200  Some  Studies  on  the  Oxy-pinenes.  {^'^^S^™' 
regard  to  ozonides  in  general  and  ozonide  of  pinene  in  particular,  I 
thought  it  would  be  of  interest  to  see  what  the  periodical  literature 
accessible  in  the  New  York  Public  Library  contained  in  this  line, 
and,  in  the  hope  that  the  investigation  might  interest  others  as  it  did 
me,  I  herewith  submit  the  result  of  the  research. 
The  first  thing  that  impressed  me  was  that  the  very  vapor  of 
ozonide  of  pinene  which  Dr.  Waters  says  he  used  was  known  as  early 
as  1865. 
By  his  many  contributions  to  the  Comptes  rendus  .  .  .  de  V  Acade- 
mic des  Sciences  from  1854  J.  L.  Soret  added  considerably  to  our 
knowledge  of  ozone,  and  in  one  of  his  articles  (Compt.  rend.,  1865, 
p.  41)  he  states  that  he  has  found  that  oil  of  turpentine  was  able 
to  absorb  ozone  in  its  molecular  form,  i.e.,  as  03,  and  without  de- 
composing it  in  any  way. 
Cornelius  B.  Fox,  in  his  work  on  "  Ozone  and  Antozone,"  London, 
1873,  refers  to  this  work  of  Soret  in  the  following  words :  "  He  has 
discovered  that,  whereas  most  substances  only  remove  the  third  atom 
of  oxygen  from  ozone,  oil  of  turpentine  is  capable  of  absorbing  the 
whole  molecule.  If  92  cubic  inches  of  ozonized  oxygen  are  treated 
with  oil  of  turpentine  instead  of  with  mercury,  a  white  cloud  is  pro- 
duced, and  the  residual  oxygen  is  found  to  occupy  a  volume  of  only 
76  cubic  inches." 
This  was  undoubtedly  the  first  discovery  and  description  of 
ozonized  oil  of  turpentine,  or  rather  ozonide  of  pinene,  and  is  the  very 
same  vapor  which  Dr.  Waters  describes  in  his  article. 
In  his  seven  ways  of  producing  ozone  Fox  further  states :  "  By 
the  slow  oxidation  from  exposure  to  light  and  air  of  certain  ethers, 
volatile  and  resin  oils  and  other  bodies,  which  have  been  denominated 
"  ozone  carriers,"  such  as  .  .  .  oil  of  turpentine  .  .  .  cinnamon  .  .  . 
the  blood-corpuscles,  etc.,  these  bodies  are  said  to  absorb  ozone 
without  combining  with  it,  and  to  possess  the  property  of  yielding 
it  up  to  other  substances.  .  .  .  Some  have  said  that  these  essential 
cils  ...  do  not  betray  the  presence  of  ozone,  but  of  peroxide  of 
hydrogen." 
A  most  significant  statement,  in  the  light  of  our  present  knowl- 
edge of  the  matter ! 
Previous  to  this,  however,  in  the  Lancet,  February  3,  1866,  Dr. 
Day,  of  Geelong,  advocated  the  use  of  these  "  ozone  carriers  "  for 
sanitary  purposes.  He  recommends  that  "shirts,  blankets,  bedclothing 
and  bandages  of  the  sick  "  be  sprinkled  with  an  ether  which  had 
undergone  this  process  of  ozonization. 
