- Lt tf *'
t:;tii


derived


from


actsR, established


isteur's experiments. These-ver
through the genius and patient ion


the French
epidemics


savant, may yet


now


enable


so destructive


us. to limit


human


.life;


er and


von Dusch


have


found that atmospheric germs


 y be
 ;..


rted


excluded


by a


cotton


filter, and


,and- to a certain extent proved,


it has, long ago, been
that the cause of mala-


is manifestation


, whatever that may be, can also be excluded


a room by a similar


in the open windows.*


contrivance, as


It has


a thin


heretofore


cotton screen
been an unac-


notable fact that diphtheria and


ait greater extent and with


ar diseases prevail to a


greater destructiveness in some


than


in others


not very distant, and whose hygienic


tions are similar or even superior ;t


that cholera and yel-


jtw fever, for instance, sometimes assail and prove more fatal
Si^piortions of a city supposed to be in a superior sanitary con-
th4ition, and assail or only moderately afflict those in such a con-


fition as seemed particularly to


invite disease.


In a wirm and moist climate like that of Florida, we should


pect


to find putrefaction


.and


decay particularly active, but


e -facts are, so


far as my observations


have extended


, tbat i,


village and along the river for some distances, that


milk


|ours and meat putrefiee at


a lower


temperature, or sooner in


S*. A thick belt of trees, and of the sun flower plant will also intercept these
 fg t. The eucalyptus has lately become especially the subject of experi-
 ,SpF tt wherever it will grow. It is not certain whether it acts simply as a
 ;;iters, like other trees, but morq effectually because its foliage commenoee close
:i tohe earth or whether the effect is jointly due to this and some specific id-
tttnce in virtue of ita remarkable balsamic odor; perhaps, in wet localities
 its draining property; its extraordinarily rapid growth necaitating
 applyy of moisture from its roots. .


Report of the Boston Board of gqalth states that diphtheria bha pre-
6 areer extent in the better districts of the city.


'I Y.
 at


:that tbi atatepesat invalidates fay of tUe omaio$p.
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