582  INDEX. 
Fnz,  John  B.,  on  the  preservation  of  medicinal  substances  ....553 
Equivalent  weights  of  magnesia  and  nickel  446 
Estimation  of  magnesia  and  the  fixed  alkalies  445 
Essential  oil  of  citrus  lumia  543 
Ether  as  a  remedy  for  deafness...   557 
Examination  of  oil  of  peppermint   105 
Explosion  of  hypophosphite  of  soda   87 
Explosive  nature  of  glonoin  524 
Explosive  properties  of  oxalate  of  peroxide  of  mercury  416 
Extract  of  nux  vomica,  alcoholic   ,  ,  135 
Extracts,  preservation  of  555 
Extraction  of  potato  starch  184 
Extract  of  hyoscyamus  541 
Extracts,  on  the  preparation  of  some  narcotic  539 
Eylerts,  Dr.  C,  analysis  of  beef's  marrow  559 
Fairbanks  Samuel,  chemical  examination  of  chimapkila  254 
Fecula  of  alstrcemeria   89 
Fermentation,    alcoholic   62 
Ferrar,  if.,  on  the  amount  of  cantharidin  in  the  different  parts  of  the  body 
of  the  Spanish  fly  270 
Ferris,  Charles  F.,  on  the  explosive  nature  of  glonoin  524 
Fewtrell,  W.  T.,  on  some  specimens  of  dugong  oil....  230 
Fluid  extract  of  burdock  178 
Fluid  extract  of  Leptandra  virginica  326 
Fluid  extract  of  Polytrichum  juniperianum  329 
Fluid  extract  of  wild  cherry  bark...  399 
Fougera,  F.,  on  liquor  ferri  iodidi  and  in  a  new  compound  of  iodine  and 
sugar   26 
Formation  of  tartaric  acid  from  milk,  sugar  and  gum  345 
Frederking,  C,  on  the  decoloration  of  sulphate  of  indigo  by  volatile  oils   46 
"         "    purification  of  SO3  from  arsenic   88 
Fremy,  E.  on  the  composition  of  vegetable  gums  366 
Fritsch,  Herman,  on  Carypha  pumos,  a  species  of  palm  213 
Frodsham,  J.  Millsr  on  the  preservation  of  leeches  323 
Fronefield,  Jr.  Charles,  on  the  seeds  of  Phellandrium  aquaticum  211 
Galbanum,  inquiries  relative  to   55 
Gallic  and  galhumic  acids   79 
Garratt's  electro-physiology  and  electro  therapeutics....  478 
Garlic,  (Allium  sativum)  a  new  variety..  ..543 
Gas  leakage  nuisance  467 
General  Council  of  Medical  Education  and  Registration  430 
Ge?itele,  J.  G,,  on  the  determination  of  grape  sugar,  cane  sugar  and  dex- 
trine in  their  mixtures   81 
Ginseng  467 
Girardin  §  Marchand,  on  herring  pickle.....  316 
