258  INDEX    TO    PUBLICATIONS    OF    U.    S.   GEOL.    SURVEY,      [bull.  177. 
Correlation  of  formations  of  Alaska,  table  showing Ann  21,  n,  p  367 
of  formations  of  Marquette,  Crystal  Falls,  and   Menominee   districts   of 
Michigan Ann  19,  in,  pp  15-18;  Mon  xxxvi,  pp  xxv-xxvii 
of  Penokee  district  of  Michigan-Wisconsin Mon  xix,  pp  468-474 
of  Grand  Canyon,  Texas,  Llano,  and  Lake  Superior  Algonkian  series  ...Ann  14, 
ii,  p  519 
of  Lower  Cambrian Ann  10,  i,  pp  595-597 
of  Marquette  and  Menominee  series.  .Ann  15,  pp  647-650;  Mon  xxvni,  pp  575-579 
of  metamorphic  rocks  of  Coast  Ranges  of  California Mon  xiii,  pp  182-188 
of  Missouri  coal  beds Mon  xxxvir,  pp  287-293 
of  North  American  Tertiary  horizons  with  one  another  and  with  those  of 
western  Europe Ann  18,  n,  pp  323-348 
of  Paleozoic  formations  in  Acadian  province Bull  80,  pp  226-257 
of  Pleistocene  deposits  of  Rhode  Island  and  southeastern  Massachusetts  in 
relation  to  glacial  brick  clays Ann  17,  i,  p  988 
of  rock  groups  and  unconformities  of  Lake  Superior  region Ann  7, 
pp  440-441;  Ann  10,  i,  pp  458-464 
of  rocks  in  Massachusetts,  general  section  showing Mon  xxix,  pp  16-18 
in  Massachusetts,  Green  Mountains Mon  xxm,  pp  9-34 
of  sedimentary  formations,  nature  of  and  work  in Ann  14,  i,  pp  72-83 
of  sedimentary  series  of  Alaska.. .Ann  20,  vn,  pp  179-187,  316-317;  413,  482-483 
of  transition  beds Bull  15,  pp  13-17 
of  western  terranes  with  eastern  series  by  means  of  fossil  plants,  difficul- 
ties in  Bull  98,  pp  109-110 
paleontologic,  necessity  of  and  work  in Ann  14,  i,  pp  135-136 
Paleozoic  and  Mesozoic  types  in  Texas,  mingling  of Bull  77 
plan  for  discussion  of,  and  work  in Ann  10, 
i,  pp  10-12,  108-113;  Ann  13,  i,  pp  97-98;  Bull  80,  pp  7-9 
X>rinciples  of,  general Bull  85,  pp  108-116 
illustrated  by  phenomena  of  the  Lake  Superior  region. .  .Ann  7,  pp  371-448 
unconformities,  use  of,  in  establishing Ann  7,  pp  439-446 
Correlation  essays  published  by  the  United  States  Geological  Survey: 
Archean  and  Algonkian,  by  C.  R.  Van  Hise Bull  86 
Cambrian,  by  C.  D.  Walcott Bull  81 
Cretaceous,  by  C.  A.  White Bull  82 
Devonian  and  Carboniferous,  by  H.  S.  Williams Bull  80 
Eocene,  by  W.  B.  Clark Bull  83 
Neocene,  by  W.  H.  Dall  and  G.  D.  Harris Bull  84 
Newark  system,  by  I.  C.  Russell Bull  85 
Corsicana  beds  of  Texas Ann  21 ,  vn,  pp  342-343 
Cortlandt  series  of  New  York Bull  86,  pp  395,  397 
Cortlandite,  analysis  of,  from  Maryland,  Howard  County Ann  15, 
p  674;  Bull  148,  p  84;  Bull  168,  p  43 
from  Massachusetts,  Belchertown,  description  and  analysis  of.. Mon  xxix,  p  347 
from  New  York,  Stony  Point,  description  of,   as  one  of  the  educational 
series  (hdrnblende-peridotite) Bull  150,  pp  294-297 
Corundophilite,  analyses  of,  from  Massachusetts,  Chester Bull  126,  pp  60,  61 
chemical  constitution  of Bull  125,  p  54 
Corundum,  abrasive  efficiency  of Ann  21,  vi  cont,  pp  447-448 
manufacture  and  use  of Ann  17,  in  cont,  pp  943-947 
occurrence  of MR  1883-84,  pp  733-736; 
Ann  19,  vi  cont,  pp  503-504;  Ann  20,  vi  cont,  pp  569-573 
of  southern  Appalachian  region V nn  17,  in  cont,  pp  935-943 
origin  of  the  gneiss-dunyte  contacts  of  Corundum  Hill,  North  Carolina,  in 
relation  to Bull  42,  pp  45-63 
