, 1873-06-01

l. raa1tv rn;ta 5;a+;,,,t, .,,a-.,,.r+1, +,.1,,,-
two rrolns ~ noisnna oniv ranraaant The onnn.
The best charactarioaT | e.nstica a. have an act;nn
which eTtanda haron1 +fot ~ 1oca1 hnrr;n., :, /
part Of them nsna+rst;ns ia .f;sane' ia often
carried along WITH The blood to q conaiderabls
distance from the starting point. Thus the iodine
purely local action entorinr tho cirouIation. It
nrodncea. after ei;r;nation Nv tha rnncnns: snr-
lace OF tie gtomscl1. ali the symptoms OF acuta
pastritis. - -, -
The cantharidine applied in blistars aftarward
produnng an irrif.f;or IN: fhe urinary nasaapes
by Which it in e1im;natad' Marc11rv rnbbed
OF, the sk;n csraae -, ';<|;tot;on ~ tha aa1;-
vary glands !; phosphorus produces fatty de-
dice. The d uaralVais T nnd CHEZ affections Of The
nervous system caused by arsenic and lead.
provo that these substances haYe an action
extending bovond tha dicegtiye organs. The
chemical alteration Of the blond cnrpusoles hv
carbonous OXIDE and sulphuretted hydrogen is
not sufficient to explain all the symptoms Of
stances termed drastic because Of the intense ir-
ritation they produce on mucous surfacee. do
not owe this property amply to chemical afini-
ties, for thoy set thus only on living substances,
capable Of reaction
PoiHons called narcotic" produce diminu-
ton Of eensibility, relation In the functions Of
the nervous eystem. Morphine paralvzinp the
functions Of the brain, atupefes the sonses:
while curare, which Ia Ike strvchnine in its
special action on tho MOTOR nerves. is like nnor-
phine, inasu1uch. in place OF exciting them. it
paralyzes them: the mind consciously receives
Impressions from without. by the sensitive
nervee, while the will is unable to move single
muscle. Chloroform, ether, nitrous OXIDE. and
which curaro does not affect.
Atropino, so often used in ophthalmio onor-
ations, prolucos dilatation Of the nnpie, whiia
physoatigmine has the opposite effect. santo~
nine acts on the retina, 80 rs to give all objects
looked at yellow color. Ipecacuanha root owes
to the emefine it contains its epecial action on
the stomach. Veratrne affects na,t;cnlarIv tho
mucous surface Of the noso. and wlen inhajod IN
very small ouantities. prodnces endlaas enea1- ~
ing. ~@~'' '''~o~
r fhs effects Of oninm. o1ten contr,d;ctorr
bayo baen ohserved for a 1onc +ima Wo~1r ~
IN exact knowledge Of these Rsa been raach@d hu"
Chemstrv. first consnted discnvered +, ,o9s oa,r
Of Various ouatea ak ~ oP1ua
aonarata1v. VIZ. mornhine nnrcot;na 1rnde;aa
n,rcaino nayavar;nn and thaha;na p,saa' eGau,e'
in \ eorios of Researches viii Hasa s}LaIn;SSs'
found that thnir action waa varions n da1raas
marked aonoTfic actian mnrnh;na s ,rnJncas ,n oss
less ngraoaha sloen co3eine hna tha aana 49,.
ertv in ioss daoraa IN tha Oliver | b.nd .' au pup
yer;ne, narcotine and ahora iii thaha;nsa thago
an e1c,t;nr and at;n,n1at;n9 a. astinn Maso
a.,o,, T1,n ac.aon, sometmes
az anhatancas i; dYarart tpa. ~ n,a;, oa tao
rie;,,s o. ~ aro.4 - aMea.a ] hnue u op'o" OK
Gnraro ~ - tI ,n;.on ,;t,, ;a
1ndans eao t9,enu ~n "4c se nalca1
!. pagpar;n .;, .nes allo"s Mnen an an1mal
Il h1op5 p3s4.u sftnn a "isn oaana11on OF me
, ea "iAo9 nh uoalu 1uo"e % ~ nas meu In59ugn as-
% ~ ",.a A." waGne ~ nel1a!o mas pro
o ~, - " te .es pafn1yzng actlon
ba,nsro nv ,a 1rocad arso;sI mu pas
oo;so oouoms le pro1ucSu htttnc'a fsspllhlon n
e nnearad f11 MGn th stus I'M 70
- ~ 81 lio4 tno oeatues Q! Tue 1ears ana