FOR    THE    YEARS    1901-1905,   INCLUSIVE.  109 
Eaton  (George  F. ) . 
1.  Notes  on  the  collection  of  Triassic  fishes  at  Yale. 
Am.  Jour.  Sci.,  4th  ser.,  vol.  15,  pp.  259-268,  2  pis.,  1903. 
Gives  descriptions  and  figures  of  some  of  the  material. 
2.  The  characters  of  Pteranodon. 
Am.  Jour.  Sci.,  4th  ser.,  vol.  16,  pp.  82-86,  2  pis.,  1903. 
3.  Characters  of  Pteranodon  (second  paper). 
Am.  Jour.  Sci.,  4th  ser.,  vol.  17,  pp.  318-320,  2  pis.,  1904. 
4.  Obituary — John  Bell  Hatcher. 
Am.  Jour.  Sci.,  4th  ser.,  vol.  18,  pp.  163-164,  1904. 
Eavenson  (H.  N. ). 
1.  The  Connellsville  region.     Its  mineral   resources — the  extent  of  territory — the 
methods  of  mining  and  amount  of  output. 
Mines  &  Minerals,  vol.  23,  pp.  26-29,  1902. 
Eckel  (Edwin  C). 
1.  The  formation  as  the  basis  for  geologic  mapping. 
Jour.  Geol.,  vol.  9,  pp.  708-717,  1901. 
Discusses  the  problems  involved  and  the  application  of  the  proposed  system. 
2.  The  emery  deposits  of  Westchester  County,  New  York. 
Min.  Ind.  for  1900,  pp.  15-17,  1901. 
Describes  briefly  the  character  and  occurrence  of  the  deposits. 
3.  A  recently  discovered  extension  of  the  Tennessee  white  phosphate  fields. 
U.  S.  Geol.  Surv.,  Min.  Res.  for  1900,  pp.  812-813,  1901. 
Briefly  describes  occurrence  in  Decatur  County. 
4.  The  Portland-cement  industry  in  New  York. 
Eng.  News,  vol.  45,  pp.  365-367,  1901. 
Describes  the  development  of  the  industry  and  the  character  and  occurrence  of  the  raw 
materials,  and  discusses  the  processes  of  manufacture  employed. 
5.  Chapters  on  the  cement  industry  in  New  York. 
N.  Y.  State  Mus.,  Bull.  no.  44,  pp.  849-955,  17  pis.,  map  in  pocket,  1901. 
Describes  character  of  materials  and  processes  of  manufacture  of  cement  in  New  York. 
6.  The  quarry  industry  in  southeastern  New  York. 
N.  Y.  State  Mus.,  54th  Ann.  Rept.,  vol.  1,  pp.  rl41-rl76,  20  pis.,  1902. 
•7.  The  classification  of  the  crystalline  cements. 
Am.  Geol.,  vol.  29,  pp.  146-154,  1902. 
8.  The  preparation  of  a  geologic  map. 
Jour.  Geol.,  vol.  10,  pp.  50-56,  1902. 
9.  Summaries  of  the  literature  of  structural  materials.     I. 
Jour.  Geol.,  vol.  10,  pp.  442-149,  1902. 
10.  Summaries  of  the  literature  of  structural  materials.     II. 
Jour.  Geol.,  vol.  10,  pp.  542-550,  1902. 
11.  Summaries  of  the  literature  of  structural  materials.     III. 
Jour.  Geol.,  vol.  11,  pp.  86-92,  1903. 
12.  Summaries  of  the  literature  of  economic  geology. 
Jour.  Geol.,  vol.  11,  pp.  716-719, 1903. 
13.  The  materials  and  manufacture  of  Portland  cement. 
Cement  Resources  of  Alabama.    58th  Cong.,  1st  sess.,  Sen.  Doc.  no.  19,  pp.  1-11,  1903. 
Describes  character  of  materials  required  and  processes  of  manufacture  with  particular  refer- 
ence to  the  industry  in  Alabama. 
14.  Molding  sand :  its  uses,  properties,  and  occurrence. 
N.  Y.  State  Mus.,  55th  Ann.  Rept.,  pp.  r91-r96,  1903. 
