PKOCEEDINGS OF SOCIETIES. 45 



section of retina and clioroid of a cuttle-fish ; termination of nerve 

 directed towards the light with choroid in front (invertebrate charac- 

 ter). 3. Section of kidney of rabbit, showing epithelium of Malpighian 

 capsule, and the narrow neck by which it becomes continuous with 

 the convoluted uriniferous tube. 



Mr. J. W. Stephenson : Brucine ; light analyzed by reflexion from 

 black-glass j^late and his Erecting Microscope. 



Mr. W. W. Keeves : New species of fungi, Acrostalagmus nigripes, 

 &c. 



Messrs. Powell and Lealand: Surirella gemma, with ^ object- 

 glass. 



Messrs. Eoss : New Binocular Microscope with Wenham's achro- 

 matic prism ; and a newly-arranged microscope. 



Messrs. Beck : The structure of the scale of Lepidocyrtus curvicoUis 

 with yig- immersion ; the structure shown by the application of mois- 

 ture on exposed surface. ( See ' Monthly Microscopical Journal.') 



Mr. Charles Baker : The Medical Microscope and the Sea-side 

 Microscope. 



Mr. Thomas Curties : British and foreign zoophytes. 



Mr. Moginie : Sting and poison bag of bee, &c. 



Mr. How : Transverse section of a calamite, showing cortical 

 layer. Ditto, ditto, showing the diaphragm at node, from the Goal- 

 measxires of Lancashire. 



Donations to the Library and Cabinet, from May 7th to June 4th, 

 1873 :— 



From 



Land and Water. Weekly The Editor. 



Nature. Weekly Ditto. 



Athenaeum. Weekly Ditto. 



Society of Arts Journal. Weekly Society. 



Quarterly Journal of the Geological Society, No. 114 .. Society. 

 Monthly Notices of Papers and Proceedings of the Koyal 



Society of Tasmania, 1871 Ditto. 



Kesults of Five Years' Meteorological Observations for 



Hobart Town, by Francis Abbott, F.R.M.S Author. 



Medical and Surgical History of the War, Part 1, 2 vols. Surgeon-General's Office, 



Washington, U.S.A. 

 Three Slides of Diatoms Frederick Kitton, Esq. 



Beading Microscopical Society.* 



March 4, 1873. — Captain Lang presided, and in support of his 

 remarks, in a paper on Professor H. L. Smith's Conspectus of the 

 DiatomacecB (' Monthly Microscopical Journal,' March, 1873), as to the 

 propriety of combining the genus Campylodiscus with Surirella, and 

 the genus Triceratium with Biddulphia, exhibited a variety of Surirella 

 striatula as much twisted, and a Surirella fastuosa as circular in out- 

 line as any Campylodiscus ; and also front views of entire frustules of 

 Biddulphia and Triceratium, showing their close affinity in form and 

 structure. 



He also exhibited a fine gathering (from Mead's pond) from Pro- 

 fessor Smith, containing numerous rare species of Pinnularia, Surirella, 



* Report furnished by Mr. B. J. Austin. 



