wakmax.J  CHILE CHROMATE.  217 
Chloride,  analysis  of  phosphonitrilic,  oily,  residual  of Bull  167,  p  133 
analysis  of  polyphosphonitrilie Bull  167,  p  134 
of  tetraphosphonitrilic Bull  167,  p  87 
Chlorides,  on  tri-  and  tetraphosphonitrilic Bull  167,  pp  77-89 
Chlorine  in  dolomites  of  Colorado,  Mosquito  Range Mon  xn,  p  279 
Chlorine,  bromine,  and  iodine,  indirect  estimation  of,  by  electrolysis  of  their 
silver  salts,  with  experiments  on  convertibility  of  silver 
salts  by  the  action  of  alkaline  haloid Bull  42,  pp  89-93 
Chlorite,  analysis  of,  from  North  Carolina,  Corundum  Hill Bull  42,  p  56 
analysis  of,  from  North  Carolina,  Iredell  County Bull  74,  p  68 
as  a  product  of  weathering Bull  62,  p  213 
format  ion  of,  in  Comstock  lode,  Nevada i Mon  in,  p  211 
in  decomposition  of  rocks Mon  in,  pp  72,  210,  384 
in  gneisses  of  Minnesota,  southwestern Bull  157,  pp  59-60 
thin  section  of,  from  Michigan,  Sturgeon  Falls Bull  62,  p  71 
from  Nevada,  Sutro  Tunnel,  from  augite-andesite Mon  in,  pp  150-151 
Washoe  district,  from  porphyritic  diorite Mon  in,  pp  150-151 
Chlorite  and  epidote,  thin  section  of,  from  Nevada,  Ophir  Ravine,  from  diorite- 
porphyry Mon  in,  pp  150-151 
Chlorite-epidote,  thin  section  of,  from  Michigan,  Upper  Quinnesec  Falls,  from 
an  altered  diabase Bull  62,  pp  228-229 
Chlorite  group,  Tschermak's  theory  of Bull  113,  pp  11-21 
Chlorite-schist  of  Northwestern  States Ann  5,  pp  211-212 
of  Sierra  Nevada Ann  17,  i,  pp  578,  585,  651 
Chlorite-schist   with    chlorite,    analysis    of,    from    Pennsylvania,    near    Pine 
Grove Bull  136,  p  78 
Chlorite-slate,  biotitic,  thin  section  of,  from  Wisconsin,  NW.  \  sec.  14,  T.  44  N., 
R.3W Ann  10,  i,  pp  478-479;   Mon  \i\,  pp  486-487 
Chlorites,  composition  of Bull  150,  p  43 
constitution  of Bull  113,  pp  27-33;  Bull  125,  pp  45-56 
in  rocks  of  Pacific  slope Mon  \ in,  pp  85-86 
Chlorites,  micas,  and  vermiculites,  on  the  constitution  of  certain Bull  90,  pp  11-21 
Chloritic  dust,  analysis  of,  from  North  Carolina,  Alexander  County Bull 55,  p  14 
Chloritization,  a  kind  of  mineralogic  metamorphism Bull  62,  p  55 
Chloritoid,  analysis  of,  from  North  Carolina,  Chatham  County Bull  74,  p  68 
chemical  constitution  of Bull  1 25,  pp  48,  54,  55,  103 
Chloro-bronio-iodidesof  silver,  analyses  of,  from  Colorado,  Leadville.  .Mon  xn,  p  600 
Chloronitrides  of  phosphorus  and  metaphosphinic  acids .Bull  167,  pp  77-153 
Chloropal,  analysis  of,  from  Colorad<  >,  (  Wpple  Creek  district Ann  16,  n,  p  123 
Chlorophyllite,  analysis  and  chemical  constitution  of Bull  125,  p  83 
Choccolocco  or  Montevallo  shales,  origin  of  name Bull  81,  p  247 
Chocolate  porphyry  of  Montana,  Little  Belt  Mountains. ....  .Ann  20,  in,  pp  349-351 
Choffat  (P. ),  correlation  table  of  Mesozoic  deposits  of  Portugal,  from.  .Ann  16,  i,  p  525 
Chondrites  of  Amboy  clays Mon  xxvi,  p  34 
Chondrodite,  chemical  constitution  of Bull  125,  pp  69,  104 
from  Iowa,  description  and  analysis  of Bull  78,  pp  95-97 
occurrence  and  statistics  of MR  1883-84,  p  767 ;  Ann  16,  iv,  p  605 
Chondrodite-limestone,  analysis,  etc.,  of,   from  Massachusetts,  Hinsdale  Sta- 
tion   Bull  159,  pp  31-32 
Chouteau  group,  history  of  discussions  concerning  correlation  of .  .Bull  80,  pp  173-192 
Christy  (S.  B. ),  quicksilver  reduction  at  New  Almaden MR  1883-84,  pp  503-534 
Chromate  of  iron,  analysis  of,  from  Massachusetts,  near  Blandford Bull  126,  p  55 
