Oleum  riisci     355 
Oliveri^  V  and  A.  Denaro.    Quassin   29 
Omizochitl  (Polianthes)   186 
Oncns  esculentiis,  use  in  Mexico     387 
Opiata  de  copaiba  compuesta,  of  Pharm.  Mexicana   440 
Opionin   425 
Opium,  estimation  of  morphine   391 
Persian   36 
Opuntia  cochinillifera,  O.  Hernandezii,  O.  nopalilla,  O.  rosea,  O.  tuna.. 
449,  450 
Oranges,  as  galactagogue   558 
Orantin  in  annatto   109 
Origano  (Lippia)   334 
•Origanum  dictamnus,  use  in  Mexico   553 
Orris  butter,  Grasse   133 
Oxyacanthin,  detection   452 
Oxytropine   108 
•Ozonein,  as  disinfectant   556 
Paqua  (Persea)    234 
Pain  paint  for  headache,  etc   27 
Palmer,  J.  Dahney.    Poisonous  properties  of  nutmeg   23 
Panal  (Lepidium)   604 
Pancratium  illyricum,  use  in  Mexico   554 
Pancreas,  digestive  power   455 
Pangium  edule,  use   .  -    562 
Papain,  action  of   569 
Papaver  rhoeas,  use  in  Mexico   311 
Papaverine,  corrected  formula   606 
Paper,  rendered  pliable   24 
moth   27 
Parabuxinidine   145 
Parafflnum  iodatum   240 
liquid,  as  a  solvent  and  in  analysis   151 
Paraldehyd,  as  test  for  caramel   171 
as  hypnotic   96 
as  antidote  to  strychnine   436 
in  supposi tories   5 'i2 
Pareirine,  hydrochlorate,  use   105 
Parmentiera  edulis,  use  in  Mexico   434 
Passifiora  cserulea,  P.  dictamnus,  P.  mexicana,  uses  in  Mexico   553 
Passmoi^e,  F.  W.    Alleged  decomposition  of  quinine  by  lime   294 
Paste  for  labels  on  tin   437 
Pastillas  de  cuantecomate  of  Pharm.  Mexicana   440 
Pata  de  gallinazo  (Cinchona)   95 
Patent  medicines.    See  Nostrums. 
PauUinia  barbadensis,  P.  costata,  P.  pinnata,  P.  sorbilis,  uses  in  Mexico  602 
Pavy's  solution   383 
Pelosine,  uses   105 
Pencils,  iodoform   30 
Pentacripta  atropurpurea,  use  in  Mexico     433 
Pentstemon  barbatum,  use  in  Mexico   431 
Pepper,  ground,  test  of  purity   240 
Peppermint,  cultivation  in  Michigan   599 
Pepsin,  determination  of  the  value   237 
Percolation  with  boiling  liquid,  continuous  apparatus   149 
Periquillo  (Tagetes)   603 
Persea  amplexicaulis,  P.  gratissima,  P,  pachypoda,  uses  in  Mexico   234 
Persica  vulgaris,  use  in  Mexico   554 
Phalaris  canariensis,  use  in  Mexico   310 
