>-•]  FELDSPAR — ETSSURING.  323 
Filices  from  Alaska Vnn  17,  i,  pj    877  378 
from  Dakota  group Mon  xvn.  pp  24-25 
from  '  of  California Vnn  20.  n.  pp  343-353 
from  Mesozoic,  older,  of  North  Carolina Ann  20,  n,  pp  280-288 
of  Virginia Mon  vi.  pp  18-63 
from  Potomac  or  younger  Mesozoic Mon  xv.  pp  I  S-341 
from  Triaseic  of  Pennsylvania Ann  20,  n,  pp  235-241 
from  Yellowstone  Park Mon  xxxn.  n,  pp  661 
Filicinae  of  Amboy  clays  of  New  Jersey Mon  xxvi,  pp  36-43 
rbonifero ■-       -     -      Mise      ri,  southwestern Bull  98,  pp  43-103 
rth  America,  extinct .Mon  xxxv,  jjp  1-14 
Filters,  water,  and  related  devices Ann  14,  n,  pp  27 
Filtration  by  means  of  easily  soluble  and  easily  volatile  filters Bull  27.  pp  27   - 
of  water  through  soil,  rate  of Ann  19,  n,  pp  256-260 
Finland,  clay  products  of,  at  Pari.-  Exposition  of  1900 Vnn  21.  vi  cont,  p  376 
Fiord  coast,  an  example  of TF  1,  p  4 
Fiord  or  glacial  harl      -        -   ription  of Vnn  13,  n.  pp  114-118 
Fi«»rds  and  submarine  river   valleys,  preglacial  elevation  of  North  America 
\n  by Mon  xxv.  pp  501-505 
Fire  clay.       S<     I  lay,  fire.) 
5 
-  -    if,  from  Pennsylvania.  Meriontown MR  1893,  p  571 
Fish  I  v  Y< >rk,  flow  of,  measurements  of WS  36,  pp  186-188 
Fish-scale  bed,  analysis  of,  from  Virginia,  Midlothian Vnn  19,  n,  p  432 
K.   .  account  of  Charleston  earthquake  by Ann  9,  pp  242-247 
toted,  on  contraction  of  earth's  crust Vnn  13,  u,  pp  277-278 
a  Carboniferous  of  North  America Mon  xvi,  pp  75-228 
from  Devonian  < if  North  America Mon  xvi,  pp  21-74 
from  Devonian,  higher,  of  New  York Bull  16, 
PP  1 7-20,  40-43 ;  Bull  41 ,  pp  62-63 
from  Esmeralda  formation  of  Nevada Ann  21.  u.  pp  223-226 
from  Newark  system Bull  85,  }  >\  i  ^H-58,  125 
from  Silurian,  upper,  of  North  America Mon  xiv,  pp  17-20 
from    Triassic   rocks  of  New  Jersey  and  Connecticut  Valley,  descriptions 
ra  and  species Mon  xiv.  pp  24-76 
Lty  and  cleavage,  principles  and  causes  of,  and  relations  to  other  struc- 
tures   Vnn  16,  i.  pp  633-668,  800-801.  S72-X74 
irellidae  from  Chico-Tejon  series  of  California Bull  51.]!  Pi 
from  Cretaceous  of  Pacific  coast Bull  133,  p  63 
from  Miocene  deposits  of  New  Jersey Mon  xxiv,  pp  136-137 
re  veins,  gold-bearing,  types  of Ann  18,  in,  p]  i  647-4 15!  I 
Fissures  in  California,  systems  of  Nevada  City  and  <thi>s  Valley  districts Ann  17, 
ii.  pp  164-170,  259 
in  Colorado,  Cripple  Creek  district Ann  16,  n,  pp  139-144;  GF  7,  p  8 
(  uster  County,  ore-bearing Ann  17.  n,  pp  422-429 
La  Plata  quadrangle GF  60,  p  — 
Telluride  quadrangle Ann  18,  in,  pp  764-771 :  GF  57,  pp  15-16 
faulting  of Ann  18,  in,  pp  779-781 
in  Montana,  Butte  district GF  38,  pp  4-5 
fissure-  and  joint  planes  in  rocks  of  Utah,  Mercur  district,  nature  and  age 
of Ann  16.  n.  pp  435-437.  4:is 
I    ssuring,  effect  of  country  rock  on.  in  Colorado Ann  18,  in.  pp  774—776 
relation  of,  to  ore  veins Ann  18,  in,  pp  778-779 
