140 Scientific Intelligence. 
3. On the heat of neutralization of organic and inorganic | 
bases soluble in water.—J. Tuomsen in Copenhagen, has published | 
the principal results of a recent investigation of the quantities of 7 
heat evolved in the neutralization, of different bases of the same | 
acid. ‘These researches have led to the remarkable result that the | 
is 18750°; that of Ag,O 14040°. The author infers from this 
result that the chemical character of the process of neutralization — 
is different in different cases. Thus the first named eight bases 
with 
am 
analogous to an alkaline hydrate. In conclusion, the author prom 
ises an investigation of the thermic relations of the organic base® 
— Berichte der Deutschen Chem. Gesellschaft, 4ter Jahrgang, P 
308. we 
Il Grotocgy anp Natura. History. 
1, Currents o the Oceans,—Mr. James Crott, in the Philosopht 
eal Magazine for 1870, volume xxxix, sustains the view that the 
o L. 
think rightly, that the superficial action of the trades is not 
cient cause for v 
rent year by the Royal Geographical Society. from which we «ite 
his Bho fee Fig after stating 4 siggest it principles on which be 
