﻿has 
  D. 
  Walcott, 
  o 
  

  

  U. 
  S. 
  Geol. 
  Survey. 
  

  

  VOL. 
  YJII. 
  'y 
  SEPTEMBEK, 
  1899. 
  

  

  Established 
  by 
  BENJAMIN 
  SILLIMAN 
  in 
  1818. 
  

  

  T 
  H 
  E 
  

  

  AMERICAN 
  

  

  JOURNAL 
  OF 
  SCIENCE. 
  

  

  Editor: 
  EDWARD 
  S. 
  DANA. 
  

  

  ASSOCIATE 
  EDITOES 
  

  

  PROFESSORS 
  GEO. 
  L. 
  GOODALE, 
  JOHN 
  TROWBRIDGE, 
  

   II. 
  P. 
  BOWDITCII 
  AND 
  W. 
  G. 
  FARLOW, 
  of 
  Cambridge, 
  

  

  Professors 
  A. 
  E. 
  VERRILL, 
  HENRY 
  S. 
  WILLIAMS, 
  and 
  

   L. 
  Y. 
  PH^vSSON, 
  OF 
  New 
  Haven, 
  

  

  Professor 
  GEORGE 
  F. 
  BARKER, 
  of 
  Philadelphia, 
  

   Professor 
  H. 
  A. 
  ROWLAND, 
  of 
  Baltimore, 
  

   Mr. 
  J. 
  S. 
  DILLER, 
  of 
  Washington. 
  

  

  FOURTH 
  SERIES. 
  

   YOL. 
  YIII— 
  [WHOLE 
  NUMBER, 
  CLYIIL] 
  

  

  No. 
  45.— 
  SEPTEMBER, 
  1899. 
  

  

  PLATE 
  lY. 
  

  

  NEAV 
  HA 
  YEN, 
  CONNECTICUT. 
  

  

  1899. 
  

  

  TUTTLE, 
  MOIiEHOUSE 
  & 
  TAYLOK. 
  PHINTKKS. 
  125 
  TEMPLE 
  STKEtCT. 
  

  

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