PEOCEEDINGS OF 

 THE ROYAL SOCIETY. 



VOL. XXXI 



January 6, 1881. 



PAGE 



L Eesearclies on the Minute Structure of tlie Thyroid Gfland. By E. 



Ceesswell Babee, M.B. Lond. . . 279 



II. Note to the Paper on the Structure of the Immature Ovarian Ovum in 



the Common Fowl and in the Kabbit. By E. A. Schaeeb, E.R.S. . 282 



III. Note on a Commimication made to the Royal Society by Professor 



Roscoe, LL.D., E.R.S. , " On the Absence of Potassium in Protagon 

 prepared by Dr. Gramgee." By J. L. W. Thtidichum, M.D., 

 E.R.C.P., Lond. . . .282 



IV. PreHminary Note on the Existence of Ice and other Bodies in the Solid 



State at Temperatures far above then' ordinary Melting Points. 

 By Thomas Caenelley, D.Sc, Professor of Chemistry in Firth 

 College, Sheffield . . . . . . . . . .284 



V. On the Effects of Heat on the Chloride, Bromide, and Iodide of Silver, 

 and on some Chlorobromiodides of Silver. By Gr. E. Rodwell, 



E. R.A.S., E.C.S., Science Master in Marlborough College . ". . 291 

 VI. Phenomena of the Capillary Electroscope. By Gr. G-oee, LL.D., 



F. R.S • . . . .295 



VII. Electric Currents caused by Liquid Diffusion and Osmose. By Gr. 



G-oee, LL.D., E.R.S. * .296 



VIII. Additional Note to a Paper " On the Thermal Conductivity of Water." 



By J. T. Bottomley, Lecturer in Natural Philosophy, and Demon- 

 strator in Experimental Physics in the University of Glasgow . . 300 



January 13, 1881. 



I. On the 48 Co-ordinates of a Cubic Curve in Space. By William 



Spottiswoode, M.A., D.C.L., President R.S 301 



II. How do the Cokmr-blind See the different Colours ? Introductory 

 Remarks. By Eeithioe Holmgeen, Professor of Physiology, Uni- 

 versity, Upsala . . . 302 



III. Action of an Intermittent Beam of Radiant Heat upon G-aseous 



Matter. By John Tyndall, E.R.S. . . . . . . . 307 



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