INDEX.  593 
Freestone  of  extraordinary  strength  183 
Funnels  in  displacement,  use  of  327 
Garrod,  Dr.  A.  B.,  report  on  McAndrew  &  Son's  scammony  274 
Gaultheria  procumbens   31 
Gaudenet,  31.,  on  the  preservation  of  photographs  on  paper  279 
Geisler,  31.,  on  the  essence  of  scurvy-grass    416 
Geith  E.,  on  the  determination  of  tallow  or  stearic  acid  in  wax  417 
Ginseng  excitement  »  480 
Gleanings  from  the  French  Journals  229,  410 
Glycerin  water  «■   18 
Glycerole  of  lead  442 
Glycerin  ointment  for  the  itch  580 
Gmelin,  31.  Otto,  on  the  constitution  of  solania  417 
Gobley,  31.,  on  vanillin,  the  odorous  principle  of  vanilla  130 
Grahame,  Israel  J,  on  syrup  of  ipecacuanha  143 
"  "        on  fluid  extract  of  buchu  349 
"  "         on  the  process  of  percolation  or  displacement....,  354 
"  "        on  fluid  extract  of  valerian  379 
"  on  mel  rosae  443 
Gratiola  officinalis  ,  340 
Gratiolin    340 
Gratiosolin  341 
Gratiolacrin  341 
Gue,rin-3Ienneville,  31.,  on  the  animal  bread  of  the  Mexicans   74 
Guillermond,  31.,  on  the  assay  of  Peruvian  bark  .426 
Gum  tragacantb  161,  243 
Growth  of  coral,  rate  of  the  185 
Hematoxylin..,  453 
Hairs  of  the  urtiaceae  184 
Hanbury,  Daniel,  on  otto  of  roses  333 
Heintzleman,  Joseph  Aug.,  on  Anagallis  arvensis  299 
Headland,  on  the  action  of  medicines  on  the  system  ,  487 
Ileinitsh,  Charles  A.,  on  citrate  of  iron  and  strychnia  ,   23 
Hemlock  pitch  as  produced  in  Michigan  ,   28 
Hemlock  oil  as  produced  in  Michigan   29 
Henry,  A.,  on  iron  reduced  by  carbon  „  129 
Hetet,  Prof.,  on  the  vermifuge  properties  of  Ailanthus  glandulosa  ,...329 
Ilewson,  F.  C.  E.,  on  the  preservation  of  timber   174 
Hofmann,  Dr.,  on  iodonitrate  of  silver  ,  456 
Ilorncastle,  John,  on  citromel  and  tartromel  of  iodide  of  iron   64 
Horsechestnuts,  ethereal  oil  of  ,  231 
Hupp,  J.  C,  M.  D.,  on  the  therapeutic  uses  of  protein  ,  402 
Hydrargyri  iodidum  ,  57,  203 
Hydrargyri  iodidum  rubrum   58,  409 
Hydrocyanic  acid  in  tobacco  smoke   76 
Hydrobryotin  251 
Hyoscyamus,  saltpetre  in  402 
llypophosphites  of  quinia  ,  285 
