exxxvi Proceedings of the Asiatic Society of Bengal. [N.S., XV, 
The examination of the potash nen if mi the ashes of 
Indian indigenous plants.— . NEo 
uthor draws attention to the fact that acs in the form of 
fend dikar has been prepared in India from tim © immemorial by burn- 
of 
ashes of these plants have been analyzed and their potash content d 
mone with a view to their use for the manufacture of cihiale titi the 
“The enolisation of carbonyl compounds under the influence 
of Grignard’s reagents.—By V. K. Buaavat and J. J. 
ae UGH. 
at 904 Hibbert and Sudborough showed that an amy] ether solution 
lb methyl iodide produces sae ations enolisation in the case 
a gr te acetoacetate, the volume of me © measured corresponding 
ith enol Jtey 
The action of the same reagent towards various aldehydes, ketones 
tonic esters has been studied by determining the volume of 
olyl ben n 
ehyde, n butaldehyde, isobutalde yde, isovaleraldehyde, cinnamic 
dehyde, ethyl coe ethyl acetosuccinate, benzoylacetone, 
acetylacetone. 
The onaggeoene ae of glycerine by means of castor seed 
lipase.—By J. J. Supporoven, H. E. Watson and P. 
A. 
VaRM 
The ors have studied the action of castor seed lipase on cotton 
oil vith the object of obtaining the best condition for using the 
process for the manufacture of a e glycerine in India. iments 
e French, German patents have bee 
eriments show that a concentrated crude gl rine, which com- 
These glyce 
pares favourably with undistilled Twitchell glycerine, can be obtained by 
a agp of the French method. 
Details of methods of treating the oil and the roan wl and of the 
quo 
Pp nies of the sweet li r before concen are given 
Questions of optimum ye at one of co-ferments are mr 
e ° — he opinion that the castor seed at method 
should be able t tiated with the Twitchell process for the manufac- 
ture of Podioests oth of free fatty acids for use in soap and pele re aking. 
: These + ana peed out with an apparatus, which is spe- 
cially ial for _ purpose, and which i is based on the principle of the 
the unequal aenicuies of adsorption i in the two bulbs on both sides of 
the manometer, _are measured by effecting certain volume changes neces- 
sary to re-establish the equilibrium. These changes are effected in a cali- 
co! ; 
It is shown that the pa se on which the successful working of the 
apparatus is based, does not depend on the knowledge of the equation of 
state of the gas ‘alier tarsisteots on and it holds to the first approxima- 
tion for any gas law. 
