The sun., 1916-01-22

;rogen compounds ard explosives. OF
radium, of the periodic law. of electro
chemistry and many commercial appli-
cations. the hydro carbons. sugar. al
cohol coal tar. salt and so on. 1t Is
the sort OF information that every one
ought to have. the lack OF which has
caused many to be startled By the com
rl.Cations IA many industries tha, have
arisen from the cutting off Of chemical
supplies by the present WA.
In The Automobile Book" ~
Charles T. Duryea and James E
flomans tSturgis and " alton Com
panyJ. We have a complete. practical
encyclopedia for every ything relating to
motor cars. including the art Of rum
ming them. The authors limit them
selves Ia cars driven Icy gaso.ene en-
gines, but they have good dea. TO
say about other means Of propulsion
and most uf their directions apply to
any car. They include the history OF
the development uf the Industry and
of most OF tho inventions that are
utilized. The informal and drec-
tons are put clearly in short para
graphs. provided with precise ind!ca-
,ions Of their contents, arranged sys-
temat.cally IN tho order most useful
10 the learner, beginning with the en-
gine and then, taking up the subsidiary
parts. II Is a book that every one
who owns or drives a car will need
Notwithstanding the joCular tone
the author assumes. there is much eie-
mentary information that will interest
all who care for Chinese porcelain in
Winfred Reed Tredwcli's Chinese Art
Motives Interpreted" GO. =. putnam's
Sons). The author explains the mean
ing Of the more common marks in
the porcelain Of various periods and
ais" of the figures. human and animal.
II is an amusing and instructive little
book and the authors drawings are
helpful,
Much useful Information is supplied
in very compact form in Everyday
Rhetoric" by rrof. Loring Holmes
Dodd. PHI n, of clark College ,The
Davis Press, Worcester. MaSsD. q thin
volume that seems To have been COM
piled for the convenience Of the class
room. 1t deals with the elements OF
English composition rather than with
rhetoric. with spelling. punctuation
common blunders, g,ammat!cal diff
cult.ss ana So on, and touches also
on phrases about which opinions differ.
In the mass of examples the author
has collected il VIII he found that
many reputable authors have bee n
guilty OF bad or sluvenly English. |;
is hardly fair to quote such instances
as authority for usage. the habi;ual
use OF "on;o," for instance. is one
thing; an occasional sap in using 4
for "on" Is Il different matter. The
little book e bright and useful. even
II il is possible "a differ with the
author on some points of grammar
and usage and Mt tn put the inter
pretation h. does on some Of his
examples
The hr,ef dissertation on the eXtcn-
sion of the sigma Corps by Gen
George +. Scr!ven The Service o.,
Information. United States Army"
Government Printing Ot'ice, Wash
ington). Is a timely contribution Ia the
discussion Of preparedness. The au-
thor explains what the functions of
the signal Corps are in war including
the Use ~ aircraft, and goes fully into
the question OF how the service should
he improved. He also gives a brief
account Of how the service Is man.
aged in foreign armies
Until recent years. at any rate, what
ever faults the French schools had
they turned out boys who could write
their native language and appreciate
its literature as few English or Ameri-
can college graduates do. Prof. Rollo
Water Brown OF Wabash College. who
is obliged to teach English compost
tion, decided to find out how this was
done, and in How the French Boy
Learns 70 Write" tHarvard University
Press, Cambridge. Mass.) he gives the
conclusions he has come to after q
years close study ot French boys
schools, He gives an enthusiastic and
technical description Of an effective
system the better portions of which
he would like TO see applied to the
study Of English In this country. II 10