The Wichita daily eagle. [volume] (Wichita, Kan.) 1890-1906, 1902-10-23
NEW woRK ON BACTERIA
AS Found in the Analysis Of Drinking
Water.

water.
An introduction 10 the Bactr:ologica
examaination OF water BY Frof " II
Horrocks, London: J. < A. Churchill. 1871
The dominance OF scientific thought ir
this country b. German ideals and Ger
man methods have brought with it a GER
tain neglect of work carried on by Eng
Iish investigators. Professor Horrock s
clear and complete summary OF British
practice In meteorological water analy-
sis furnishes wholesome reminder that
in sanitary science. at least. England
still holds pre-esinent position.
The first thing which this book reveals
is the fact that the London bacteriologist
by no means initiates the provincialism
OF his confrere IN Berlin, for 1t contains
reviews Of the most recent work, on the
continent and in America as well as at
home For the first time since the Frank
lands published their Neutrality-suspicious.
In Water the literature relating TO the
conditions controlling the life OF bacteria
in water. the effect OF light, sedimenta-
ton and food supply and the normal bsc-
terial contents Of waters from various
sources. is brought fully up 70 date. The
work OF sirotnin. Care. Freudenreich
and Horrocks himself on the effects Of
antagonism is OF especial interest.
The cumulative analysis of water does
not appear TO have been 50 fully deye-
Ioped in England as in this country. In
treating Of its methods the author out
lines a needlessly cumbrous process q
plating. but fails 20 lag emphasis on the
urgent need for nutririve nedica II "a
known composition and for q definite
period OF incubation under standard con-
ditions as to temperature. moisture and
oxygen. It cannot be too often stated
that the one and only essential IN this
work is constancy OF conditions IL is
by no means necessary % obtain the de-
velopment OF the largest possible proper
ton Of the total bacteria present but
only 70 be sure thai the same proportion
will always develop when similar water
IS tested Towards this ideal the work %
the American Public Health Association
Committee has brought rs measurabiy
near in this country Professor Horrocks
does not dwell on This need for Uniform
ity q method az Sufficient leagth. lis
treatment Of the interpretation q The re-
suits OF the Quantitativs analysis is also
vague and incouclesiTe- = IS. - cgu--e.
dlHfcuIt 20 formulate any general stan
Gards. meteorological tests are too 1el-
cate 70 give The oG-hand Judgments
which are often demanded = them. lat
= is certain that i1 che hands - an ex-
peri they furnish the oriy thoroughly
safe criterion q the character of lr.r1-
ing-water. For instance study ~ f1.e
bacterial analysts q wen waters wEich
il protected from tho s1rfsce drairaee
rarely show IRE presence Of any iatsst-
inal bacteria. Wol.d have saves o1T
author from tn extreme statement fhst.
unless s1rrouudra IS 20 least as scrc
u virgin ground. shallow wells rrt ae
considered - dangerous aou-ces ~
supply
II TIRE treatment z thu mcEt Important
branch ~ wster hscterloiorF ere oraii-
tive Gusiysis. Fraftsssr Eiarrarss wo-k
e atusratle TIE arst chapter 81 fats
sectlcn Includes sssr1ipti1-s 90 ~ 1ae-
terra normal - urrcli1tet ware-s- Which,
arc grouped u-Eer rweive he1tt-Ea 49,
away from the vaiu affemrt 90 ~ rcii
e-eciss 20 fhs rre lfal taEx ~
marked types TIE 71estca p szE
bfcerlrs - Vital irnp1~fs1ce. Hrrrerrs
groups - TIE green csore1osut bacteria.
TIE res ch-oraose1s a1I RI t-e ed
valet rhrr-nozens. ror-ess-i 90 -
sane classes Il the FaEe- and sea1s--
sehs-re uss4auv accepted r. fhts c9artry
TIE Erzssh chserre- ce-tiraE t1e Te.-
law arf Grange caru-cEers 81 ere we
ard asas q zrc1- pr 2 t-ur-s-s az
othsr forms vhich Fro51rs trrnsa
cclls lr nutrient rs~lla- EcrrockRs =
aeceriils ssicsrl. group co-respis -
;he Tyrhos1s type q F'aiier zas Tch-Fea.
shcse Prutess tvps rrci1s.nE 2. -Te1.-
6es SRI p ueseaferfcas) ara seatfl-
tyrs. are cczbin~d - Horreeks r. ere
TIE Co4eze ty5e. Ire L.s-.-