COlfiT^mS— (continued). 



December 21, 1876. 



PAGE 



I. On the Rotation of the Plane of Polarization of Light by Reflection from 



the Pole of a Magnet. By Gteoege Feancis FiTzaEEAU), M.A. . . . 447 



II. On the Increase in Resistance to the Passage of an Electric Current pro- 

 duced"on Wires by Stretching. By Heebeet Tomlinson, B.A., Demon- 

 stratoj^ of ,Jfatural Philosophy, King's College, London 451 



III. ^Note on the Influence of Liquor Potassse and an Elevated Temperature on 



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



IV. Xote on the Deportment of Alkalized Urine. By Professor T3n!rDALL, F.R.S. 457 

 List of Presents 458 



Obituary Notices : — 



o 



Andees Jonas Angsteom xviii 



Jean Lotjis Rodolph Agassiz xxii 



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