VIU 



Decemher 21, 1876, 



Page 



On tlie Eotation of the Plane of Polarization of Liglit by Reflection from 

 the Pole of a Magnet. B}^ George Francis Fitzgerald, M.A 447 



On the Increase in Resistance to the Passage of an Electric Current produced 

 on Wires by Stretching. By Herbert Tomlinson, B,A., Demonstrator of 

 Natin-al Philosophy, King's College, London 451 



Xote on the Influence of Liquor Potassse and an Elevated Temperature on 

 the Origin and Growth of Microphytes. By Wm. Roberts, M.D 454 



Xote on the Deportment of Alkalized Urine. By Professor Tyndall, F.R.S. 457 



List of Presents 458 



No. 177. — Januanj 11, 1877. 



Further Observations on the Locomotor Svstem of Meduste. By George 

 J. Romanes, M.A., F.L.S., 464 



On some Phenomena connected with Vision. By B, Thompson Lowne, 

 F.R.C.S., Arris and Gale Lecturer on Anatomy and Physiology at the 

 Royal College of Surgeons, Lecturer on Physiology at the Middlesex 

 Hospital Medical School " 487 



January 18, 1877. 



Note on the Changes of the fixed Corpuscles of the Cornea in the Process 

 of Inflammation. By G. F. Dowdeswell, B.A. (Plate 10.) 492 



Residual Charge of the Leyden Jar. — II. Dielectric Properties of various 

 Glasses. By J. Hopkinson, M.A., D.Sc 496 



A Second Paper on the Forms assumed by Drops of Lic^uids falling verti- 

 cally on a Horizontal Plate. By A. M. " Worthington ' 498 



Preliminarv Note on the Development of Ora'anisms i]i Oro-anic Infusions. 

 By John Tyndall, F.R.S ^ ^ 503 



Januanj 25, 1877. 



Description of the Living and Extinct Races of Gigantic Land-Tortoises. 

 — Parts III. and lY. The Races of the Aldabra Group and Mascarene 

 Islands. (Conclusion.) By Dr. Albert Giinther, F.R.S 506 



On certain Definite Integrals. By W. H. L. Russell, F.R.S. 



507 



