New-York tribune., 1895-12-08
MEDICAL AND SANITARY NOTES


funeral have not yet been made
MEDICAL AND SANITARY NOTES
DEVELOPMENT OF VARIOUS DISEASES.-Ac-
cordng to Investigations made by the Clinical So
ciety. London the period of incubation for dphthera
does not. as rule. exceed four days, and is more
often two. though 1t may also extend TO FIVE six or
seven; the infection may take place any time In
the course OF the disease and mild cases may spread
It, In the OF typhoid fever. this may
within wide limits. twelve to fourteen days but not
,roduced into the system by food and drink, 1T is
not carried from one person to another but several
may get II from the source. contaminated
water and milk being the usual causes Epidemic IN
few hours to three or four days, generally striking
suddenly and without warning and a patient may
carry infection throughout the whole course Of the
disease Mumps have an incubation period OF from 81
daily m the se eas see Of measles the poa
usually short. being counted from the date OF the
have long incubation period, and the infectivy
diminishes in day or two after the disappearance
OF the rash.
EFFECT OF EYE sTRAIN.-The researches made
! by DR.. Prentice author Of note the eye and
its diseases have led him to PROFOUND the somewhat
novel theory every function of the bodily organs
Is controlled by the nerves. and when an organ be
II the liver, kidneys heart or any other. does any
ence Is legitimate that 1t has received some alb
searches TFtfs in h ne hs concsons ars ha the
visual nerves are more sensitive than those that
in the vast majority of cases the visual nerves
suner a constant strain because OF defects In
unsuspected by the patient; and this eye-stran,
acting from the hour Of birth, often produces dis
/ ments thus arising being consumption, deafness
diabetes, ovarlt!s, prostatitis. etc.
| FORCE OF NEUTRALITY-SUSPICIOUS. are
reported to have been made by DIR. Black dentist
| OF Jacksonville. Fla. to determine the force ex-
erted by the human jaws in chewing food, and
also the greatest force which the jaws capable
or eXerting. BY OF spring instrument
! provided with registering device he took-accord
ing TO the account given-records OF about one
az fh 1G b my Di1es OF dIv,e iS bs
ordinary man, woman and child The smallest
girl, years old. with the incisors but using
her moars the same child exerted force OF
a physician OF thrty-hve, the instrument used
together without any apparent effort, there being
also no method Of determining how far above
made With the molars Several persons exceeded
force Of 100 pounds with the inc,sors and 200 WITH
! condition OF the persons expermenied upon seemed
the opinion that the condition Of the perldental
membranes is the controlling factor, rather than
ing Of food much more force is habtually exerted
! than is necessary.
CONDITIONS AFFECTING COLOR PERCEP
! TION.-The idea has recently been set forth by
German writer that there are no strictly homo
geneous coors, provided that homogeneous light
consists in reality only OF the rays OF one wave
| length. for on employing the usual media for
| decomposing white light-that is, the prisms or
frame and slit-a superpostion of the individual
to the marked breadth Of the slit in
with the size Of the Taye enghs rrom m 'hs ms eYs
to color is not caused by any one wave Length ienstnii
s eE sra sna @ hns S the
lent idea OF purple beng senslIve cpor % n oI az,
! is not present in the spectrum, as red and volet
being situated at the ends OF the spectrum ana
If these no longer visible red and violet rays be
to Pps VIII prs at dark
object on a light ground; one edge Of the object
the other with blue violet while green Is con,
! spicuous by its absence. as no superposiuon can
| now arise between blue and yellow
! PHYsIOGNOMY INFLUENCED BY OCCUPA-
| TION.-A suggestive article on this subject Is
| contributed by DR.. Louis Robinson to 'Blackwoods
| Magazine" the types selected by him for the pur-
pose being professional musicians. priests, actors,
! actresses and blacksmiths. the pursuits OF these
| showing he AYERS. strongly marked facial ex-
preston Even the style of hair, he says, which
! has become az: ocated with musicians IS NOT az
together dependent on fashion. but is evidence OF
trophic changes resulting from men,aI hapts, me
| Influenced by emotions. Further priests cannot
change their priestly countenance II they wished
tissue over the cheek bones and under the jaws Of
ment Which leaves distinctive marks, while the
Consciousness. perhaps OF snare IN the aposi1,Ic
other classes mentioned are discussed IN similar
strain by this writer the aim beng as intima,ea,
ogaomical indications on sound basis-a olnlcuit
,SsK 9sK ,b organic part of ar show every sign
OF guilt when there is no guilt but there may be
0nly temptation
DIsINFECTION MADE AGREEABLE.-The re-
ported method originated by al. Villou, of Paris.
for disinfectng rooms by means OF perfumes Is at
least Of comforting assurance 10 the SICK AS eN-
nlained he prepares special sachets capable OF diff
fusing the odor with which they are charged in
any kind of receptacle. al that Is needed Deihg
to place couple OF these sachets in a little water:
The substance which may be violet, rose, jessa-
mine. other essence rs mixed Sitd Sn ssSse,
saccharic acid, and inc.0seo IN "a ~Llte sdGnes'
donate OF soda these substances mixing when the
se;d gas which diruses the odor throughou The
room Sachets with oxygen as Dasis can pre-
No reG with powdered permanganatc or potash IN
one and binoxide OF barytum IN tne otheE. Breilyi
is stated the sachet mas nTTey TO eu6, be 20
SET free constant for saturating the atmosphere
OF the patients apartment
SANITARY NATURE OF SOIL IN BURIAL
GROITNDS-In a paper read before the Royal So
c!ey Of Edinbu gh by d. j. b Young the results are
given of various experiments made by him on the
and meteorological condition OF soils, with
special reference to the soil OF sraveyards sam
mics of soil for meteorological examination were
taken nr Tr.n opened m for burial and the investigation
VS. made with as little delay as possible SnuIner-
ating the organisms thus discovered, Dr Young con
cndes that the soil Of graveyards contain. as a
riie more bacteria than virgin soil does ana that
10 bacteria are not numerous imlnedIateiy
.iu .iuura,nSinr the collins but some distance above,
and that at short distance under the cQf1ns there
a. q marked dlminuton observable in the number
of bacteria present In the immediate vicinity of
the collins the liquefying bacteria known "a, as
.rroteus vulgars" ." found to be especially
abmndsnt Finally DR. Young points out what
NAV be considered quite an important fact that 80
far as his experiments have bseh puisuseu i r.'s
tend to show the little If any. effect which burias
ha,,a in Increasing organic matter III the upper
in,'ars " Of The soil whereas they have marked
.ncr1 on the layers which contain the collins; tnat
a. y, deo,hs greater than four feet or thereabout
/ 49, AT ueP1Ha -rbe orgaufc Nitrogen and r