FOR    THE    YE4KS    1901-1905,   INCLUSIVE.  143 
Grant  (Ulysses  Sherman) — Continued. 
7.  A  pre-Glacial  peneplain  in  the  driftless  area. 
Abstract:  Science,  new  ser..  vol.  19,  p.  528,  1904;  Sci.  Am.'Suppl.,  vol.  57,  p.  23446,  1904. 
8.  Field  work  in  the  Wisconsin  lead  and  zinc  district. 
Abstract:  Geol.  Soc.  Am.,  Bull.,  vol.  15,  pp.  552-553,  1904;  Science,  new  ser.,  vol.  19,  p.  526, 
1904;  Sci.  Am.  Suppl.,  vol.  57,  p.  23446,  1901;   Eng.  &  Mg.  Jour.,  vol.  77,  p.  74,  1904. 
Describes  briefly  the  method  adopted  in  a  combined  topographic,  geographic,  and  geologic 
survey  in  this  region. 
9.  Structural  relations  of  the  Wisconsin  zinc  and  lead  deposits. 
Econ.  Geo!.,  vol.  1.  pp.  233-242,  4  figs.,  1905. 
Describes  the  general  and  structural  geology  of  the  ore  deposits,  and  discusses  their  origin. 
10.  Zinc  and  lead  ores  of  southwestern  Wisconsin. 
U.  S.  Geol.  Surv.,  Bull.  no.  260,  pp.  304-310,  1905. 
Describes  the  general  geology,  and  the  character  and  occurrence  of  zinc  and  lead  deposits. 
11.  Water  resources  of  the  Mineral  Point  quadrangle,  Wisconsin. 
U.  S.  Geol.  Surv.,  Water-Supply  and  Irrigation  Paper  no.  145,  pp.  67-73,  1905. 
Gratacap  (L.  P.).  • 
1.  Paleontological  speculations. 
Am.  Geol.,  vol.  27,  pp.  75-100,  1901. 
Discusses  the  life  history  and  development  of  various  fossil  forms. 
2.  Paleontological  speculations.     II. 
Am.  Geol.,  vol.  28,  pp.  214-234,  1901. 
Discusses  biological  crises. 
3.  The  Ward-Coonley  collection  of  meteorites. 
Sci.  Am.  Suppl.,  vol.52,  pp.  21382-21383,  1901. 
Contains  notes  on  the  characters  of  meteorites. 
4.  Paleontological  speculations.     III. 
Am.  Geol.,  vol.  29,  pp.  290-301,  1902. 
5.  The  great  Jurassic  dinosaur. 
Sci.  Am.,  vol.  86,  p.  5,  3  figs.,  1902. 
Describes  the  vertebrate  animal  life  of  the  Jurassic  and  the  occurrence  of  remains  in 
Wyoming. 
6.  Vade  mecum  guide.     A  popular  guide  to  mineral  collections.     With  a  chapter  on 
the  development  of  mineralogy. 
New  York,  The  Broad  way  Press,  no  date.    178  pp.,  illus. 
7.  Geology  of  the  City  of  NewT  York   (Greater  New  York),  with  geological  map. 
Second  edition.     For  use  in  schools,  institutes,  and  classes. 
New  York,  Brentano's,  1904.     119  pp.,  35  figs.,  and  geol.  map. 
Graton  (Louis  Caryl). 
1.  On  the  petrographical  relations  of  the  Laurentian  limestones  and  the  granite  in 
the  towmship  of  Glamorgan,  Haliburton  County,  Ontario. 
Can.  Rec.  Sci.,  vol.  9,  pp.  1-38,  1903. 
2.  Up  and  down  the  Mississaga  [Ontario]. 
Ont,  Bur.  Mines  [12th]  Rept.,  pp.  157-172,  3  pis.,  1903. 
Contains  observations  on  the  geography,  typography,  geology,  petrography,  and  resources. 
3.  The  Carolina  tin  belt. 
U.  S.  Geol.  Surv.,  Bull.  no.  260,  pp.  188-195,  1  fig.,  1905. 
Describes  the  location  and  general  geology  of  the  region  in  which  tin  ores  have  been  discov- 
ered, their  character  and  occurrence,  and  tne  mining  developments. 
4.  Consanguinity  of  the  eruptive  rocks  of  Cripple  Creek. 
Abstract:  Science,  new  ser.,  vol.  21,  p.  391,  1905. 
Graton  (L.  C. )  and  Schaller)  W.  T.). 
1.  Purpurite,  a  new  mineral. 
Am.  Jour.  Sci.,  4th  ser.,  vol.  20,  pp.  146-151, 1905.  Zeitschr.  f.  Krystall.  u.  Min.,  Bd.  41,  pp.  433- 
438,  1905  [German  translation] . 
Describes  occurrence,  physical  properties,  and  chemical  composition. 
