36 
Varieties. 
f  Am.  Jour.  Pharm. 
\      Jan.  1, 1873. 
move  the  long  shoots,  which  would  by  their  weight  break  down  the 
cactus,  and  to  trim  the  plants  so  as  to  give  them  an  equal  weight  and 
form. 
baviettcs. 
TJie  International  Exposition  at  Vienna,  Austria,  which  will  take  place  du- 
ring the  coming  summer,  ia  attracting  considerable  attention  throughout  the 
United  States.  The  following,  which  we  copy  from  the  ''Journal  of  Applied 
Chemistry,"  has  special  reference  to  that  group  which  will  contain  the  crude 
articles  and  manufactured  products  of  the  drug  business,  and  which,  it  is  to  be 
hoped,  will  not  lack  in  variety  and  completeness  : 
At  a  meeting  of  citizens  of  New  York,  convened  upon  invitation  of  General 
Thos.  B.  Van  Buren,  United  States  Commissioner,  to  devise  measures  to  pro- 
mote the  objects  of  the  approaching  Exhibition  at  Vienna  in  1873,  it  was 
resolved  to  appoint  an  Advisory  Committee,  to  consist  of  one  member  for  each 
group,  upon  whom  should  devolve  the  duty  of  arousing  public  attention  to 
the  importance  of  securing  a  creditable  representation  of  the  resources  and 
products  of  the  United  States  in  Austria. 
The  undersigned,  having  been  requested  to  take  charge  of  the  Department  of 
Chemical  Industry,  begs  leave  to  call  the  attention  of  all  persons  interested  in 
the  subject  to  the  classification  of  the  Austrian  Commissioners  given  below, 
and  to  solicit  specimens  for  transmission  to  Vienna,  in  the  event  of  an  appro- 
priation being  made  by  Cougress  to  pay  the  expenses  of  transportation. 
CLASSIFICATION  OF  THE  IMPERIAL  COMMISSIONERS.  GROUP  3.  CHEMICAL  INDUSTRY. 
(a)  Chemical  products  for  technical  and  pharmaceutical  purposes — acids, 
salts,  chemical  preparations  of  all  sorts. 
(b)  Haw  substances  and  products  of  pharmacy,  mineral  waters,  &c. 
(c)  Fats  and  their  products — steariu,  oil  acids,  glycerin,  soaps,  candles  and 
tapers.  &c. 
(d)  Products  of  dry  distillation,  as  refined  petroleum,  slate  oil,  paraffin, 
phenylic  acid,  benzin,  aniliu,  &c. 
(e)  Etherial  oils  and  perfumeries. 
(/)  Matches,  &<?. 
(g)  Dyestuffs,  mineral  and  organic. 
(h)  Resins  (washed,  dyed  or  bleached),  sealing  wax,  varnish,  albumen,  isin- 
glass, glue,  starches,  dextrin,  &c. 
(e)  Contrivances  and  processes  used  in  chemical  productions. 
(A:)  Statistics  of  production. 
Application  for  permission  to  exhibit,  inclosing  statistics  of  production,  should 
be  addressed  to  General  Thos.  B.  Van  Buren,  United  States  Commissioner, 
No.  51.  Chambers  street,  New  York,  or  to  Charles  F.  Chandler,  Ph.  D.,  Chair- 
man of  Group  3,  Advisory  Committe,  School  of  Mines,  Columbia  College,  For- 
ty-ninth street,  corner  Fourth  avenue,  New  York. 
The  following  gentlemen  will  be  consulted  upon  questions  relating  to  Chemical 
Industry. 
Dr.  M.  Alsberg,  Brooklyn,  N.  Y.  Prof.  James  C.  Booth.  Philadelphia,  Pa. 
Prof.  J.  H.  Appleton,  Providence,  R.  I.  C.  Elton  Buck,  Esq  ,  Wilmington,  Del. 
Prof.  Geo.  F.  Barker,  New  Haven,  Ct.  Prof.  G.  C.  Caldwell, Ph.  D.,Ithaca,N.Y. 
William  T.  Blodgett,  Esq.,  New  York.  Prof.  W.  H.  Chandler,  Bethlehem,  Pa. 
