Am '\p°rnr'  1915 rm' }  New  Agent  in  Pulmonary  Tuberculosis.  181 
tract,  neither  does  it  produce  frontal  headache  or  renal  irritation, 
thus  decidedly  differing  from  oil  of  turpentine  or  pinene. 
4.  It  is  a  valuable  expectorant.  It  acts  as  a  mildly  stimulating 
diuretic  without  renal  irritation.  It  seems  to  stimulate  the  appetite 
and  digestion  and  thus  to  improve  nutrition. 
5.  Its  use  in  the  treatment  of  pulmonary  tuberculosis  has  been 
beneficial,  not  so  much  from  its  limited  bactericidal  action  upon 
tubercle  bacilli  as  by  its  effect  upon  the  associated  organisms  and  its 
hsematinic  power. 
6.  In  subacute  and  chronic  affections  of  the  respiratory  system 
it  is  indicated  as  a  mild  stimulant  to  the  mucous  membranes  and 
other  tissues. 
7.  When  brought  in  contact  with  infected  surfaces  it  inhibits 
the  growth  of  certain  pathogenic  micro-organisms,  and,  by  its 
hypersemic  property,  increases  the  circulation  in  the  infected  area, 
thus  promoting  the  destruction  of  such  organisms  by  phagocytosis. 
A  brief  preliminary  report  upon  this  subject  was  made  at  a  stated 
meeting  of  the  Xew  York  County  Medical  Society  on  May  27,  191 2. 
Since  then  the  clinical  observations  noted  have  been  confirmed  by 
several  colleagues  and  in  my  own  hospital  service. 
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Laennec  :  Quoted  by  Cointet. 
Schneider  and  Valz  :  Ibid. 
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