﻿Ward's 
  Natural 
  Science 
  Establishment 
  

  

  A 
  Supply-House 
  for 
  Scientific 
  Material. 
  

  

  Founded 
  1862. 
  Incorporated 
  1890. 
  

  

  A 
  few 
  of 
  our 
  

  

  recent 
  circulars 
  

   departments 
  : 
  

  

  in 
  the 
  various 
  

  

  Geology: 
  J-3. 
  Genetic 
  Collection 
  of 
  Rocks 
  and 
  Rock- 
  

   forming 
  Minerals. 
  J-148. 
  Price 
  List 
  of 
  Rocks. 
  

  

  Mineralogy: 
  J-109. 
  Blowpipe 
  Collections. 
  J-74. 
  Meteor- 
  

   ites. 
  J-150. 
  Collections. 
  J-160. 
  Fine 
  specimens. 
  

  

  Paleontology: 
  J-134. 
  Complete 
  Trilobites. 
  J-115. 
  Collec- 
  

   tions.. 
  J-140. 
  Restorations 
  of 
  Extinct 
  Arthropods. 
  

  

  Entomology: 
  J-30. 
  Supplies. 
  J-125. 
  Life 
  Histories. 
  

   J-128. 
  Live 
  Pupae. 
  

  

  Zoology: 
  J-116. 
  Material 
  for 
  Dissection. 
  J-26. 
  Compara- 
  

   tive 
  Osteology. 
  J-94. 
  Casts 
  of 
  Reptiles, 
  etc. 
  

  

  Microscope 
  Slides: 
  J-135. 
  Bacteria 
  Slides. 
  

  

  Taxidermy: 
  J-138. 
  Bird 
  Skins. 
  J-189. 
  Mammal 
  Skins. 
  

  

  Human 
  Anatomy: 
  J-16. 
  Skeletons 
  and 
  Models. 
  

  

  General: 
  J-155. 
  List 
  of 
  Catalogues 
  and 
  Circulars. 
  

  

  Ward's 
  Natural 
  Science 
  Establishment 
  

  

  84-102 
  Collet 
  Ave., 
  Rochester, 
  N. 
  Y., 
  U. 
  S. 
  A. 
  

  

  The 
  American 
  Journal 
  of 
  Science 
  

  

  Established 
  by 
  Benjamin 
  Silliman 
  in 
  1818. 
  

  

  Contributors 
  should 
  send 
  their 
  articles 
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  months 
  before 
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  Notice 
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  Thirty 
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  talP 
  During 
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  Famine 
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