228 



Analyses of Books. 



[March 



of potash, which has been stated by M. Dubue to be always 

 the case with alcohol prepared by its means. 



The mixtures were made by weight, well shaken, and 

 allowed to stand 24 hours before the specific gravity of the 

 mixtures was determined. 



C To be continued. J 



Article VII. 



ANALYSES OF BOOKS. 



Philosophical Transactions for 1834, Part II. 



This portion of the transactions of the Royal Society contains several 

 important papers, especially in the department of electricity. The 

 contents are : 



On some Elementary Laws of Electricity. By W. Snow Har- 

 ris, F. R. S. 



On a general method in Dynamics. By W. R. Hamilton, Esq. 



An Investigation of the Laws which govern the motion of Steam 

 Vessels, by P. W. Barlow, Esq. 



On* the generation of the Marsupial Animals. By R. Owen, Esq. 



Observations on the structure and functions of tubular and cellular 

 Polypi and of Ascidiae. By Joseph J. Lister, Esq. 



On the nervous system of the Sphynx Ligustri. By G. New- 

 port, Esq. 



Experimental Researches in Electricity, 8th Series. By M. Fa- 

 raday. 



