The Stark County Democrat. [volume] (Canton, Ohio) 1833-1912, 1881-04-07
BOOK NOTICES,
POPULAR SCIENCE MoNTHLY-Conducted by Z
L. W ]. Youmans. Published by d. Appleton
Co, l. 3 and o. Bond street, New York. Fifty
cents per number, s. per year.

POPULAR SCIENCE MoNTHLY-Conducted by K
l., Il W j. Y0umans. Published by D. Appleton
d Co, l, 3 and 8, Bond street. New York Fifty
cents per number, s. per year.
There are fifteen articles In the April Popular
Science Monthly, all Of them readable and In.
slructlve, and several OF them Of great practical
value, Herbert Spencer opens the number with
his sixth paper on THE Development OF Political
Institutions" in which he discusses the subject
Of Political Heads or the cause and conditions
that determine the concentration Of authority
and power IN chiefs kings, etc. THE Black
Races OF 0ceanica," by DR.. R. Verneau, is an IL
Illustrated article devoted to a study OF the cranal
and facial characteristics Of The principal negro
races Of the Pacific Islands. DR.. Felix L. Oswald
continues his common sense treatment Of the
subject Of Physical Education" In an article on
"0ut Door Life" He claims, and with reason,
thatssa natural preventative Of disease, nothing
equals active exercise In the open air; and for
respiratory ailments especially It is superior to
anything else as a curative agent. For the
healthful development Of children 1t is indispen-
sable, and with It's associated opportunities may
be prohtably substituted for much OF the dreary
drill OF the school room. In the paper on the
History Of Chronology" by Professor Z s. Burns,
we have very Ineligible account Of the meth.
ods employed by the sncients in measuring time
the errors they fell into, with the resulting con.
fusion, and the Improvements that have been
effected with the advance Of accurate knowledge.
Some Notes on a Doctors Liability" by Oliver
Lyman, is a discussion Of the legal responsible.
ties Of physicians, which, in these days OF frequent
prosecutions for malpractice, both patients and
doctors will do well TO read "The Origin and
Structure OF Volcanic Cones" by Mr. Johnston.
Lavis is an illustrated description Of the forma.
ton Of those portion Of volcanoes that rise above
the general level Of the earths surface. Charles
Morris contributes q long article entitled Man
and the Vertebrate Series," which sets forth In
clear light our physical relationships with other
animals, and what there is that may be regarded
as distinctive in human nature Samuel Parsons,
Jr., writes briefly on "The Relative Hardness Of
Plants; and in the next article, also a short one,
"a Medical Man." undertakes TO answer the
question which everybody is asking, What is
Cold7" 1.-THE Publication of Sewer Waters" by
M Aub!ey.Yitet, is an account Of the several at
tempts that have been made to dispose Of the
sewerage Of Paris; wherein they have failed; and
tue prospectus vi tne lhIebt bCueuei WiCu COuslSbh
in the removal Of the solid matter, to be used for
agricultural purposes and the return Of the
water, thoroughly purified, directly to the rivers,
In the next paper Mr. spencer Walpole gives
highly entertaining sketch Of the late Frank
Buckland, noted English naturalist, whose In
teresting and often humorous natural history
articles have frequently appeared in the Monthly
"PlantatiOn Folk Lore" by Professor 7 F Crane;
"The Facility of Naturalists"; IAN Ancient scien.
tIst' and a sketch, with portrait, Of the diStin.
guished French mathematician, Michel Chasles,
lately deceased, complete the body Of the mum =
Der. We miss the usually vigorous articles OF the
EDITORS Table, which, for some unexplained
reason, has been omitted in this issue but III Q
other departments and particular the Popular
Miscellany, are uDcommonly full and varied.