CONTENTS— (continued). 



PAGE 



III. On the Thickness of Soap Films. Dy A. W. Reinold, M.A., Professor 

 of Physics in the Royal Naval College, Greenwich, and A. W. Ruckee, 

 M.A., Professor of Physics in the Yorkshire College of Science, Leeds . 334 



IY. The Physiology of Sugar in relation to the Blood.— No. 2. By F. W. 



Pavy, M.D., F.R.S 346 



V. Note on Dr. Burdon Sanderson's latest Yiews of Ferments and Germs. 



By J. Tr^DittL, DAL., LL.D., F.R.S. . 353 



YI. Experimental Demonstration in respect to the Origin of Windings of Rivers 

 in Alluvial Plains, and to the Mode of Flow of Water round Bends of 

 Pipes. By Professor James Thomson, LL.D., D.Sc, F.R.S 356 



YII. An Attempt to form Double Salts of Nitrate of Silver and other Nitrates. 

 By W. J. Russell, Ph.D., F.R.S., and Neyil Story Maskelyne, 

 F.R.S. . . .-/: 357 



VIII. On certain Definite Integrals. By W. H. L. Russell, F.R.S 359 



List of Presents . 363 



On the Hindoo Division of the Octave, with some Additions to the Theory of 

 Systems of the Higher Orders. By R. H. M. Bosanquet, Fellow of St. John's 

 College, Oxford 372 



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