136  BIBLIOGRAPHY    OF    NORTH    AMERICAN    GEOLOGY 
Gillespie  (P.). 
1.  Cement  industry  of  Ontario. 
Ont.  Bur.  Mines,  Rept.,  1905,  vol.  14,  pt.l,  pp.  L18-183,  illus.,  1905. 
Includes  notes  on  the  occurrence  of  marls  and  clays  in  Ontario. 
Gillette  (Halbert  Powers). 
1.  Osmosis  as  a  factor  in  ore  formation. 
Am.  Inst.  Mg.  Engrs.,  Trans.,  vol.  34,  pp.  710-714,  1904. 
Gillot  (H.). 
1.  Sur  la  composition  chimique  des  poussieres  volcaniques  d  j  la  Martinique. 
Soc.  Geol.  deBelgique,  Ann.,  vol.  30,  pp.  B49-51,  1903. 
Discusses  the  chemical  composition  of  volcanic  ash  from  Martinique. 
Gilmore  (Charles  W. ). 
1.  Discovery  of  teeth  in  Baptanodon,  an  Ichthyosaurian  from  the  Jurassic  of  Wyo- 
ming. 
Science,  new  ser.,  vol.  16,  pp.  913-914,  1902. 
2.  Discovery  of  dental  grooves  and  teeth  in  the  type  of  Baptanodon  (Sauranodon) 
Marsh. 
Science,  new  ser.,  vol.  17,  p.  750,  1903. 
3.  Osteology  of  Baptanodon  ( Marsh ) . 
Carnegie  Mus.,  Mem.,  vol.  2,  pp.  77-129,  6  pis.,  26  figs.,  1905. 
4.  The  mounted  skeleton  of  Triceratops  prorsus. 
U.  S.  Nat.  Mus.,  Proa,  vol.  29,  pp.  433-435,  2  pis.,  1905. 
Gilmore  (Charles  W.j,  Peterson  (O.  A.)  and. 
1.  Elosaurus  parvus;  a  new  genus  and  species  of  the  Sauropoda. 
See  Peterson  (O.  A.)  and  Gilmore  (C.  W.),  1. 
Gilpin  (Edwin,  jr.). 
1.  The  minerals  of  Nova  Scotia. 
Halifax,  N.  S.,  1901.    78  pp. 
Describes  the  economic  mineral  resources  of  the  province. 
2.  The  building  stones  of  Nova  Scotia. 
Stone,  vol.24,  pp.  122-128,  1902. 
3.  Sections  and  analyses  of  Nova  Scotia  coals. 
Nova  Scotian  Inst.  Sci.,  Proc.  &  Trans.,  vol.  11,  pp.  8-17,  1905. 
Giraud  (J.). 
1.  Sur  l'age  des  formations  volcaniques  anciennes  de  la  Martinique. 
Acad.  des.  Sci.  [Paris],  Compt.  rend.,  vol.  135,  pp.  1377-1379,  1902. 
Discusses  the  geologic  age  of  volcanic  formations  on  the  island  of  Martinique. 
Giraud  (J.),  Lacroix  (A.),  Rollet  de  l'Isle  and. 
1.  Sur  l'eruption  de  la  Martinique. 
See  Lacroix  (A.),  Rollet  de  l'Isle  and  Giraud  (J.),  1. 
Girty  (George  H.). 
1.  The  Waverly  group  in  northeastern  Ohio. 
Abstract:  Science,  new  ser.,  vol.  13,  p.  664,  1901. 
Gives  brief  notes  on  the  correlation  and  succession  of  the  subdivisions. 
2.  The  Upper  Permian  in  western  Texas. 
Am.  Jour.  Sci.,  4th  ser.,  vol.  14,  pp.  363-368,  1902. 
Describes  the  lithologic  and  faunal  characters  of  the  Carboniferous  section  examined  by  Shu- 
mard  in  1855,  and  proposes  the  geographic  term  Guadalupian  for  the  Permian  strata  of  the 
region. 
3.  The  Carboniferous  formations  and  faunas  of  Colorado. 
U.  S.  Geol.  Surv.,  Professional  Paper  no.  16,  546  pp.,  10  pis.,  1903. 
Reviews  in  chronologic  order  the  literature  bearing  upon  the  subject  and  includes  a  bibli- 
ography. Gives  a  resume  of  the  literature  upon  the  stratigraphic  geology  of  the  Carbon- 
iferous area  of  Colorado.  Describes  the  character  and  occurrence  of  the  Paleozoic  forma- 
tions, discusses  the  occurrence  and  correlation  of  the  Carboniferous  fossil  faunas  by  geo- 
graphic areas  and  localities,  with  lists  of  species,  and  gives  systematic  descriptions  of  the 
species. 
