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 PROCEEDINGS OF THE SOCIETY. 



Meeting op 10th Octobbe, 1883, at King's College, Steand, W.C, 

 The President (Peofessoe P. Maetin Duncan, F.E.S.) in the 

 Chaie. 



The Minutes of the meeting of 13th June last were read and 

 confirmed, and were signed by the President. 



The List of Donations (exclusive of exchanges and reprints) 

 received since the last meeting was submitted, and the thanks of the 

 Society given to the donors. 



From 

 Braithwaite, E.— The Britisli Moss Flora, Part 7. pp. 147-178, 



6 pis. 8 vo, London, 1883 The Author. 



Gibbes, H.— Practical Histology and Pathology. 2nd ed., 



viii. and 154 pp. 8vo, London, 1883 The Publishers. 



Penhallow, D. P. — Tables for the use of Students and Beginners 



in Vegetable Histology. 39 pp. 8 vo, Boston, 1882 .. Mr. Crisp. 

 Eogers, Prof. W. A. — The Micrometer described, ante, p. 619 Prof. Sogers. 



Dr. G. M. Sternberg's " Photo-micrographs, and how to make 

 them " (ante, p. 720), was handed to the President by Dr. Maddox, 

 who said he wished to call special attention to it as showing a very 

 great advance upon anything of the kind which had yet been pro- 

 duced. Some of the illustrations, such as Plate XII. — Moller's 

 Typen-platte — were really marvellous specimens of the perfection to 

 which the art had been carried. 



Mr, Crisp said that Plate XVI. of Navicula lyra was also an 

 admirable example, and did the greatest credit to Dr. Sternberg. 



Mr. Crisp exhibited (1) Swift's Eadial Microscope [ante, p. 704) ; 

 (2) Mirand's Eevolver Microscope {supra, p. 897) ; (3) Pelletan's 

 Continental Microscope [supra, p. 899) ; (4) Pol's Compressor 

 {supra, p. 905) ; and (5) Moller's Typen-platte with 400 Diatoms, 

 having the name of each photographed beneath it. 



Mr. Curties exhibited a simple dissecting Microscope of unknown 

 American origin (belonging to the Kev. O. P. Cambridge), which was 

 made exceptionally portable, and was much commended by Mr. 

 Crouch and other opticians present. 



Dr. H. Schroder's paper "On a New Camera Lucida" {supra, 

 p. 813), was explained by Mr. J. Mayall, jun., and the instrument 

 exhibited and its construction elucidated by drawings on the black- 



