FOR    THE    YEARS    1901-1905,   INCLUSIVE. 
457 
Dynamic  and  structural  geology  (divisions  by 
subject   matter) — Continued. 
General — Continued. 
Geophysical  investigations  suggested, 
Adams   (P.  D.),  9. 
Grain  of  rock,  Lane,  43. 
Hanging  valleys,  Russell,  20. 
Has  the  rate  of  rotation  of  the  earth 
changed  appreciably  during  geo- 
logical history?  Chamberlin  (T.  C), 
7,  10. 
Hot  and  mineral  springs  of  Routt 
County,  Colo.,  Lakes,  97. 
Hot  springs  of  the  southern  United 
States,  Weed,  39. 
Hypothesis  to  account  for  the  transfor- 
mation of  vegetable  matter  into  dif- 
ferent grades  of  coal,  Campbell  (M. 
R),20. 
Ice  ramparts,  Buckley,  2. 
Ice  ramparts,  Van  Ilise,  4. 
Interpretation  of  certain  laminated 
clays,  with  their  bearing  upon  esti- 
mates of  geologic  time,  Berkey,  10. 
Isomorphism  and  .  thermal  properties 
of  the  feldspars.  Day  and  Allen,  1,  2. 
Junction  of  Lake  Superior  sandstone 
and  Keweenawan  traps  in  Wiscon- 
sin, Grant   (U.  S.).  2. 
Linear  force  of  growing  crystals, 
Becker  and  Day,  1. 
Loess  and  the  Iowan  drift,  Shimek,  13. 
Loess  with  horizontal  shearing  planes, 
Udden,  4. 
Lord  Kelvin's  address  on  the  age  of  the 
earth,  Chamberlin   (T.  C),  4. 
Magnetic  phenomena  around  deep  bor- 
ings, Lane,  33. 
Materials  and  manufacture  of  Portland 
cement,  Eckel,  31. 
Metamorphosis  without  crushing,  Em- 
erson (B.  K.),  2. 
Mica  and  the  mica  industry,  Colles,  1. 
Mineral  matter  of  (he  sea,  Salisbury,  5. 
Nantucket  shore  lines,   Gulliver,  3. 
Natural  mounds,  Purdue,  G. 
Natural  mounds,  Spillman,  1. 
Natural  mounds  or  hog  wallows,  Bran 
ner,  8. 
Nebular  and  planelcsimal  theories  of 
the  earth's  origin,  Upharn,  29. 
Nitrates  in  cave  earths,  Nichols  (H. 
W.),  1. 
Notes  on  oceanography,  Dal  I,  2. 
Occurrence  of  pebbles,  concretions,  and  I 
conglomerate  in  metalliferous  veins,  '. 
liaise,  5. 
Oil-impregnated  volcanic  dikes.  Lakes, 
98. 
Origin  and  classification  of  placers,  i 
Smyth   (H.  L.),  1 
Origin  of  bitumen,  Morgan,  1. 
Origin  of  channels  surrounding  Man 
hattan  Island,  Hobbs,  24. 
Origin  of  coral  reefs,  Gardiner,  1. 
Origin  of  gypsum,  Grimsley,  8. 
Dynamic  and  structural  geology  (divisions  by 
subject   matter)— -Continued. 
General — Continued. 
Origin  of  gypsum  deposits,  Sherwin,  2. 
Origin  of  natural   mounds,   Veatcti,   10. 
Origin  of  ocean  basins  on  planetesiinal 
hypothesis,  Chamberlin    ( T    (  .),  11. 
Origin  of  orbicular  and  concietionary 
structure,  Blake   (W,  P.),  19. 
<  frigin  of  pebble-covered  plains  in  desert 
regions,  Blake  (W.  P.),  11. 
Origin  of  petroleum,  coal    etc.,  Plotts,  1. 
Origin  of  ripple  marks,   Branner,  1. 
Origin  of  the  Coal  Measure  fire  clays, 
Hopkins  (T.  C  )-  V 
Origin  of  vein-fVad  openings  in  south- 
eastern  Ah  .,k.(,   Spencer,   18. 
Origin  of  veins  in  asbestiform  serpen- 
tine, Merrill   (G.  P.),  14. 
Paleozoic  Appalachia,  Willis,  1. 
Peal  and  its  relation  to  coal,  Lakes,  96. 
Peneplains  of  central  France,  Davis 
i\V.  M.),  2. 
Physical  geography,  etc.,  of  Essex 
County,   Mass.,  Sears,   1. 
Physical  history  of  the  Windward  Is- 
lands, Hill    (R.  T.),  18. 
Plan  of  the  earth  and  its  causes,  Greg- 
ory (J.  W.),  1. 
Polar  climate  in  time  the  major  factor 
in  the  evolution  of  plants  and  ani- 
mals,  Wieland,  4. 
Possible  function  of  disruptive  ap- 
proach in  the  formation  of  meteor- 
ites, comets,  and  nebula?,  Chamber- 
lin  (T.  C),  2. 
Prairie  mounds  of  Louisiana.  Hilgard, 
G. 
Preservation  of  plants  by  geologic  proc- 
esses, Hollick,  18. 
Problems  of  geophysics,  Becker,  4. 
Profiles  of  rivers,  Gannett,  1. 
Recent  date  of  lava  flows  in  California, 
Wright    (G.   F.),   14. 
Report  of  advisory  committee  on  geo- 
physics, Woodward   (R.  S.),  1. 
Ripple  marks  in  Hudson  River  lime- 
stone, Moore  and  Hole,  1. 
Rival  theories  of  cosmogony,  Fisher 
(O.),  1. 
Rock  basins  of  Helen  mine,  Michipi- 
coten,  Canada,  Coleman,   11. 
Rock  cleavage,   Leith,   13. 
Rock  movements  in  the  Laurentian  and 
Huronian  areas,  Mills   ( S.  !».),  1. 
Pounded  sands  of  Paleozoic  formations, 
Van  Ingen,  0. 
Schistosity  and  slaty  cleavage,   P>ecker, 
3. 
•    Secondary    origin    of    certain    granites, 
Daly,   11. 
Shorelines  and  landslips  of  St.  Law- 
rence Valley,  Chambers,  1. 
Small  mounds,  Bushnell,  1. 
Smoking  bluffs  of  the  Missouri  River 
region,  Powers,   1 
