eee 
Lithium does possess so 
_ Is said to have led to the discovery of the me 
J. W. Mallet on the Atomic Weight of Lithium. 349 
Thus, then, the continent was completed. Contraction was 
the power, under Divine direction, which led to the oscillations 
of the crust, the varied successions in the strata, and the exuvia- 
tions of the earth’s life, era after era. Acting from the Atlantic 
and Pacific directions, it caused the southern prolongation of the 
growing land from the icy North to the tropics, while it rai 
mountains on the borders, and helped to spread the interior with 
plains, varied slopes, and lakes. And, finally, through its action 
er the north, the surface received its last touches, fitting it 
for a new age—the Age of Mind. 
Arr. XX VI.—Re-determination of the Atomic Weight of Lathium ; 
by J. W. Maxuet, Ph.D.; Professor of Chemistry, Univ. of 
Alabama. 
an atomic weignies fact which 
Tate experiments made for the purpose of fixing the number 
with precision. 
_ The following historical notice of what has been already done 
in this direction I have taken from a valuable little work by 
the latter,) was gradually evolved, until winter had settled about the poles as well 
. “ earth’s loftier unite leaving a limited zone,—and that with 
ariations,—to tual summer. : Sage ae 
_ The organic Sauciat the earth, from its primal simplicity to the final diversity, 
is well known to exemplify in many ways the same great princi le. So) a pee 
E eatures i vidualized :—first, 
m ‘ei i 2 myriad details in 
which its special characteristics, its magnificent perfection, and its great purpose 
consist. 
. 
