Vlll CONTENTS OF VOL. XXXIII. — FOURTH SERIES. 



Page 

 On the relations existing between the Composition, Density, 



and Refracting-power of Saline Solutions, by M. Fouque . . 555 

 On the Estimation of Star-colours, by Sidney B. Kincaid, Esq^. 557 



Index 560 



PLATES. 



I. Illustrative of Dr. A. Topler's Paper on the Application of the Prin- 

 ciple of Stroboscopic Disks to the Optical Analysis of Vibrating 

 Bodies, and Dr. Neumann's on an Apparatus for directly measu- 

 ring the Velocity of Sound in the atmosphere. 



II. Illustrative of Mr. G. F. Rodwell's Paper on some Effects produced 

 by a Fluid in Motion. 



III. Illustrative of Mr. G. Forbes's Paper on the Meteoric Shower of 



the 14th of November, 1866. 



IV. Illustrative of Mr. C. Tomlinson's Paper on some Phenomena con- 



nected with the Adhesion of Liquids to Liquids. 



MG 3,1357, 



