongst its constituents quartz, in which 

 there are cavities w4th moving bubbles. 



Mr. H. J. Quilter : Microscope by C. Chevalier, date about 

 1830. 



Mr. K. J. Marks : Melicerta tuhicolaria Ehr. The only 

 Melicerta that does not make jiellets, although it has a pellet 

 cup. Born in the trough. 



Mr. A. L. Still : The Black Currant Mite, from characteristic 

 swollen bud. 



Mr. T. G. Kingsford : Diatoms, etc., found in a sample of 

 non-conducting material used for covering steam boilers. The 

 diatoms can be seen mixed with numerous fibres of asbestos. 



Mr. A. Earland : Section of Flint containing various organisms, 

 such as Foraminifera, Sponges, Ecliinoderms, etc. 



