﻿Library, 
  U. 
  S. 
  IN 
  at. 
  Museum. 
  

  

  VOL. 
  XLVII 
  MAECH, 
  1919. 
  

  

  Established 
  by 
  BENJAMIN 
  SILLIMAN 
  in 
  1818. 
  

  

  THE 
  

  

  AMERICAN 
  

  

  JOURNAL 
  OF 
  SCIENCE. 
  

  

  Editor: 
  EDWAED 
  S. 
  DA1STA. 
  

  

  ASSOCIATE 
  EDITORS 
  

  

  Professors 
  GEOEGE 
  L. 
  GOODALE, 
  JOHN" 
  TEOWBEIDGE, 
  

   W. 
  G. 
  FAELOW 
  and 
  WM. 
  M. 
  DAVIS, 
  of 
  Cambridge, 
  

  

  Professors 
  A. 
  E. 
  VEEEILL, 
  HOEACE 
  L. 
  WELLS, 
  CHAELES 
  

  

  SCHUCHEET, 
  L. 
  V. 
  PIESSON, 
  H. 
  E. 
  GEEGOEY, 
  

  

  and 
  HOEACE 
  S. 
  UHLEE, 
  of 
  New 
  Haven, 
  

  

  Professor 
  JOSEPH 
  S. 
  AMES, 
  of 
  Baltimore, 
  

   Mr. 
  J. 
  S. 
  DILLEE, 
  of 
  Washington. 
  

  

  FOURTH 
  SERIES 
  ^y 
  

   VOL. 
  XLVII— 
  [WHOLE 
  NDMBE 
  

  

  No. 
  279— 
  MARCH, 
  1919 
  X^/^ 
  m 
  *** 
  

  

  NEW 
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  CONNECTICUT. 
  

  

  1919. 
  

  

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