588  INDEX. 
Rish-e-Taft  or  taftroot  .   334 
Ringaud,  M.,  on  the  preparation  of  vermillion   444 
Rochleder's  Proximate  Analysis  ,   81,  177,  465 
Rock-oil  or  petroleum,  history  of,   527 
Rotatory  power  of  fixed  and  volatile  oils   140 
Roscoe,  Prof.,  on  perchloric  acid  and  its  hydrates   64 
Rubidium,  a  new  metal   67 
Rubidium  in  tobacco,  tea,  coffee,  grapes,  etc   440 
Ruschenberger,  Dr.  TP.  S.  W.,  U.  S.  N.,  translation  of  molecular  dissymme- 
try of  natural  organic  products  .    1,  97 
Russian  method  for  the  preservation  of  fruits  and  vegetables   413 
Saccharine  secretion  of  the  flowers  of  crown  imperial.   507 
Safety  lamp  for  laboratory  use   217 
Saltpetre  manufacture,  beet-root,  salts  in  the   508 
Saracenia  purpurea  a  remedy  for  small-pox   362 
Seeds  of  scaphium   548 
Seekamp,  M.  TP.,  on  the  decomposition  of  oxalic  acid  by  light   216 
Senecio  doronicum  substitute  for  arnica   395 
Sheridan,  Richard  B.,  on  Unguentum  mezerei   392 
Shinn,  James  T.,  on  ferrated  elixir  of  bark   204 
Pharmaceutical  notes...   306 
Simmonds,  P.  L.,  F.  S.  S.,  on  the  trade  in  liquoriee   449 
Smedley,  Bennett  L.,  on  Baptisia  tinctoria   310 
Smyser,  George  M.,  on  Ptelea  trifoliata   198 
Solanum  lycopersicum,  on  the  juice  of   515 
Solid  oil  of  mint   32 
Solubility  of  sulphate  of  quinia   423 
Solubility  of  sulphate  of  quinidia   423 
Solubility  of  sulphate  of  cinchonia   425 
Solubility  of  cream  of  tartar  in  acids   39 
Sophistication   330 
Specimens  of  Materia  Medica  for  London  Exhibition,  list  of   190 
Spontaneous  decomposition  of  gun-cotton   187 
Spontaneous  decomposition  of  pyroxylin   401 
Spoiled  wine   507 
Spurious  extract  of  jalap   113 
Squire,  Peter,  F.  C.  S.,  on  medicinal  extracts,  taking  belladonna  as  an  ex- 
ample  169 
Squire,  IP.  Stevens,  on  the  preparation  of  iodide  of  potassium  and  some 
other  iodides   437 
Statice  latifolium   550 
St.  Louis  Pharmaceutical  Association   190 
Still  for  oil  of  cloves   27 
Stenhouse,  John,  F.  R.  S.,  on  larixinic  acid   555 
"  "  on  some  varieties  of  tannin   252 
Stearoptens   330 
