﻿report 
  ov 
  the 
  director 
  1/ 
  

  

  By 
  Collection. 
  

  

  Pyrolusitc, 
  psilomclane, 
  magnetite 
  : 
  Several 
  specimens 
  of 
  these 
  min- 
  

   erals 
  with 
  associated 
  rocks 
  were 
  collected 
  in 
  three 
  trips, 
  on 
  

   request 
  of 
  Dr. 
  E. 
  j. 
  Vhk, 
  of 
  Troy, 
  who 
  was 
  investigating 
  

   some 
  manganese 
  deposits 
  in 
  this 
  region. 
  

  

  First 
  excursion, 
  three 
  miles 
  west 
  of 
  Watcrvliet, 
  

  

  Albany 
  co., 
  X.\'. 
  

   Second; 
  two 
  miles 
  south 
  of 
  Xorth 
  liennington, 
  \'t. 
  

   Third; 
  Charlemont, 
  Franklin 
  co., 
  Mass. 
  

   Psilomelane. 
  pyrolusite 
  & 
  limonite: 
  A 
  series 
  of 
  these 
  minerals 
  con- 
  

   taining 
  varying 
  percentages 
  of 
  each 
  were 
  collected 
  by 
  J. 
  N. 
  

   Kevins 
  at 
  the 
  South 
  Wallingford, 
  Vt., 
  Manganese 
  mines, 
  on 
  

   the 
  request 
  of 
  Dr. 
  E. 
  J. 
  Fisk, 
  of 
  Troy. 
  

   Quartz, 
  agate 
  & 
  calcite, 
  amygdaloid, 
  in 
  Triassic 
  diabase. 
  Collected 
  

   by 
  J. 
  N. 
  Nevius, 
  at 
  Upper 
  Montclair, 
  X. 
  J. 
  

  

  Geology 
  

   Collected 
  by 
  IIeinricii 
  Ries. 
  

  

  Sand 
  from 
  cut 
  south 
  of 
  Spring 
  Ilill 
  Grove. 
  S. 
  I. 
  

  

  Cross 
  bedded 
  sand, 
  north 
  of 
  Hastings, 
  S. 
  I. 
  

  

  Hudson 
  River 
  sandstone, 
  from 
  drift 
  on 
  west 
  shore 
  of 
  Great 
  X'cck, 
  

  

  L. 
  I. 
  

   Fossils 
  in 
  concretion, 
  west 
  shore 
  of 
  Great 
  Xeck, 
  L. 
  I. 
  

   Yonkers 
  Gneiss 
  (2), 
  Westchester 
  county 
  

   Sand 
  from 
  cut 
  on 
  Elm 
  Point, 
  Great 
  Neck, 
  L. 
  I., 
  showing 
  faulting 
  

  

  and 
  crumpling. 
  

   Impare 
  Siderite, 
  (Cretaceous) 
  Elm 
  Point, 
  Great 
  Xeck, 
  L. 
  I. 
  

  

  Collected 
  by 
  J. 
  X. 
  Nevius. 
  

  

  River 
  sand, 
  from 
  Hudson 
  River, 
  Albany 
  

   River 
  silt, 
  from 
  Hudson 
  River, 
  Albany 
  

   Anthracitic 
  slate, 
  Rayville, 
  Columbia 
  co., 
  N. 
  Y. 
  

   Siliceous 
  limestone. 
  South 
  Wallingford, 
  Vt. 
  

   Newark 
  sandstone. 
  Upper 
  Montclair, 
  N. 
  J. 
  

   Hudson 
  River 
  shale, 
  Xormansville, 
  Albany 
  co., 
  N. 
  Y. 
  

  

  2 
  

  

  