438 



PEOCEEDINGS OF 1^HE SOCIETY 



A CONVERSAZIONE 



was held at the Mortimer Halls, Mortimer Street, London, W.l, 

 on Wednesday, October 5th, 1921. 



A Reception was held by the President, Professor John Eyre, in 

 the Upper Hall from 7.45 to 8.15. 



General Exhibits were shown by — 



r. Addey, B.Sc. — Transverse Section of Leaf of Fittonia, showing ocelli 

 on Epidermis. 



C. Baker. — Greenhough Binocnlar Microscope. New Model D.P.H., 

 Student and other Microscopes. 



R. & J. Beck, Ltd. — Binocular, Standard and Petrological Microscopes. 

 Rowley Metallurgical Attachment, etc. Rock Sec- 

 tions and other Specimens. 



The Cambridge & Paul Instrument Co., Ltd. — The Cambridge 

 Rocking and Universal Microtomes and Accessories. 



A. Earland, F.R.M.S. — Feather of Goldfinch, showing the orange- 

 coloured plates of Keratin. 



G. T. GuRR. — Microscopical Stains and other New Preparations. 



Hawksley & Sons. — Spencer Lens Microscopes and Microtomes. 



C. E. Heath, F.R.M.S. — Diatom Arachnoidiscus, showing abnormal 



drum-like development. 

 R. W. HiOGiNSON, F.R.M.S. — B. histolytica in Section from Intestine. 



Amytrophic lateral and deseminated Sclerosis. 



A. Gandolfi Hornyold, ]3.Sc., F.R.M.S.— Otolith of an Eel, showing 

 annual zones of growth. 



A. MoRLEY Jones. — Diatomacere, showing some illustrations of methods 

 of growth. 



Rev. a. F. Jones. — Saws of the Saw-fly {Trkhlosoma hetuhti). 



Kodak Limited (Wratten Division). — Light Filters, Lamps, etc. 



E. R. Martin.— Radula of Whelk. 



Martin Melesi & Co. — Koristka Laboratory, Bacteriological, Medical 

 and Student Microscopes and Accessories. 



Ogilvy & Co. — Leitz New High-Power Binocular Microscope with 

 Interchangeable Monocular Body. Akehurst Con- 

 denser Changers. Silverman Illuminator for Opaque 

 Objects. 



