﻿Report 
  of 
  the 
  State 
  Geologist. 
  775 
  

  

  J. 
  W. 
  Spences. 
  — 
  Age 
  of 
  the 
  Niagara 
  River. 
  

   • 
  (Amer. 
  Naturalist, 
  vol. 
  21, 
  pp. 
  269-270.) 
  

  

  C. 
  D. 
  Walcott. 
  — 
  Fauna 
  of 
  the 
  " 
  Upper 
  Taconic 
  " 
  of 
  Emmons, 
  in 
  

   Washington 
  county, 
  N. 
  Y. 
  

  

  (Amer. 
  Jour. 
  Science, 
  vol. 
  34, 
  pp. 
  187-199, 
  plate 
  i.) 
  

  

  C. 
  D. 
  Walcott. 
  — 
  Cambrian 
  age 
  of 
  the 
  roofing 
  slates 
  at 
  Granville, 
  

   Washington 
  county, 
  N. 
  Y. 
  

  

  (Proc. 
  Amer. 
  Assoc. 
  Adv. 
  Sci., 
  vol. 
  35, 
  p. 
  220.) 
  

  

  C. 
  D. 
  Walcott. 
  — 
  ■ 
  The 
  Taconic 
  System. 
  

   (Amer. 
  Jour. 
  Science, 
  vol. 
  33, 
  pp. 
  153, 
  154.) 
  

  

  G. 
  H. 
  Williams. 
  — 
  Note 
  on 
  some 
  remarkable 
  crystals 
  of 
  Pyroxene 
  

   from 
  Orange 
  county, 
  N. 
  Y. 
  

  

  (Amer. 
  Jour. 
  Science, 
  vol. 
  34, 
  pp. 
  275-277.) 
  

  

  G. 
  H. 
  Williams. 
  — 
  The 
  Norites 
  of 
  the 
  " 
  Cortlandt 
  Series 
  " 
  in 
  the 
  

   Hudson 
  River 
  near 
  Peekskill, 
  N. 
  Y. 
  

  

  (Amer. 
  Jour. 
  Science, 
  vol. 
  33, 
  pp. 
  135-144, 
  191-199.) 
  

  

  G. 
  H. 
  Williams. 
  — 
  Serpentine 
  (Peridotite) 
  occurring 
  in 
  the 
  Onon- 
  

   daga 
  Salt- 
  group 
  at 
  Syracuse, 
  N. 
  Y. 
  

  

  (Amer. 
  Jour. 
  Science, 
  vol. 
  34, 
  pp. 
  137-145.) 
  

  

  H. 
  S. 
  Williams. 
  — 
  On 
  the 
  Fossil 
  Faunas 
  of 
  the 
  Upper 
  Devonian, 
  

   the 
  Genesee 
  section, 
  New 
  York. 
  

  

  (Bull. 
  U. 
  S. 
  Geol. 
  Surv., 
  No. 
  41, 
  pp. 
  1-121, 
  pis. 
  i-iv.) 
  

  

  H. 
  S. 
  Williams. 
  — 
  The 
  Strophomenidse; 
  a 
  palgeontological* 
  study 
  of 
  

   the 
  method 
  of 
  initiation 
  of 
  genera 
  and 
  species. 
  

   (Proc. 
  Amer. 
  Assoc. 
  Adv. 
  Sci., 
  vol. 
  35, 
  p. 
  227.) 
  

  

  S. 
  G. 
  Williams. 
  — 
  Note 
  on 
  the 
  Lower 
  Helderberg 
  Rocks 
  of 
  Cayuga 
  

   county 
  3 
  N. 
  Y. 
  

  

  (Pjoc. 
  Amer. 
  Assoc. 
  Adv. 
  Sci., 
  vol. 
  35, 
  p. 
  214.) 
  

  

  S. 
  G. 
  Williams. 
  — 
  Note 
  on 
  the 
  Lower 
  Helderberg 
  Rocks 
  of 
  Cayuga 
  

   Lake. 
  

  

  (6th 
  Ann. 
  Rept. 
  State 
  Geologist, 
  pp. 
  10-12.) 
  

  

  S. 
  G. 
  Williams. 
  — 
  The 
  Tully 
  Limestone; 
  its 
  Distribution 
  and 
  

   Known 
  Fossils. 
  

  

  (6th 
  Ann. 
  Rept. 
  State 
  Geologist, 
  pp. 
  13-29.) 
  

  

  S. 
  G. 
  Williams. 
  — 
  The 
  Tully 
  limestone, 
  its 
  distribution, 
  its 
  irregu- 
  

   larities, 
  its 
  character 
  and 
  its 
  life. 
  

  

  (Proc. 
  Amer. 
  Assoc. 
  Adv. 
  Sci., 
  vol. 
  35, 
  p. 
  214.) 
  

  

  