522 
PROCEEDINGS  OP  THE 
Henry  A.  Tilden  of  New  Lebanon,  N.  Y.,  describing  a  new 
powdering  apparatus,  accompanied  by  two  photographic  views 
illustrating  the  apparatus.  On  motion  the  Executive  Commit- 
tee were  directed  to  procure  wood  cuts  of  the  apparatus  to  be 
printed  with  the  description  in  the  Proceedings. 
Mr.  Cushman  of  New  York  presented  an  arrangement  for  ap- 
plying medicated  vapors  to  the  throat  and  lungs,  which  from  its 
form  is  called  a  "Medicated  Cigar,"  accompanied  by  an  ex- 
planation of  the  manner  of  using  it. 
It  was  voted  not  to  publish  the  paper,  as  the  "  Medicated  Ci- 
gar "  is  patented. 
Mr.  Coddington,  of  New  York,  read  a  volunteer  paper  »  On 
the  probable  influence  of  isomerism  on  the  therapeutic  power  of 
substances." 
Dr.  W.  H,  Pile,  of  Philadelphia,  read  a  paper  accompanying 
a  table  of  the  specific  gravity  of  water  at  various  temperatures — 
which  had  been  prepared  with  great  care,  and  would  be  found 
of  considerable  practical  utility  in  making  investigations. 
Mr.  Colcord  having  arrived,  he  resumed  his  functions  as  Presi- 
dent. 
William  Procter,  Jr.,  on  behalf  of  Ferdinand  F.  Mayer,  of 
New  York,  read  a  paper  on  Liquor  Ferri  Iodidi  and  the  tests 
for  Iodine.  The  peculiarity  of  the  solution  recommended  is  the 
fact  of  its  preservation  by  hyposulphite  of  soda. 
Prof.  George  Thurber,  of  New  York,  presented  specimens  of 
Zamia  integrifolia,  the  source  of  true  Florida  Arrow  Root,  with 
verbal  remarks  on  its  characteristics,  which  he  was  requested  to 
put  on  paper  for  publication. 
F.  Chapman  Hill,  of  Philadelphia,  presented  living  specimens 
of  Cantharis  atrata,  collected  that  morning  near  Waltham,  Mass. 
And  on  the  invitation  of  members  agreed  to  prepare  a  paper  on 
the  subject  of  our  native  Cantharis  for  next  year. 
Alexander  Cushman,  of  New  York,  read  a  paper  on  the  com- 
parative analyses  of  Price's  and  American  glycerin,  which  was 
referred  to  the  Executive  Committee. 
The  committee  on  a  list  of  subjects  for  the  ensuing  year  of- 
fered the  following,  which  was  adopted,  viz.: 
The  Committee  to  whom  was  referred  the  preparation  of  a 
