﻿SYSTEMATIC 
  COLLECTIONS. 
  

  

  "With 
  unusual 
  facilities 
  for 
  securing 
  educational 
  materials, 
  it 
  is 
  proposed 
  to 
  take 
  the 
  lead 
  in 
  

   furnishing 
  systematic 
  collections 
  for 
  teaching 
  MINERALOGr, 
  GEOLOGY, 
  and 
  ZOOLOGT 
  in 
  

   Schools 
  and 
  Colleges. 
  Individual 
  Specimens 
  also 
  furnished. 
  Catalogue 
  sent 
  on 
  receipt 
  of 
  6 
  cts. 
  

   in 
  postage 
  stamps. 
  

  

  RELIEF 
  MAPS 
  AND 
  MODELS. 
  

  

  Special 
  attention 
  given 
  to 
  Relief 
  Maps. 
  Send 
  for 
  circular 
  describing 
  Grand 
  Canon, 
  Tosem- 
  

   ite 
  Valley, 
  Yellowstone 
  National 
  Park, 
  Mt. 
  Shasta, 
  Mt. 
  Vesuvius, 
  Kentucky, 
  Massachusetts, 
  

   New 
  Jersey, 
  Etc., 
  Etc. 
  Also 
  model 
  of 
  the 
  whole 
  United 
  States, 
  ivith 
  adjoining 
  ocean 
  bottoms, 
  

   modeled 
  on 
  correct 
  curvature. 
  Many 
  of 
  These 
  made 
  especially 
  ior 
  Schools. 
  New 
  Relief 
  Map 
  of 
  

   Palestine, 
  modeled 
  for 
  the 
  Palestine 
  Exploration 
  Fund, 
  now 
  ready. 
  

  

  LANTERN 
  SLIDES. 
  

  

  Series 
  of 
  Lantern 
  Slides 
  for 
  class 
  illustration 
  in 
  Geology, 
  Physical 
  Geography, 
  Etc. 
  

   METEORITES. 
  

  

  A 
  good 
  price 
  paid 
  for 
  meteorites 
  of 
  all 
  kinds. 
  New 
  and 
  undescribed 
  ones 
  especially 
  desired. 
  

   An 
  extra 
  price 
  paid 
  for 
  the 
  entire 
  "find 
  " 
  or 
  "fall." 
  Meteorites 
  also 
  cut, 
  polished 
  and 
  etched. 
  

  

  WASHINGTON 
  SCHOOL 
  COLLECTIONS. 
  

  

  These 
  collections, 
  decided 
  upon 
  after 
  numerous 
  conferences 
  with 
  teachers 
  and 
  experts 
  con- 
  

   nected 
  with 
  the 
  U. 
  S, 
  Geological 
  Survey 
  and 
  IT. 
  S. 
  National 
  Museum, 
  have 
  just 
  been 
  introduced 
  

   into 
  the 
  schools 
  of 
  Washington, 
  and 
  will 
  be 
  known 
  as 
  the 
  Washington 
  School 
  Collections. 
  It 
  is 
  

   safe 
  to 
  say 
  that 
  no 
  collections 
  of 
  equal 
  excellence 
  have 
  ever 
  before 
  been 
  offered 
  in 
  this 
  

   country 
  at 
  so 
  low 
  a 
  price 
  ($2 
  each). 
  Send 
  for 
  circulars. 
  

  

  EDWIN 
  E. 
  HOWELL, 
  612 
  17th 
  St., 
  N. 
  W., 
  Washington, 
  D. 
  C. 
  

  

  FOURTH 
  REVISED 
  EDITION 
  

  

  DANA'S 
  MANUAL 
  OF 
  GEOLOGY 
  

  

  Treating 
  of 
  the 
  Principles 
  of 
  the 
  Science 
  with 
  special 
  reference 
  to 
  

  

  American 
  Geological 
  History. 
  By 
  James 
  D, 
  Dana, 
  Yale 
  University. 
  

  

  Cloth, 
  1088 
  pages, 
  over 
  1575 
  figures 
  and 
  two 
  double-page 
  maps. 
  

  

  PRICE, 
  $5.00, 
  POSTPAID. 
  

  

  Entirely 
  rewritten, 
  and 
  reset 
  in 
  new 
  type. 
  Introduces 
  new 
  

   principles, 
  new 
  theories," 
  and 
  new 
  facts 
  relating 
  to 
  all 
  depart- 
  

   ments 
  of 
  the 
  science. 
  Much 
  additional 
  matter; 
  improved 
  

   arrangement; 
  largely 
  increased 
  number 
  of 
  illustrations; 
  all 
  

   enhancing 
  the 
  value 
  of 
  the 
  work. 
  

  

  AMEEICAK" 
  BOOK 
  COMPACT, 
  

   806 
  Broadway, 
  New 
  York 
  City. 
  

  

  