﻿78 
  Miscellaneous 
  Intelligence. 
  

  

  Geological 
  Congress, 
  which 
  meets 
  August 
  26, 
  and 
  remains 
  in 
  

   session 
  one 
  week. 
  The 
  three 
  societies 
  will 
  meet 
  in 
  the 
  same 
  

   building. 
  The 
  foreign 
  members 
  of 
  the 
  International 
  Geological 
  

   Congress 
  are 
  to 
  be 
  invited 
  to 
  read 
  papers 
  before 
  the 
  Geological 
  

   Society, 
  and 
  their 
  papers 
  will 
  be 
  given 
  precedence 
  on 
  the 
  pro- 
  

   gram. 
  A 
  number 
  of 
  excursions 
  will 
  probably 
  be 
  arranged. 
  The 
  

   local 
  arrangements 
  are 
  in 
  the 
  hands 
  of 
  a 
  committee, 
  Mr. 
  G. 
  K. 
  

   Gilbert, 
  chairman. 
  

  

  3. 
  International 
  Congress 
  of 
  Geologists 
  — 
  5th 
  Session, 
  Wash- 
  

   ington, 
  1891. 
  — 
  Circular 
  of 
  information, 
  No. 
  11, 
  has 
  been 
  recently 
  

   issued 
  by 
  the 
  Secretaries, 
  H. 
  S. 
  Williams 
  and 
  S. 
  F. 
  Emmons, 
  

   giving 
  full 
  information 
  in 
  regard 
  to 
  time 
  and 
  place 
  of 
  meet- 
  

   ing 
  (see 
  above), 
  program, 
  transportation, 
  excursions 
  and 
  hotel 
  

   accommodations. 
  Correspondence 
  should 
  be 
  addressed 
  to 
  S. 
  F. 
  

   Emmons, 
  1330 
  F 
  street, 
  Washington. 
  

  

  4. 
  Physical 
  Observatory 
  at 
  the 
  Smithsonian 
  Institution, 
  

   Washington. 
  — 
  Prof. 
  S. 
  P. 
  Langley 
  announces 
  (in 
  a 
  letter 
  to 
  the 
  

  

  Editors, 
  dated 
  June 
  1, 
  1891) 
  that 
  there 
  has 
  been 
  established 
  at 
  

   Washington, 
  as 
  a 
  department 
  of 
  the 
  Smithsonian 
  Institution, 
  a 
  

   Physical 
  Observatory, 
  which 
  has 
  been 
  furnished, 
  with 
  specially 
  

   designed 
  apparatus 
  for 
  the 
  prosecution 
  of 
  investigations 
  in 
  

   radiant 
  energy 
  and 
  other 
  departments 
  of 
  telluric 
  and 
  astro- 
  

   physics. 
  The 
  communication 
  of 
  new 
  memoirs 
  bearing 
  in 
  any 
  

   way 
  on 
  such 
  researches 
  is 
  requested, 
  and 
  for 
  them 
  it 
  is 
  hoped 
  

   that 
  proper 
  return 
  can 
  be 
  made 
  in 
  due 
  time. 
  

  

  Prof. 
  Langley 
  also 
  states 
  that 
  he 
  has 
  resigned 
  the 
  titular 
  

   directorship 
  of 
  Allegheny 
  Observatory. 
  

  

  OBITUARY. 
  

  

  Charles 
  Arad 
  Joy, 
  for 
  many 
  years 
  Professor 
  of 
  Chemistry 
  

   Columbia 
  College, 
  died 
  May 
  29 
  at 
  Stockbridge, 
  Mass. 
  He 
  

   was 
  born 
  in 
  Ludlovvville, 
  Tompkins 
  County, 
  N. 
  Y., 
  Oct. 
  8, 
  1S23. 
  

   He 
  was 
  graduated 
  from 
  Union 
  College 
  in 
  1844 
  and. 
  from 
  the 
  Har- 
  

   vard 
  Law 
  School 
  in 
  1847. 
  The 
  same 
  year 
  he 
  was 
  appointed 
  on 
  the 
  

   Geological 
  Survey 
  of 
  the 
  Lake 
  Superior 
  region 
  under 
  Josiah 
  D. 
  

   Whitney 
  and 
  Charles 
  T. 
  Jackson. 
  Subsequently 
  he 
  went 
  abroad 
  

   and 
  studied 
  chemistry 
  in 
  Berlin, 
  at 
  Gottingen, 
  and 
  at 
  the 
  Sor- 
  

   bonne 
  in 
  Paris. 
  On 
  his 
  return 
  he 
  was 
  calledto 
  the 
  Chair 
  of 
  

   Chemistry 
  at 
  Union 
  College. 
  He 
  held 
  this 
  position 
  until 
  185V, 
  

   when 
  he 
  was 
  made 
  Professor 
  of 
  Chemistry 
  at 
  Columbia 
  College, 
  

   which 
  position 
  he 
  held 
  until 
  1877. 
  

  

  Professor 
  Joy's 
  labors 
  were 
  devoted 
  to 
  chemistry 
  and 
  allied 
  

   branches, 
  and 
  lie 
  was 
  the 
  author 
  of 
  many 
  papers 
  especially 
  of 
  a 
  

   popular 
  character 
  upon 
  scientific 
  subjects. 
  When 
  a 
  student 
  in 
  

   Gottingen 
  he 
  carried 
  on 
  a 
  series 
  of 
  researches 
  on 
  the 
  combination 
  

   of 
  alcohol 
  radicals 
  with 
  selenium 
  and 
  later 
  he 
  investigated 
  

   the 
  compounds 
  of 
  glucinum, 
  the 
  results 
  of 
  which 
  were 
  published 
  

   in 
  this 
  Journal 
  (1863). 
  He 
  also 
  made 
  contributions 
  to 
  the 
  sub- 
  

   ject 
  of 
  mineral 
  chemistry. 
  Professor 
  Joy 
  was 
  one 
  of 
  the 
  jurors 
  

   at 
  the 
  International 
  World's 
  Fairs 
  of 
  London, 
  Paris, 
  Vienna, 
  and 
  

   Philadelphia, 
  and 
  was 
  a 
  member 
  of 
  many 
  scientific 
  societies. 
  

  

  