FOR    THE    YEARS    1901-1905,   INCLUSIVE.  153 
Hartnagel  (0.  A.). 
1.  Preliminary  observations  on  the  Cobleskill  ( "  Coralline  " )  limestone  of  New  York. 
N.  Y.  State  Mus.,  Bull.  69,  pp.  1109-1175,  2  pis.,  5  figs.,  1903. 
Discusses  the  geologic  position,  geographic  extent,  and  outcrops  of  the  "  Coralline  "  limestone, 
the  distribution  and  stratigraphic  relations  of  its  fauna,  giving  lists  of  species  by  localities 
its  relations  to  other  Silurian  formations,  its  correlation  and  nomenclature,  and  the  geo- 
graphic conditions  prevailing  in  Silurian  times. 
2.  Notes  on  the  Siluric  or  Ontario  section  of  eastern  New  York. 
N.  Y.  State  Mus.,  Bull.  80,  pp.  342-358,  1905. 
Describes  the  occurrence,  development,  character,  and  relations  of  Silurian  formations  in  the 
Helderberg  region  of  New  York. 
3.  Structural  relations  and  origin  of  the  limonite  beds  at  Cornwall,  N.  Y. 
Abstract:  Science,  new  ser.,  vol.  21,  p.  991,  1905. 
Hartzell  (Joseph  Culver). 
1.  Das  Oberdevon  Europas  und  Nordamerikas. 
Inaugural  Dissertation,  Ludwig  Maximilians-Universitiit  zu  Miinchen.     Miinchen,  Kastner  & 
Callwey,  73  pp.,  1904. 
Discusses  the  occurrence  and  correlation  of  Devonian  strata  in  Europe,  North  America,  and 
other  parts  of  the  world. 
Harwood  (F.  H.). 
1.  The  fluorspar  and  zinc  mines  of  Kentucky. 
Mg.  &  Sci.  Press,  vol.  86,  pp.  87-88,  101-102,  1903. 
Describes  the  occurrence,  character,  and  mining  of  the  fluorspar  and  zinc  deposits  in  western 
Kentucky  and  southern  Illinois. 
Haseltine  (Robert  M.). 
1.  Lignite  deposits  or  fields  of  brown  coal  in  North  Dakota. 
Mines  and  Minerals,  vol.21,  pp.  545-546,  1901. 
Describes  character  and  occurrence  of  the  lignite  beds. 
2.  The  bituminous  coal  field  of  Ohio. 
U.  S.  Geol.  Surv..  22d  Ann.  Kept.,  pt.  3,  pp.  215-226,  1  pi.,  1902. 
Describes  extent  of  field,  character,  composition,  occurrence,  and  production  of  coals 
Haseltine  (Robert  M. ),  White  (David),  Campbell  (Marius  R. ).  and. 
1.  The  northern  Appalachian  coal  field. 
See  "White  (David),  Campbell  (M.  R.),  and  Haseltine  (R.  M.),  1. 
Hasse  (Adelaide  R. ). 
1.  Reports  of  explorations  printed  in  the  documents  of  the  United  States  government. 
(A  contribution  toward  a  bibliography.) 
Office  Superintendent  of  Documents,  Government  Printing  Office,  Washington,  1899,  90  pp. 
Contains  titles  of  papers  bearing  on  geology. 
Hatcher  (John  B. ). 
1.  Diplodocus  Marsh,  its  osteology,  taxonomy,  and  probable  habits,  with  a  restora- 
tion of  the  skeleton. 
Carnegie  Mus.,  Mem.,  vol.  1,  no.  1,  pp.  1-63,  13  pis.,  24  figs.,  1901.     Abstract:  Science,  new  ser., 
vol.  14,  pp.  531-532,  1901. 
2.  On  the  structure  of  the  manus  in  Brontosaurus. 
Science,  new  ser.,  vol.  14,  pp.  1015-1017.  1901. 
3.  On  some  new  and  little  known  fossil  vertebrates. 
Carnegie  Mus.,  Annals,  vol.  1,  no.  1,  pp.  128-144,  4  pis.,  1901. 
4.  On  the  cranial  elements  and  the  deciduous  and  permanent  dentitions  of  Titano- 
therium. 
Carnegie  Mus.,  Annals,  vol.  1,  no.  2,  pp.  256-262,  2  pis.,  1  fig.,  1901. 
5.  Sabal  rigida;  a  new  species  of  palm  from  the  Laramie. 
Carnegie  Mus.,  Annals,  vol.  1,  no.  2,  pp.  263-264,  1  fig.,  1901. 
