PROCEEDINGS OF SOCIETIES. 287 



Living Objects. 



Lacinularia and Melicerta Badcock, John. 



Vokox glohator Cocks, Mr. 



Conochilus voltox Hainworth, W.,jun. 



Pond life Hembry, F. W. 



Medusae Ingpen, J. 



Planaria Lexcis, R. T. 



Conochilus vokox Miller, Dr. 



Corethra plumicornis larva ; and Lophopus crystallinus Oxiey, Mr. 



Lophopus crystallinus Shepheard, T. 



Fredricella „ 



Pond life Wight, J. F. 



Minerals, etc. 



Boiling of carbonic acid in fluid cavities of rubies and sapphires Butler, P. J. 



Fluid cavities in quartz, topaz, and tourmaline, showing the 

 alternate passage of carbonic acid into a liquid and into 

 a gas Hartley,^ W. N. 



Organic remains in a diamond Hunt, H. B. 



Crystals of gold Makins, G. H. 



Hyperstbene, seen with polarized light Matthews, Dr. J. 



Carbonate of lime in carapace of Prawn „ 



IMicroscopical sections of rocks Eutley, Frank. 



Various specimens of minerals, rocks, and meteorites, shown 



with 12 microscopes lent by Ross Sorby, H. C. 



Specimens illustrating the ai^plication of the microscope to 

 blow-pipe chemistry, shown with 12 microscopes lent by 

 Crouch „ 



Microscopical sections of iron and steel, shown with 12 micro- 

 scopes lent by R. and J. Beck „ 



Large specimen of Iceland spar Tennant, Professor. 



Coal nodule Williams, J. R. 



New Apparatus, etc. 



Detached lever escapement in motion under Binocular Micro- 

 scope Bate, Dr. G. P. 



New form of Stephenson's Erecting Binocular Microscope .. Bevington, W. A. 



Ditto ditto ditto adapting the 



principle to the Jackson model Browning, J. 



Binocular Microscope, the stage fitted with mechanical adjust- 

 ment, and provided with new centering adjustments by 

 which the rotation of the stage can be instantly rendered 

 perfectly concentric with any objective Crouch, Henry. 



New form of apparatus and transparencies for showing drawings 



of microscopical objects in a dark room Hudson, Dr. 



New apparatus for measuring the wave-length position of 



absorption bands in spectra Sorby, H. C. 



A Jjjth object-glass, by Tolles, shown with a highly magnify- 

 ing eye-piece Tiipman, Capt. 



Spectrum Apparatus, etc. 



Diffraction Spectroscope Browning, J. 



Various specimens illustrating the application of the Spectrum 

 Microscope to mineralogy, biology, &c., shown with 12 

 instruments lent by Browning Sorby, H. C. 



Drawings, etc. 



Drawings of Rotifers, &c., &c Hudson, Dr. 



Enlarged drawings of Foraminifera Jones, T. R, 



Diagrams illustrating the microscopical structure of rocks and 



minerals Rutley, Frank, 



