warman.]  GARRISON GEMS.  337 
Gases  used  in  steel  making,  analysis  of Bull  25,  p  34 
viscosity  of. Bull  54,  pp  239-306 
Gassy  Creek,  Colorado.     (See  Grassy  Creek.) 
Gastaldite,  chemical  constitution  of Bull  125,  p  92 
Gasteropoda  from  Bear  River  f<  >rmation  - Bull  128,  pp  41-61 
from  Cambrian,  lower Ann  10,  i,  pp  589,  616-619 
from  Cambrian,  middle,  of  North  America Bull  30,  pp  53, 125-131 
from  Carboniferous  of  Nevada,  Eureka  district Mon  vm,  pp  254-263 
from  Chico-Tejon  series  of  California Bull  51,  pp  15-26 
from  Colorado  formation Bull  106,  pp  127-163 
from  Cretaceous  of  New  Jersey  recognized  at  other  localities,  table  showing 
Mon  xvin,  p  30 
of  Pacific  coast Bull  133,  pp  63-72 
of  Vancouver  Island Bull  51,  pp  44-47 
from  Devonian  of  Nevada,  Eureka  district Mon  vm,  pp  182-196 
from  Devonian,  higher,  of  New  York,  Ontario  County Bull  16,  pp  22-23, 52,  55 
from  Eocene Bull  83 
of  middle  Atlantic  slope Bull  141,  pp  63-72 
from  Great  Basin Bull  11,  pp  16-22 
from  marl  beds  of  New  Jersey,  table  showing  number  of  genera  and  species 
under  each  family Mon  xxviii,  p  26 
from  Miocene  deposits  of  New  Jersey Mon  xxiv 
from  Nevada,  Eureka  district Mon  vm, 
pp  78-85, 182-196,  254-261;  Mon  xx,  pp  323,  329,  332-333 
from  Olenellus  zone Ann  10,  i,  pp  616-619 
from  Permian  of  Texan Bull  77,  pp  24-26 
from  Pleistocene  and  Recent  of  Great  Basin Bull  11,  pp  16-22 
from  Puget  group Bull  51,  pp  62-63 
from  Raritan  clays  and  greensand  marls  of  New  Jersey Mon  xvin 
from  Silurian,  lower,  of  Nevada,  Eureka  district Mon  vm,  pp  78-84 
from  Yellowstone  Park Mon  xxxn,  ir,  pp  505-507,  629-630,  632-633,  639 
of  North  America,  nonmarine  fossil Ann  3,  pp  443-471 
Gastrochsenidae  from  marls  of  New  Jersey Mon  ix,  pp  192-193,  203-204 
Gates,  regulator,  in  irrigation  works Ann  13,  in,  pp  238-244 
Gatun  beds  of  Colombia,  correlation  of Ann  18,  n,  p  344 
Gauley  River,  West  Virginia,  profile  of WS  44,  p  48 
Gavilan  limestone  of  California Mon  xin,  p  181 
Gay  Head  sands  and  gravels  of  Marthas  Vineyard,  correlation  of Ann  18, 
ii,  pp  337,  339;  Bull  84,  pp  35-37,  326 
Gaylussite,  occurrence  and  analysis  of,  from  Nevada,  near  Ragtown Mon  xi,  p  76 
pseudomorphs  of,  relation  of  Lahontan  thinolite  to Bull  12,  pp  25-28 
Gazetteer  of  Kansas Bull  154 
of  Utah Bull  166 
(See,  also,  Dictionary,  geographic.) 
Gearksutite  from  near  Pikes  Peak,  Colorado,  general  description  and  chemical 
investigation  of Bull  20,  pp  58-62 
Gedrite,  analysis  of,  from  Massachusetts,  Warwick Bull  126,  p  86 
Gehlenite,  analysis  of,  from  Hungary Bull  125,  p  27 
chemical  constitution  of Bull  125,  pp  26-27,  103 
Gems;  collections,  behavior  "with  Roentgen  rays,  literature,  etc.,  of Ann  17, 
in  cont,  pp  919-923;  Ann  18,  v  cont,  pp 
1213-1215;  Ann  19,  vi  cont,  pp  508-512 
in  Montana,  Little  Belt  Mountains  quadrangle GF  56,  p  9 
Bull.  177—01 22 
