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  PROCEEDINGS 
  OE 
  THE 
  GEOLOGICAL 
  SOCIETY. 
  [May 
  1 
  897, 
  

  

  at 
  Yale 
  in 
  1839, 
  and 
  then 
  spent 
  six 
  months 
  in 
  the 
  chemical 
  

   laboratory 
  of 
  Dr. 
  Robert 
  Hare 
  in 
  Philadelphia. 
  In 
  1840 
  he 
  joined 
  

   the 
  Survey 
  of 
  New 
  Hampshire 
  as 
  assistant 
  geologist 
  under 
  Mr. 
  C. 
  T. 
  

   Jackson. 
  Two 
  years 
  later 
  he 
  went 
  to 
  Europe, 
  and 
  pursued 
  his 
  

   studies 
  in 
  chemistry, 
  geology, 
  and 
  mineralogy. 
  On 
  his 
  return 
  to 
  

   America 
  in 
  1847 
  he 
  investigated 
  the 
  geology 
  of 
  the 
  Lake 
  Superior 
  

   region, 
  being 
  appointed 
  with 
  Mr. 
  J. 
  W. 
  Poster 
  to 
  assist 
  in 
  making 
  a 
  

   geological 
  survey 
  of 
  that 
  district. 
  Ultimately 
  the 
  completion 
  of 
  the 
  

   survey 
  was 
  entrusted 
  to 
  Mr. 
  "Whitney 
  and 
  Mr. 
  Poster, 
  who 
  published 
  

   a 
  ' 
  Synopsis 
  of 
  the 
  Explorations 
  of 
  the 
  Geological 
  Corps 
  in 
  the 
  Lake 
  

   Superior 
  Land 
  District 
  in 
  the 
  Northern 
  Peninsula 
  ' 
  (Washington, 
  

   1849), 
  and 
  a 
  ' 
  Eeport 
  on 
  the. 
  Geology 
  and 
  Topography 
  of 
  a 
  Portion 
  

   of 
  the 
  Lake 
  Superior 
  Land 
  District 
  in 
  the 
  State 
  of 
  Michigan 
  ' 
  (1850- 
  

   51). 
  Mr. 
  Whitney 
  then 
  travelled 
  for 
  two 
  years 
  through 
  the 
  States 
  

   east 
  of 
  the 
  Mississippi 
  for 
  the 
  purpose 
  of 
  collecting 
  information 
  as 
  to 
  

   the 
  mineral 
  wealth 
  of 
  the 
  country. 
  This 
  led 
  to 
  his 
  book 
  ' 
  The 
  

   Metallic 
  Wealth 
  of 
  the 
  United 
  States 
  described 
  and 
  compared 
  with 
  

   that 
  of 
  other 
  Countries' 
  (Philadelphia, 
  1854). 
  In 
  1855 
  he 
  was 
  

   appointed 
  State 
  Chemist 
  and 
  Professor 
  in 
  the 
  Iowa 
  University, 
  and 
  

   was 
  associated 
  with 
  Mr. 
  James 
  Hall 
  in 
  the 
  geological 
  survey 
  of 
  that 
  

   State, 
  of 
  which 
  he 
  published 
  an 
  account. 
  Prom 
  1858 
  to 
  1860 
  

   Prof. 
  Wliitney 
  was 
  engaged 
  on 
  a 
  geological 
  survey 
  of 
  the 
  plumbif 
  erous 
  

   region 
  of 
  the 
  Upper 
  Missouri 
  in 
  connexion 
  with 
  the 
  official 
  surveys 
  of 
  

   Wisconsin 
  and 
  Illinois, 
  and 
  he 
  wrote 
  in 
  collaboration 
  with 
  Mr. 
  James 
  

   Hall 
  a 
  ' 
  Report 
  on 
  the 
  Geological 
  Survey 
  of 
  the 
  State 
  of 
  Wisconsin 
  ' 
  

   (Albany, 
  1862). 
  Prof. 
  Whitney 
  was 
  appointed 
  State 
  Geologist 
  

   of 
  California 
  in 
  1860, 
  and 
  conducted 
  a 
  topographical, 
  geological, 
  

   and 
  natural 
  history 
  survey 
  of 
  that 
  State 
  till 
  1874, 
  when 
  the 
  State 
  

   Legislature 
  discontinued 
  the 
  work. 
  Besides 
  various 
  pamphlets 
  and 
  

   annual 
  reports, 
  Prof. 
  Whitney 
  issued 
  'Geological 
  Survey 
  of 
  

   California' 
  (six 
  vols., 
  Cambridge, 
  1864-70). 
  In 
  1865 
  he 
  was 
  

   appointed 
  Professor 
  of 
  Geology 
  at 
  Harvard 
  University, 
  and 
  retained 
  

   the 
  chair 
  till 
  his 
  death. 
  The 
  honorary 
  degree 
  of 
  LL.D. 
  was 
  con- 
  

   ferred 
  on 
  him 
  by 
  Yale 
  in 
  1870. 
  Prof. 
  Whitney 
  was 
  one 
  of 
  the 
  

   original 
  members 
  of 
  the 
  National 
  Academy 
  of 
  Sciences 
  named 
  by 
  

   Act 
  of 
  Congress 
  in 
  1863, 
  but 
  he 
  subsequently 
  withdrew 
  from 
  that 
  

   body. 
  He 
  was 
  a 
  member 
  of 
  a 
  large 
  number 
  of 
  scientific 
  bodies 
  both 
  

   at 
  home 
  and 
  abroad, 
  and 
  was 
  a 
  contributor 
  to 
  the 
  ' 
  American 
  Journal 
  

   of 
  Science,' 
  the 
  'North 
  American 
  Review,' 
  and 
  many 
  other 
  

   periodicals. 
  He 
  translated 
  Berzelius's 
  ' 
  Use 
  of 
  the 
  Blowpipe 
  ' 
  

   (Boston, 
  1845), 
  and 
  he 
  wrote 
  a 
  guide-book 
  to 
  the 
  Yosemite 
  Yalley 
  

  

  