i d 
ae geal will, we hope, be rewarded an extensive 
enterpr 
x Sr a this host admirable wo ae ‘No chool-reom and no family should be witheng the Physical 
ie hands of a judicious teacher, or head of a a family, information of the most se nature 
-- in all departments of science 2 and-natural history can be introduced and commented on, in refer- 
A ie ny desired extent. Such works give attractiveness to knowledge, and stimulate to energy 
: : 5 : 
exhibited, the faculties of imagination and judgment find room for equal exercise and renewed 
delight. It is the lively picture and alee 5 our planet.—N. Y. Lit. World, Maes h 9, 1850. 
a The book before us is, in short, a graphic qneyelopedis of the sciences—an atlas of human 
de ge done into maps. It exemplifies the truth which it expresses—that he who runs may 
er (rea her 
e mal Laws of Leslie it enunciates by a bent li g across a map of Europe; 
the abstract researches of Gauss it embodies in a few parallel curves winding over a section of the =. 
globe; a formula of Laplace it melts down to a little path of mezzotint sh oa ; a problem of the. (~ 
tT endental analysis, which covers pages with definite integrals, it makes plain to the eye bya © 
little stippling and hatching on a given degree of longitade! A f time and” 
Space, heat and cold, wet and dry, frost and snow, volcano and storm, current and tide, plant and ~~ 
, Gerstood—are brought together by a marvellous microcosm, — planted on these little sheets of 
Paper, thus making themselves clear to every eye. In short, we have a summary of all the cross- 
questions o — ature for twenty c cen nturies—and all the answers of Nature herself set Bs dtee 
~ Speaking to s un mot. or Johnston is well known as a geo- 
ey Bn of sth nonuiaey and. aie and it is certain that this work will add to his erie tation 
= lly e: pand 
pher 
- is beautifull ce ompanied with we we and tabular leitorpiae of wreak 
"Te ‘the to’ the stu ent, and to the already ine Bat daily i aes acitroeg of inqui- 
rers who ee natura panes, the Physical Atias is of incaleu value. i brings 
i; more ne™ anorami and in Rg 
Prehensible, : all ‘ie pF ue eoraeat known relative to the great subjects of 2h it sone ly and 
may be regarded as a lucid epitome of a pp scattered volumes, ——— or less intrinsi cally 
w 
_ We possess, indeed, the valuable Physical Atla: var Mr. Keith Johnston, whieh may well be asso- 
_. Clated with Mrs. Somerville’s book, for their eetiet ill tion. But this s is ee a oes 
undertaking, and by no means yet known or studied cr. with its ei its. 
S are as essential i 
' Inone Feet eotigat 12mo. hog ae ser 
interesting. — North American. 
