168  BIBLIOGRAPHY    OF    TJORTH    AMERICAN    GEOLOGY 
Hillebrand  (W.  F.),  Lindgren  (Waldemar)  and. 
1.  Minerals  from  the  Clifton-Morenci  district,  Arizona. 
See  liindgren  (Waldemar)  and  Hillebrand  (W.  F.),  1. 
Hillebrand  ( YV.  R),  Schaller  (W.  T. )  and. 
1.  Crystallographical  and  chemical  notes  on  lawsonite. 
See  Schaller  (W.  T.)  and  Hillebrand  (W.  P.),  1. 
2.  Notes  on  lawsonite. 
See  Schaller  (W.  T.)  and  Hillebrand  (W.  F.),  2. 
Hills  (R.  C). 
1.  Spanish  Peaks  folio,  Colorado. 
U.  S.  Geol.  Surv.,  Geol.  Atlas  of  U.  S.,  folio  no.  71,  1901. 
Describes  the  geographic  features,  the  character  and  occurrence  of  the  Cretaceous,  Eocene, 
and  Neocene  strata,  the  geologic  structure,  the  igneous  rocks,  and  the  occurrence  of  coal 
and  artesian  water. 
2.  Eocene  and  earlier  beds  of  the  Huerfano  Basin,  Colorado,  and  their  relation  to 
the  Cretaceous. 
Abstract:  Science,  new  ser.,  vol.  15,  p.  417,  1902. 
Discusses  the  correlation  of  these  bed?. 
3.  The  Oscuro  Mountain  meteorite  [New  Mexico]. 
Colo.  Sci.  Soc,  Proc,  vol.  6,  pp.  30-33,  illus.  [19021. 
Describes  the  occurrence  and  the  characters  of  this  meteorite. 
Hind  (Wheelton). 
1.  The  type  of  Aviculipecten. 
Am.  Geol.,  vol.  34,  pp.  200-201,  1904. 
Hitchcock  (A.  S.). 
1.  Controlling  sand  dunes  in  the  United  States  and  Europe. 
Nat.  Geog.  Mag.,  vol.  15,  pp.  43-47,  illus.,  1904. 
Hitchcock  (C.  H.). 
1.  Tuff  cone  at  Diamond  Head,  Hawaiian  Islands. 
Abstract:  Geol.  Soc.  Am.,  Bull.,  vol.  12,  p.  462,  1901;  Science,  new  ser.,  vol.  13,  p.  98,  1901. 
2.  The  story  of  Niagara. 
Amer.  Antiquarian,  vol.  23,  pp.  1-24,  illus.,  1901. 
Describes  the  geological  history  of  the  region  about  Niagara  Falls,  the  geological  history  of 
the  Niagara  Cataract  and  River,  and  discusses  the  rate  of  recession  of  the  falls  and  the 
estimates  of  age  in  years. 
3.  Mohokea  caldera  on  Hawaii. 
Geol.  Soc.  Am.,  Bull.,  vol.  14,  pp.  6-8,  1903. 
4.  Notice  of  a  species  of  Acidaspis  from  a  boulder  of  Marcellus  shale,  found  in  drift 
at  West  Bloomfield,  New  Jersey. 
Am.  Mus.  Nat.  Hist.,  Bull.,  vol.  19,  pp.  97-98,  pi.  6,  1903. 
5.  Protection  of  terraces  in  the  upper  Connecticut  River. 
Abstract:  Science,  new  ser.,  vol.  17,  p.  224,  1903. 
6.  New  studies  in  the  Ammonoosuc  district  of  New  Hampshire. 
Geol.  Soc.  Am.,  Bull.,  vol.  15,  pp.  461-482,  3  pis.,  1904. 
Describes  the  occurrence,  with  lists  of  forms  identified,  of  Silurian  fossils,  and  the  occurrence, 
characters,  and  geologic  relations  of  Silurian  and  perhaps  other  Paleozoic  sedimentary 
strata,  in  large  part  metamorphosed,  and  of  igneous  rocks.  The  paper  includes  a  description 
of  Dalmanites  lunatus  by  Avery  E.  Lambert. 
7.  Glaciation  of  the  Green  Mountains. 
Montpelier.,  Vt.,  Argus  and  Patriot  Press,  1904.    21  pp.     [Private  publication.] 
Describes  various  evidences  of  glacial  action  upon  high  summits  in  the  Green  Mountains  in 
Vermont  and  the  Adirondack^  of  New  York,  and  discusses  glaciation  in  New  England  and 
New  York. 
