﻿156 
  Scientific 
  Intelligence. 
  

  

  River 
  limestone 
  in 
  eastern 
  Canada, 
  the 
  Galena-Trenton 
  of 
  the 
  

   Lake 
  Winnipeg 
  region, 
  etc., 
  in 
  the 
  west, 
  the 
  Hudson 
  River, 
  

   Niagara, 
  Guelph 
  and 
  Lower 
  Helderberg 
  formations 
  have 
  their 
  

   distinctive 
  varieties." 
  

  

  Three 
  varieties 
  of 
  H. 
  catentdaria 
  from 
  the 
  Lower 
  Helderberg 
  

   are 
  described 
  and 
  figured 
  under 
  the 
  names 
  of 
  var. 
  simplex, 
  var. 
  

   amplitubulata, 
  and 
  var. 
  nitida. 
  An 
  analytical 
  table 
  of 
  the 
  

   species 
  and 
  varieties, 
  and 
  their 
  characters 
  in 
  relation 
  to 
  range, 
  is 
  

   also 
  given. 
  The 
  genus 
  Heliolites 
  also 
  ranges 
  from 
  the 
  Niagara 
  

   into 
  the 
  Lower 
  Helderberg. 
  Plasmopora 
  also 
  appears 
  in 
  both 
  

   formations. 
  Lyellia 
  affinis 
  occurs 
  in 
  the 
  Hudson 
  River 
  and 
  

   Niagara 
  formations, 
  in 
  the 
  four 
  divisions 
  of 
  the 
  Anticosti 
  group, 
  

   and 
  in 
  the 
  Lower 
  Helderberg. 
  w. 
  

  

  3. 
  Geological 
  Survey 
  of 
  Canada. 
  — 
  The 
  Annual 
  Report 
  (new 
  

   series, 
  Vol. 
  X, 
  reports 
  A, 
  H, 
  I, 
  J, 
  M, 
  S, 
  1897) 
  has 
  recently 
  been 
  

   issued 
  in 
  book-form, 
  1899, 
  comprising 
  1046 
  pages, 
  accompanied 
  

   by 
  8 
  maps 
  and 
  12 
  plates; 
  separate 
  reports 
  of 
  which 
  have 
  already 
  

   been 
  noticed. 
  The 
  following 
  maps 
  accompany 
  the 
  volume 
  : 
  

  

  560. 
  Thunder 
  Bay 
  and 
  Rainy 
  River 
  Districts, 
  Ontario 
  — 
  Seine 
  

   Sheet. 
  

  

  589. 
  Thunder 
  Bay 
  District, 
  Ontario 
  — 
  Lake 
  Shebandowan 
  Sheet. 
  

  

  599. 
  Nipissing 
  District, 
  Ontario, 
  and 
  Pontiac 
  Co., 
  Quebec 
  — 
  ■ 
  

   Lake 
  Temiscaming 
  Sheet. 
  

  

  606. 
  Nipissing 
  District, 
  Ontario, 
  and 
  Pontiac 
  Co., 
  Quebec 
  — 
  Lake 
  

   Nipissing 
  Sheet. 
  w. 
  

  

  4. 
  The 
  Geological 
  Society 
  of 
  America: 
  Cordilleran 
  Section. 
  — 
  

   The 
  first 
  annual 
  meeting 
  of 
  a 
  Cordilleran 
  section 
  of 
  the 
  Geological 
  

   Society 
  of 
  America 
  was 
  held 
  in 
  San 
  Francisco, 
  Cal., 
  Dec. 
  29 
  and 
  30, 
  

   1899. 
  The 
  section 
  is 
  composed 
  of 
  fellows 
  of 
  the 
  Society 
  too 
  far 
  

   distant 
  from 
  the 
  places 
  of 
  ordinary 
  meeting 
  of 
  the 
  Society 
  to 
  

   attend 
  its 
  sessions. 
  The 
  following 
  is 
  a 
  list 
  of 
  papers 
  accepted 
  for 
  

   reading 
  at 
  the 
  meeting 
  : 
  

  

  F. 
  W. 
  Cragin 
  : 
  The 
  discovery 
  of 
  a 
  goat 
  antelope 
  in 
  the 
  cave 
  fauna 
  of 
  Pike's 
  

   Peak 
  Region. 
  

  

  J. 
  C. 
  Merriam: 
  On 
  the 
  occurrence 
  of 
  a 
  ground 
  sloth 
  in 
  the 
  Quaternary 
  of 
  

   California 
  ; 
  On 
  the 
  classification 
  of 
  the 
  John 
  Day 
  beds. 
  

  

  Jajies 
  E. 
  Talmage 
  : 
  Notes 
  concerning 
  erosion 
  forms 
  and 
  exposures 
  in 
  the 
  

   deserts 
  of 
  South 
  Central 
  Utah. 
  

  

  Horace 
  B. 
  Patton: 
  Thomsonite 
  and 
  other 
  zeolites 
  from 
  Golden, 
  Colorado. 
  

  

  H. 
  W. 
  Fairbanks: 
  The 
  Peneplain 
  question 
  upon 
  the 
  Pacific 
  Coast. 
  

  

  W. 
  S. 
  Tangier 
  Smith: 
  A 
  topographic 
  study 
  of 
  the 
  Islands 
  of 
  Southern 
  Cali- 
  

   fornia. 
  

  

  Joseph 
  Le 
  Conte 
  : 
  An 
  early 
  geological 
  excursion. 
  

  

  J. 
  C. 
  Braxner 
  : 
  The 
  sandstone 
  reefs 
  of 
  Brazil. 
  

  

  E. 
  W. 
  Hilgard: 
  The 
  geological 
  significance 
  of 
  soil 
  study. 
  

  

  E. 
  W. 
  Clatpole 
  : 
  The 
  Devonian 
  fishes 
  of 
  North 
  America. 
  

  

  Andrew 
  C. 
  Lawson: 
  The 
  Berkeley 
  Hills 
  — 
  A 
  detail 
  of 
  Coast 
  Range 
  geology. 
  

  

  w. 
  

  

  5. 
  Key 
  to 
  the 
  Upper 
  Devonian 
  of 
  Southern 
  New 
  York-, 
  by 
  

   Gilbert 
  D. 
  Harris, 
  Cornell 
  University, 
  Ithaca, 
  N. 
  Y. 
  Co-operative 
  

   Society. 
  Price 
  28 
  and 
  35 
  cents, 
  post 
  paid. 
  — 
  The 
  " 
  Key 
  to 
  the 
  

  

  