220  INDEX    TO    PUBLICATIONS    OF    U.   S.    GEOL.   SURVEY,     [bull.177. 
Clarke  (F.  W. ),  iridium,  statistics  of MR  1882,  p  444 
mica,  statistics  of MR  1883-84,  pp  906-912 
minerals  of  Litchfield,  Maine Bull  42,  pp  28-38 
oligoclase  from  Bakersville,  North  Carolina Bull  60,  pp  129-130 
petalite  from  Peru,  Maine Bull  60,  p  129 
researches  on  the  lithia  micas Bull  42,  pp  11-27 
some  nickel  ores  from  Oregon Bull  60,  pp  21-26 
spessartite  from  Amelia  County,  Virginia Bull  60,  p  129 
studies  in  the  mica  group Bull  55,  pp  13-18 
topaz  from  Stoneham,  Maine Bull  27,  pp  9-15 
Tschermak's  theory  of  the  chlorite  group  and  its  alternative Bull  113, pp  11-21 
willemite  from  the  Trotter  mine,  Franklin,  New  Jersey Bull  60,  p  130 
work  in  charge  of,  1883-1900 Ann  5,  pp  59-62;  Ann  6,  pp 
86-88;  Ann  7,  pp  127-130;  Ann  8,  i,  pp  189-193;  Ann  9,  pp  141- 
143;  Ann  10,  i,  pp  177-181;  Ann  11,  i,  pp  125-127;  Ann  12, 
i,  pp  127-129;  Ann  13,  i,  pp  159-162;  Ann  14,  i,  pp  267-268; 
Ann  15,  pp  195-196;  Ann  16,  i,  pp  42-43;  Ann  17,  i,  pp  69-70; 
Ann  18,  i,  pp  69-70;  Ann  19,  i,  pp  68-69;  Ann  20,  i,  pp  68-69; 
Ann  21,  i,  pp   94-95;    Bulls  9,  27,  42,  55,  60,  64,  78,  90,  113 
Clarke  (F.  W. )  and  Catlett  (C.) ,  a  platiniferous  nickel  ore  from  Canada Bull  64, 
pp  20-21 
Clarke  (F.  W. )  and  Chatard  (T.  M. ) ,  mineral,  rock,  ore,  and  water  analyses Bull  9, 
pp  9-35 
Clarke  (F.  W.)  and  Darton  (N.  H.)  on  a  hydromica  from  New  Jersey Bull  167, 
pp  154-155 
Clarke  (F.  W.)  and  Diller  (J.  S.),  turquoise  from  New  Mexico Bull  42,  pp  39-44 
Clarke    (F.  W.)   and  Hillebrand   (W.  F.),  analyses  of  rocks   and  analytical 
methods Bull  148 
Clarke  (F.  W.)  and  Schneider  (E.  A.),  experiments  upon  the  constitution  of 
certain  micas  and  chlorites Bull  113,  pp  27-33 
experiments  upon  the  constitution  of  the  natural  silicates Bull  78,  pp  11-33 
on  the  constitution  of  certain  micas,  vermiculites,  and  chlorites Bull  90, 
pp  1 1-21 
Clarke  (F.  W. )  and  Steiger  (G.  H. )  experiments  relative  to  the  constitution  of 
pectolite,  pyrophyllite,  calamine,  and  analcite Bull  167, 
pp  13-25 
Clarke  (J.  M. ),  higher  Devonian  faunas  of  Ontario  County,  New  York Bull  16 
Clarksburg  formation  of  Michigan,  petrographic  character,  relations,  etc.,  of.  .Ann  15, 
pp  604-607;  Mon  xxvm,  pp  460-486 
of  Michigan,  thin  section  of  .sedimentary  bed  from,  sec.  17,  T.  47  N.,  R. 
28  W Mon  xxvm,  pp  470-471 
Classification,  natural  method  of,  as  indicated  by  paleobotany Ann  5,  pp  431-452 
of  Cambrian,  early,  and  pre-Cambrian Ann  7,  pp  365-454 
of  clays,  commercial  and  natural MR  1891,  pp  476-484 
of  cryptogams Ann  5,  pp  437-439 
of  drainage  basins Ann  1 2,  n,  pp  232-234 
of  formations  by  paleontologic  and  lithologic  characteristics  and  by  uncon- 
formity   Ann  7,  pp  371-448 
(See,  also,  Correlation.) 
of  geology Ann  11,  i,  pp  238-242 
of  igneous  rocks Ann  12,  i,  pp  660-663 
from  Alaska  according  to  composition Ann  20,  vn,  pp  188-194 
of  lavas  of  Nevada,  Eureka  district Mon  xx,  p  233 
