PROCEEDINGS OF THE SOCIETY. 1085 



were in air and non-adherent to the cover, a homogeneous-immersion 

 objective was no better than a water objective, as the aperture was at 

 once cut down to the equivalent of 180^ in air. The whole benefit 

 of the oil-immersion was thus entirely lost. 



The following Objects, Apparatus, &c., were exhibited:— 



Mr. O. Brandt : — Slides of diatoms arranged by E. Getschmanu. 



Mr. Crisp : — The seven Microscopes mentioned on p. 1083. 

 „ Parkes's frog plate (see \x 1011). 



„ Webb's finder (see p. 750). 



Mr. J. Mayall, jun. : — The Thury-Nachet Traverse Substage (see 

 p. 1059). 



Mr. G. C. Morris: — Fungus (?) on human hair. 



Dr. B. W. Richardson : — Section of electric organ of the Ray. 



Dr. H. Stolterfoth : — Slide of the Llyn Arenig Bach Diatomaceous 

 Deposit (see p. 913). 



Mr. Swift : — Microscope with radial traversing substage illumina- 

 tor (see p. 867). 



Mr. Teesdale : — New (Pcarson-Teesdale) microtome (see p. 1034). 



New Fellows: — The following were elected Ordinary Fellows : — 

 Messrs. Thomas Goodwin, J. Sibley Hicks, L.R.C.P., J. Buxton 

 Payne, and J. C. Thompson ; and Ex-officio Fellow : — The President 

 for the time being of the Manchester Microscopical Society. 



Meeting of 10th November, 1880, at King's College, Strand, W.C. 

 The President (Dr. Beale, F.R.S.) in the Chair. 



The Minutes of the meeting of 13th October 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 

 Heurck, H. van.— Synopsis rlos Diatonu-os de Belgique. Fasc. 



I and II. Allan. Plates l-:]0. (8vo. Antwerp, 1«80) The Author. 

 MiiUer, N. J. C— Iliindl.iu-h dcr Botunik. 2" Band. 2''- 



Theil. 482 pp. and 227 plates. (8vo. Heidelberg, 



1880.) Mr. Crisp. 



Photograplis of Pleurosigma angulatum and Frustulia saxonica Mr. 0. Brandt. 

 Santa Monica Earth,- and Section and Photographs of the 



San Bernardino Mefeorito Mr. If. 0. flanks. 



" Tripoli " from liichmond liivor, N. S. Wales I'rof. A. Livcrsidge. 



Mr. 0. Brandt's letter as to the above photographs was read : — 

 " I enclose photograplis of : — 



1. Plcurosiyma amjidntnm W. Smith, from a preparation of 

 J. D. MitUcr, Wedcl, magnified direct 2000 times with (rundlacli's 

 VOL. III. 4 C 



