a . 
Sie 
_ Researches o 
in the nature of things, can be conceived to have a real as opp 
to an zdeal existence. Here the term magnitude denotes 
isting dimensions of body or of space, and the reasoning is con- 
ducted wholly in reference to what is true respecting real existen- 
y reasoning in another mode it appears, that there cannot 
‘De. a least conceivable magnitude, but that magnitude must be 
conceived as divisible beyond any assignable limit. — the 
term magnitude denotes an abstract conception, whose object is a 
mere object of thought, and the reasoning i is conduc 7 wholly in 
reference to what the mind can do in forming mer jects of 
thought, analytically, and, when they are thus ‘ace in dis- 
tinguishing between them %. 
_ The solution of this apparent contradiction, which has. rit 1erto- 
perplexed every inquiry respecting the divisibility of magnitude 
turns upon the difference between things existing as mere thinks, 
that is, as mere objects of thought, and things which are real ex- 
istences, whether we think of them or not. Itis a distinction, _ 
which a German would immediately recognize as made. between 
thought in itself—(Der Gedanke an sich), and thing in itse 
(Das Ding an sich); and claims our assent not merely as th ut 
as the starting point of all trath, i in _— to anythi 
with propriety be called mental scien 
sis may 
problems may be left, at least for the present, to the refi 
the geometrician. i 
Art. XX XI.—Researches on Salts ; by C. Ger 
Translated from the Journal de Pharmacie et de Chimie, t. xii: thire 
Tue following experiments, form the outlines of a 
tended research into the laws which govern the for 
the composition of salts. They are intended partict 
tion of salts. I hope, through them, to arrive ata 
preciation of what is to be understood by a neutral salt, 
and a basic ee 
e part most neglected in the history of the salts 
doubtedly that 2 which relates to the basic or subsalts. 
introduction of polybasic acids, it is no longer possib! 
precise definition of them; for we do not so readily 
difference which can exist. between a salt said to bet 
taining two or three equivalents of o and a 
containing the same number. In most cas 
not indicate, in this respect, any difference. — — 
Srconp Sznizs, Vol. VI, No, 18.—Noy., ae 
