658  INDEX    TO    PUBLICATIONS    OF    U.    S.   GEOL.    SURVEY,     [bull.177. 
Rhyolitic  glass,  analysis  of,  from  Colorado,  Mount  Tyndall  (residual) .  .Bull  168,  p  152 
analysis  of,  from  Montana,  Gallatin  Valley Bull  168,  p  115 
from  Utah,  near  Marysvale Bull  168,  p  168 
thin  section  of,  from  Yellowstone  Park Mon  xxxn,  n,  pp  406-407 
Rhyolitic  structure  in  aporhyolite,  thin  section  showing,  from  Pennsylvania, 
South  Mountain .Bull  136,  pp  114-115, 116-117 
Rhynchitidae  of  United  States  (Tertiary ) Mon  xxi,  pp  11-29 
Rhynchonellidre  from  Cretaceous  of  Pacific  Coast Bull  133,  pp  31-33 
from  Cretaceous  of  Vancouver  Island Bull  51,  p  36 
Rhynchophora,  recent  and  fossil,  comparative  table  of Mon  xxi,  p  4 
Rhynchophorous  Coleoptera,  Tertiary,  of  United  States Mon  xxi 
Ribbon  structure  in  ore  deposits  of  Montana,  Little  Belt  Mountains.  .Ann  20,  in,  p  417 
Richmond  Basin,  Virginia,  geology  of Ann  19,  n,  pp  385-515 
Richmond  quadrangle,  Kentucky,  geology  of GF  46 
Richmond  shale  in  Kentucky GF  46,  p  2 
Richterite,  chemical  constitution  of Bull  125,  p  90 
Richthofen  ( F. ) ,  quoted  on  Comstock  lode Mon  in,  pp  12-24 
Rickard  (T.  A. ),  cited  on  ore  deposits  near  Rico,  Colorado. .  .Ann  21,  n,  pp  18, 108-109 
Rico,  Colorado,  section  near Ann  21,  n,  p  98 
Rico  dome,  Colorado,  structure  of Ann  21,  n,  pp  98-128 
Rico  formation  in  Colorado,  Rico  Mountains Ann  21,  n,  pp  28,  59-66 
Rico  Mountains,  Colorado,  geology  of Ann  21,  n,  pp  7-165 
Ridgway  (J.  L. ),  work  in  charge  of  during  1898-1900 Ann  20, 
i,  pp  140-141;  Ann  21,  i,  pp  159-160 
Riebeckite,  chemical  constitution  of Bull  125,  p  92 
Ries  (H. ),  clay  industry,  technology  of Ann  16,  iv,  pp  523-575 
clays  and  clay  products  at  Paris  Exposition  of  1900. .  .Ann  21,  vi  cont,  pp  365-392 
clay-working  industry  in  1896 Ann  18,  v  cont,  pp  1105-1168 
clay- working  industry  of  United  States  in  1897 .Ann  19,  vi  cont,  p  469 
feldspar  and  quartz,  statistics  of Ann  18, 
v  cont,  pp  1365-1368;  Ann  19,  vi  cont,  pp  657;  Ann 
20,  vi  cont,    p  745;  Ann  21,    vi  cont,  pp  593-596 
kaolins  and  fire  clays  of  Europe Ann  19,  vi  cont,  pp  377-467 
limestone  quarries  of  eastearn  New  York,  western  Vermont,  Massachusetts, 
and  Connecticut Ann  17,  in  cont,  pp  795-811 
pottery  industry  of  United  States Ann  17,  in  cont,  pp  842-880 
Rifting  in  rocks  of  Massachusetts,  Cape  Ann Ann  9,  pp  602-605 
Rigidity,  investigations  of Ann  14,  i,  pp  143-150 
of  earth,  considerations  concerning,  derived  from  a  study  of  Lake  Bonne- 
ville   Mon  i,  pp  387-392 
Riggs  (R.  B. ),  analysis  and  composition  of  tourmaline Bull  55.  pp  19-37 
two  new  meteoric  irons  and  an  iron  of  doubtful  nature Bull  42,  pp  94-97 
Riley  series,  origin  of  name Bull  81,  p  246 
Ringgold  quadrangle,  Georgia-Tennessee,  geology  of GF  2 
Rinkite,  chemical  constitution  of Bull  125,  pp  78, 105 
Rio  Grande,  hydrography  of  basin  of Ann  11, 
ii,  pp  52-57,  99, 107;  Ann  12,  n,  pp  240-290 
irrigation  in  valley  of,  method  of Bull  140,  pp  180-186 
irrigation  problems  relating  to  basin  of Ann  11,  n,  pp  215-227 
Pleistocene  origin  of Ann  12,  i,  pp  517-518 
profile  of WS  44,  pp  36-37 
rainfall  and  run-off  in  upper  basin  of Ann  20,  iv,  pp  356-359 
relation  of  Cretaceous  to  Eocene  along Bull  164,  p  35 
reservoir  sites  and  canals  in  basin  of,  surveys  for Ann  11,  n,  pp  145-150 
