420 Index of authors, with titles of papers. 



Roy, C. S., On the mechanism of the renal secretion, 110 — 116. 



Sedgwick, A., The original function of the canal of the central nervous 



system of vertebrata, 325 — 328. 

 Solly, R. H., Crystallographic notes, 407, 408. 

 Stokes, Prof., On the highest wave of uniform propagation, 361 — 365. 



Tawney, E. B., On the upper Bagshot sands of Hordwell cliffs, Hampshire, 



140—155. 

 Tawney, E. B., and H. Keeping, On the beds at Headon Hill and Colwell 



Bay in the Isle of Wight, 59—64. 

 Taylor, C, On the history of geometrical continuity, 14 — 17. 

 Taylor, Sedley, On an apparatus illustrating the movement of sound-waves 



and water-waves, 18, 19. 



Venn, J., On the various notations adopted for expressing the common 

 propositions of logic, 36 — 47. 



On the employment of geometrical diagrams for the sensible repre- 

 sentation of logical propositions, 47—59. 



