28  PUBLICATIONS    OF    U.   B.   GEOLOGICAL    SURVEY.         [bull.  177. 
1898  Nonmetallic  products,  except  coal  and  coke  David  T.  Day, 
chief  of  division;  Part  YIL — Explorations  in  Alaska  in  1898] 
[Vignette  J     Washington     Government  Printing  Office     1899 
8°.  7  pts.  in  8  vols.,  and  separate  8°  case  for  maps  with  Pt.  V.  551  pp.,  2  pis. 
(maps);  v,  953  pp.,  193  pis.  and  maps;  v,  595  pp.,  77  pis.  and  maps;  vii,  660  pp..  75 
pis.;  xix,  498  pp.,  159  pis.  and  maps  (8  maps  in  separate  case);  viii,  616  pp.;  xi, 
804  pp.,  1  pi. ;  v,  509  pp.,  25  maps  and  38  pis.  Bound  in  dark  maroon  cloth  (Survey 
edition) .     Separates  of  the  various  papers  were  issued,  in  paper  covers. 
Pt,       I.  Director's  report,  including  triangulation  and  spirit  leveling.     551pp., 
2  pis.  (maps). 
Report  of  the  Director,  pp.  11-209,  pis.  i,  ii  (maps  in  pocket). 
Triangulation  and  spirit  leveling,  by  H.  M.  Wilson,  J.  H.  Renshawe, 
E.  M.  Douglas,  and  R.  U.  Goode,  pp.  211-530. 
Index,  pp.  531-551. 
Pt.     II.  General  geology  and  paleontology,     v,  953  pp.,  193  pis.  and  maps. 
Brief  memorandum  on  the  geology  of  the  Philippine  Islands,  by  George 
F.  Becker,  pp.  1-7. 
A  study  of  Bird  Mountain,  Vermont,  by  T.  Nelson  Dale,  pp.  9-23,  pis. 
i,  ii. 
Devonian  fossils  from  southwestern  Colorado;  the  fauna  of  the  Ouray 
limestone,  by  George  H.  Girty,  pp.  25-81,  pis.  iii-vii. 
A  preliminary  paper  on  the  geology  of  the  Cascade  Mountains  in  north- 
ern Washington,  by  Israel  C.  Russell,  pp.  83-210,  pis.  viii-xx. 
Status  of  the  Mesozoic  floras  of  the  United  States;  first  paper:  The  older 
Mesozoic,  by  Lester  F.  Ward,  with  the  collaboration  of  Wm.  M. 
Fontaine,  Atreus  Wanner,  and  F.  H.  Knowlton,  pp.  211-748,  pis. 
xxi-clxxix. 
The  stratigraphic  succession  of  the  fossil  floras  of  the  Pottsville  forma- 
tion in  the  southern  anthracite  coal  field,  Pennsylvania,  by  David 
White,  pp.  749-930,  pis.  clxxx-cxciii. 
Index,  pp.  931-953. 
Pt,  III.  Precious-metal  mining  districts,     v,  595  pp.,  77  pis.  and  maps. 
The  Bohemia  mining  region  of  western  Oregon,  with  notes  on  the  Blue 
River  mining  region  and  on  the  structure  and  age  of  the  Cascade 
Range,  by  J.  S.  Diller;  accompanied  by  A  report  on  the  fossil  plants 
associated  with  the  lavas  of  the  Cascade  Range,  by  F.  H.  Knowlton, 
pp.  1-64,  pis.  i-vi. 
The  gold  and  silver  veins  of  Silver  City,  De  Lamar,  and  other  mining 
districts  in  Idaho,  by  Waldemar  Lindgren,  pp.  65-256,  pis.  vii-xxxv. 
Geology  of  the  Little  Belt  Mountains,  Montana,  with  notes  on  the  min- 
eral deposits  of  the  Neihart,  Barker,  Yogo,  and  other  districts,  by 
Walter  Harvey  Weed;  accompanied  by  A  report  on  the  petrography 
of  the  igneous  rocks  of  the  district,  by  L.  V.  Pirsson,  pp.  257-581, 
pis.  xxxvi-lxxvii. 
Index,  pp.  583-595. 
Pt.  IV.  Hydrography,     vii,  660  pp.,  75  pis. 
Report  of  progress  of  stream  measurements  for  the  calendar  year  1898, 
by  F.  H.  Newell,  pp.  1-562,  pis.  i-lxiii. 
Hydrography  of  Nicaragua,  by  Arthur  Powell  Davis,  pp.  563-637,  pis. 
lxiv-lxxv. 
Index,  pp.  639-660. 
Pt.  V.  Forest  reserves,     xix,  498  pp.,  159  pis.  and  maps  (8  maps  in  separate 
case). 
