54 



Mr. Green intimated that he had again brought with him his lime light for 

 the purpose of exhibiting his Podura Scale as an opaque object, and he desired 

 to thank several gentlemen who had assisted him in his investigations. Mr. 

 Arthur Cole, of Liverpool, had in a most kind manner sent him some slides 

 very beautifully mounted, and Mr. Topping had also very kindly supplied him 

 with the Podura scales. 



The proceedings then terminated with a conversazione, at which the following 

 objects were exhibited : — 



Sarirel la gemma by Mr. Curteis. 



Podura Scales, shewn as opaque objects by the lime light Mr. Green. 



Injected Muscle of Cat Mr. de Gaimaraens. 



Eectal Papillae and Gizzard of Flea Mr. Mclntire. 



Euglena viridis Mr. Martinelli. 



Selection of Gorgonia Spicules Mr Eichards. 



Injected Lung of Frog Mr. Topping. 



Attendance — Members, 55 ; visitors, 8. 



EicHARD T. Lewis. 



April 12th, 1872. — Conversational Meeting. 



Objects exhibited: — 



Trachea from Larva of Dytiscus by Mr. Geo. Williams. 



Larva of the Gnat Mr. J. A. Smith. 



Gizzard of Mole Cricket "^ ivr n i 



Wing of Earwig 3 * ^' 



Phillipine Foraminifera Mr. Hailes. 



Spines and Plates, Synapta similis ... ) ^^ ^ r^ 



Gizzard and Stomach of Cricket ... j ^^^- ^^ G^^^araens, 



Amphioxus paradoxus Mr. Slade. 



Section of Sarsaparilla Mr. Sigsworth. 



Meridion circulare Mr. J. G. Waller. 



Injected ova of Toad, transparent Mr. Topping. 



Decomposed Glass Mr. Eichards. 



Hippuric Acid '. Mr. T. C. White. 



Selected Diatoms Mr. CoUam. 



Convallaria Arcellum, &c,, &c. Dr. Ramsbottom. 



Heliopelta, &c Mr. Jaques. 



Cup Moss ... Dr. Matthews. 



Section of diseased Canine Tooth ,, 



Scales of Culex maculipeunis Mr. F. H. Ward. 



Specimens of crushed quartz and crushed flint, to show the facility with 

 which polarized light discriminates between sand consisting of comminuted 

 quartz and sand consisting of comminuted flint. As examples : — 



Sand from River Parrett, Somerset. Principally quartz j about 1 per cent, of 

 flint. 



Sand from site of the New Law Courts. Principally quartz ; about 1 per 

 cent, of flint. 



Lower Bagshot sand from Hampstead Heath. Contains no flint ; principally 

 quartz and oxide of iron. 



