INDEX.  589 
Separation  of  tin  from  arsenic   440 
Sherlock,  Thomas,  on  the  manufacture  of  caramel  brown   447 
Silver,  preparation  of  pure  ,   1G6 
Silvering  on  glass   350 
Silk  collodion    182 
Science  in  the  dairy     186 
School  of  pharmacy  ,  .,   187 
SZey,  William,  on  the  removal  of  nitric  acid  from  sulphuric  acid  by 
charcoal    66 
11  "       on  the  action  of  alkalies  upon  the  ferro-  and  ferri-cyan- 
ides  of  iron     176 
Smith,  A.  W.,  on  a  visit  to  a  Sussex  hop  garden   77 
Smith,  T.  and  II.,  on  Kerr's  solution  of  pernitrate  of  iron   171 
"  "         on  cryptopia   421 
Soap  plaster   386 
Source  of  muscular  power  ,   31 
Solution  of  nitrate  of  iron   171 
Solution  of  citrate  of  magnesia   112 
Solution  of  meconate  of  morphia   104 
Soaps,  estimation  of  resins  in  ,   76 
Solution  of  acetate  of  ammonia   45 
Solubility  of  iodine  in  tannin  liquids   181 
Southall,  Alfred,  on  tinct.  opii  and  liq.  opii  sedativus   559 
Specific  gravity  of  medicinal  chloroform   72 
Spider's  web  as  a  styptic  ,   67 
Spirit  of  lavender  compound    512 
Spirit  of  nitrous  ether   321 
Spongy  platinum  ,   185 
Squibb,  Dr.  Edward  R.,  letter  relative  to  alcoholic  extract  of  colocynth...  15 
"  11  on  an  improved  formula  for  fluid  ext.  of  bucbu...  129 
11  "  pharmacy  of  the  cinchonas  289,  398,  513 
"  "  calx  saccharatum,  syrupus  calcis   335 
Stearns,  F.,  the  pharmaceutical  business,  &c   33 
"       "   address  to  the  American  Pharmaceutical  Association   485 
Stas,  Prof.  J.  S.,  on  the  preparation  of  pure  silver   166 
Standard  thermometers  ,.,    255 
Steer,  Justin,  Ph.  D.,  on  Ptelea  trifoliata  ,   337 
Styptic  colloid   367 
Substitutes  for  ether  and  alcohol  in  the  oleo-resins   24 
Sublimation  of  the  alkaloids  538,  432 
Sulphuric  acid  purified  from  NO 5  by  charcoal  ,    66 
Sutherland,  J.,  process  for  estimating  resin  in  soaps   76 
Sulphate  of  manganese   139 
Sulphur  banks  in  California  ,,   155 
Sulphuret  of  carbon  in  petroleum   318 
Superior  glue  ,  «   185 
Sugar-coated  pills  and  granules   193 
