154  BIBLIOGRAPHY    OF    NORTH    AMERICAN    GEOLOGY 
Hatcher  (John  B. ) — Continued. 
6.  The  Jurassic  Dinosaur  deposits  near  Canyon  City,  Colorado. 
Carnegie  Mus.,  Annals,  vol.  1,  no.  2,  pp.  327-341,  1901. 
Describes  the  mode  of  occurrence  of  the  saurian  remains  near  Canyon  City  and  the  geology  of 
the  strata  in  which  found. 
7.  A  mounted  skeleton  of  Titanotherium  dispar  Marsh. 
Carnegie  Mus.,  Annals,  vol.  1,  no.  3,  pp.  347-355,  3  pis.,  1902. 
8.  Structure  of  the  fore  limb  and  maims  of  Brontosaurus. 
Carnegie  Mus.,  Annals,  vol.  1,  no.  3,  pp.  356-376,  2  pis.,  14  figs.,  1902. 
9.  The  genera  and  species  of  the  Trachodontida  ( Hadrosaurida,  Claosaurida)  Marsh. 
Carnegie  Mus.,  Annals,  vol.  1,  no.  3,  pp.  377-386,  1902. 
10.  Oligocene  Canidae. 
Carnegie  Mus.,  Mem.,  vol.  1,  no.  2,  pp.  65-108,  20  pis.,  7  figs.,  1902.  . 
11.  Origin  of  the  Oligocene  and  Miocene  deposits  of  the  Great  Plains. 
Am.  Phil.  SOC,  Proc,  vol.  41,  pp.  113-131,  1902. 
Discusses  the  character,  distribution,  origin,  and  correlation  of  these  strata. 
12.  Discovery  of  a  musk  ox  skull  (Ovibos  cavifrons  Leidy),  in  West  Virginia,  near 
Steubenville,  Ohio. 
Science,  new  ser.,  vol.  16,  pp.  707-709,  1902. 
13.  A  correction  of  Professor  Osborn's  note  entitled  "New  vertebrates  of  the  Mid- 
Cretaceous.  ' ' 
Science,  new  ser.,  vol.  16,  pp.  831-832,  1902. 
Contains  notes  on  the  locality  of  species  of  Ornithominus  and  the  age  of  the  Judith  Kiver 
beds. 
14.  Osteology  of  Haplocanthosaurus,  with  description  of  a  new  species,  and  remarks 
on  the  probable  habits  of  the  Sauropoda  and  the  age  and  origin  of  the  Atlanto- 
saurus  beds. 
Carnegie  Mus.,  Mem.,  vol.  2,  no.  1,  pp.  1-72,  6  pis.,  28  rigs.,  1903. 
15.  Additional  remarks  on  Diplodocus. 
Carnegie  Mus.,  Mem.,  vol.  2,  no.  1,  pp.  72-75,  2  rigs.,  1903. 
16.  Discovery  of  remains  of  Astrodon   (Pleurocuelus)   in  the  Atlantosaurus  beds  of 
Wyoming. 
Carnegie  Mus.,  Ann.,  vol.  2,  pp.  9-14,  6  figs.,  1903. 
Includes  with  the  description  a  discussion  of  the  synonymy  and  the  age  of  the  beds  in  which 
it  occurs. 
17.  Relative  age  of  the  Lance  Creek  (Ceratops)  beds  of  Converse  County,  Wyoming, 
the  Judith  River  beds  of  Montana,  and  the  Belly  River  beds  of  Canada. 
Am.  Geol.,  vol.  31,  pp.  369-375,  1903. 
18.  A  new  sauropod  dinosaur  [Haplocanthus]  from  the  Jurassic  of  Colorado. 
Wash.  Biol.  Soc,  Proc,  vol.  16,  pp.  1-2,  1903. 
19.  A  new  name  for  the  dinosaur  Haplocanthus  Hatcher. 
Wash.  Biol.  Soc,  Proc,  vol.  16,  p.  100,  1903. 
Proposes  to  substitute  the  name  Haplocanthosaurus  for  Haplocanthus,  preoccupied. 
20.  The  Judith  River  beds. 
Science,  new  ser.,  vol.  17,  pp.  471-472,  1903. 
Discusses  the  stratigraphic  position  of  the  Judith  River  beds. 
21.  An  attempt  to  correlate  the  marine  with  the  nonmarine  formations  of  the  middle 
west. 
Am.  Phil.  Soc,  Proc,  vol.  43,  pp.  341-365,  2  figs.,  1904.     Abstract:  Science,  new  ser.,  vol.  19, 
p.  717, 1904. 
Discusses  conditions  governing  the  formation  of  marine,  brackish,  and  fresh-water  beds,  and 
their  application  to  the  correlation  and  relative  age  of  various  Jurassic  and  Cretaceous 
horizons  of  the  middle  west.    A  note  discussing  the  views  advanced  in  the  paper  is  added 
by  Mr.  T.  W.  Stanton. 
