100 



OBJECTS EXHIBITED, WITH NOTES. 



August 17th, 1900. 



Mr. A. Earland : Sponges (Fresh -water) SpongiUa alba, from 

 Bombay, showing statoblasts in situ ; (HexactineUid) Periphra- 

 gella elisae, from Japan, showing the " veil " of flesh spicules. 



Mr. C. F. Rousselet : Mounted specimen of a very rare British 

 Eotifer, Notops clavidatus, from Richmond Park. 



October 5th, 1900. 



Mr. C. Sidwell : Specimens, $ $ , of Scajjholeheris 7mccronata 

 0. F, Mliller, from Richmond Park, collected at Quekett excur- 

 sion, September 29th, showing "ephippium" containing winter 

 egg, also the modified setae on the flattened ventral margin, by 

 which these animals cling to the surface film. 



Mr. A. E. Hilton : Head of Sand Wasp, Cerceris arenaria, 

 mounted without pressure, showing the organs of the mouth in 

 their natural form and colour. 



Mr. K. J. Marks: Epidermis of leaf of Mistletoe, showing 

 stomata. 



Mr. H. Morland : Frustules of Riitilaria cap>itata in chain, and 

 side view of valve, from " Cementstein," Sendai, North Japan. 

 As a rule the frustules fall asunder when treated with acids, 

 leaving single valves of two opposite frustules still cohering by 

 the centre connection. 



October 19th, 1900. 



Mr. P. T. Lewis : An undescribed species of Tick {Ixodes) 

 found on a vole. Also Tick from Zebra, RJdpicephalus marmoreus, 

 East Africa, remarkable for having scales instead of hairs. 



Mr. A. E. Hilton : Leaf of a carnivorous plant, the Common 

 Butterwort, Pinguicida vulgaris, showing the glandular hairs 

 from which the adhesive fluid is exuded ; mounted in glycerine. 



