﻿Practical 
  Instruction 
  in 
  the 
  Search 
  for, 
  and 
  the 
  Determi- 
  

   nation 
  of, 
  the 
  Useful 
  Minerals, 
  including 
  

   the 
  Rare 
  Ores 
  

  

  For 
  the 
  Prospector, 
  Miner, 
  and 
  as 
  a 
  Ready 
  Reference 
  for 
  

   Everybody 
  Interested 
  in 
  the 
  Mineral 
  Industry. 
  By 
  Alex- 
  

   ander 
  McLeod. 
  Second 
  Edition, 
  Greatly 
  Enlarged. 
  

  

  This 
  new 
  edition 
  is 
  practically 
  a 
  new 
  book, 
  and 
  contains 
  a 
  number 
  of 
  new 
  

   features 
  which, 
  add 
  greatly 
  to 
  its 
  usefulness. 
  For 
  example, 
  a 
  chapter 
  on 
  Chem- 
  

   ical 
  Mineralogy, 
  briefly 
  but 
  clearly 
  outlining 
  the 
  elements 
  of 
  the 
  science, 
  has 
  

   been 
  incorporated. 
  Also, 
  the 
  minerals 
  have 
  been 
  grouped 
  under 
  their 
  respective 
  

   streaks, 
  greatly 
  simplifying 
  the 
  identification 
  of 
  a 
  large 
  number 
  of 
  important 
  

   species. 
  

  

  xxvii 
  + 
  254 
  pages. 
  4 
  by 
  6|. 
  Flexible 
  "Fabrikoid" 
  binding, 
  $1.75 
  net. 
  

  

  Works 
  of 
  G. 
  MONTAGUE 
  BUTLER, 
  E. 
  M. 
  

  

  Professor 
  of 
  Mineralogy 
  and 
  Petrology 
  : 
  Dean, 
  College 
  of 
  Mines 
  and 
  Engi- 
  

   neering; 
  Director, 
  Arizona 
  Bureau 
  of 
  Mines, 
  University 
  of 
  Arizona. 
  

  

  POCKET 
  HANDBOOK 
  OF 
  MINERALS 
  

  

  Designed 
  for 
  Use 
  in 
  the 
  Field 
  or 
  Class-room, 
  with 
  Little 
  Ref- 
  

   erence 
  to 
  Chemical 
  Tests. 
  Second 
  Edition. 
  

  

  In 
  this 
  edition 
  a 
  considerable 
  number 
  of 
  additional 
  species 
  have 
  been 
  de- 
  

   scribed 
  and 
  many 
  varietal 
  terms 
  introduced. 
  

   ix 
  -+ 
  31 
  1 
  pages. 
  4 
  by 
  6|. 
  89 
  figures. 
  Flexible 
  * 
  'Fabrikoid" 
  binding, 
  $2. 
  50 
  net. 
  

  

  POCKET 
  HANDBOOK 
  OF 
  BLOWPIPE 
  ANALYSIS 
  

  

  Designed 
  for 
  the 
  Use 
  of 
  Students 
  and 
  Prospectors. 
  

   Utility 
  and 
  conciseness 
  were 
  the 
  ends 
  sought 
  in 
  writing 
  this 
  book, 
  and 
  while 
  

   no 
  superfluous 
  details 
  have 
  been 
  included, 
  nothing 
  essential 
  has 
  been 
  omitted, 
  

   v 
  + 
  80 
  pages. 
  4 
  by 
  6f». 
  Cloth, 
  $0. 
  75. 
  net. 
  

  

  A 
  MANUAL 
  OF 
  GEOMETRICAL 
  CRYSTALLOGRAPHY 
  

  

  Treating 
  Solely 
  of 
  Those 
  Portions 
  of 
  the 
  Subject 
  Useful 
  in 
  the 
  

   Identification 
  of 
  Minerals. 
  

  

  Emphasizes 
  the 
  great 
  importance 
  of 
  " 
  sight 
  recognition 
  " 
  of 
  minerals, 
  and 
  

   takes 
  up 
  the 
  subject 
  in 
  a 
  simple 
  and 
  clear 
  manner. 
  

  

  ' 
  viii 
  + 
  155 
  pages. 
  4 
  by 
  6f 
  . 
  Cloth, 
  $1.50 
  net. 
  

   These 
  three 
  volumes 
  are 
  also 
  issued 
  in 
  combined 
  form, 
  bound 
  in 
  flexible 
  

   "Fabrikoid," 
  $3.50 
  net. 
  

   Send 
  for 
  our 
  Special 
  Subject 
  Catalog 
  13 
  

  

  JOHN 
  WILEY 
  & 
  SONS, 
  Inc. 
  

  

  Dept* 
  B*— 
  432 
  Fourth 
  Avenue, 
  New 
  York 
  

  

  London: 
  Chapman 
  & 
  Hall, 
  Ltd. 
  

   Montreal, 
  Can.: 
  Manila, 
  P. 
  I.: 
  

  

  Renouf 
  Publishing 
  Co. 
  Philippine 
  Education 
  Co. 
  

  

  A.J8.-4-19 
  

  

  