FOR    THE    YEARS    1901-1905,   INCLUSIVE.  157 
Hay  (Oliver  Perry) — Continued. 
21.  The  progress  of  vertebrate  paleontology  at  the  American  Museum  of  Natural 
History,  New  York. 
Am.  Geol.,  vol.  35,  pp.  31-34,  1905. 
22.  The  fossil  turtles  of  the  Bridger  basin. 
Am.  Geol.,  vol.  35,  pp.  327-342,  1  fig.,  1905. 
Describes  the  location  and  character  of  the  Bridger  beds  and  gives  a  general  account  of  their 
chelonian  fauna. 
23.  On  the  group  of  fossil  turtles  known  as  the  Amphichelydia;  with  remarks  on 
the  origin  and  relationships  of  the  suborders,  superfamilies,  and  families  of 
Testudines. 
Am.  Mus.  Nat.  Hist,,  Bull.,  vol.  21,  pp.  137-175,  5  tigs.,  1905. 
24.  A  revision  of  the  species  of  the  family  of  fossil  turtles  called  Toxochelyid;e,  with 
descriptions  of  two  new  species  of  Toxochelys  and  a  new  species  of  Portho- 
chelys. 
Am.  Mus.  Nat.  Hist,,  Bull.,  vol.  21,  pp.  177-185,  16  figs.,  1905. 
25.  On  the  skull  of  a  new  trionychid,  Conchochelys  admirabilis,  from  the  Puerco 
beds  of  New  Mexico. 
Am.  Mus.  Nat.  Hist,,  Bull.,  vol.  21,  pp.  335-338,  3  figs.,  1905. 
Haycock  (Ernest). 
1.  The  geological  history  of  the  Gaspereau  Valley,  Nova  Scotia. 
Nova  Scotian  Inst.  Sci.,  Trans.,  vol.  10,  pp.  361-375,  1  pi..  1902. 
Discusses  the  geologic  history  and  structure  of  this  area. 
2.  Fossils,  possibly  Triassic,  in  glaciated  fragments  in  the   bowlder-clay  of  Kings 
County,  Nova  Scotia. 
Nova  Scotian  Inst.  Sci.,  Trans.,  vol.  10,  pp.  376-378,  1902. 
3.  Geology  of  the  west  coast  of  Vancouver  Island. 
Can.  Geol.  Surv.,  Summ.  Rept.  for  1902,  pp.  74-90,  1903. 
Describes  physiographic  features,  the  general  geology,  the  character  and  occurrence  of  igneous 
rocks,  and  the  economic  resources. 
4.  Geology  of  the  county  of  Ottawa  [Quebec]. 
Can.  Geol.  Surv.,  Summ.  Rept,  for  1904,  pp.  232-239,  1905. 
Hay  den  (Horace  Edwin). 
1.  Mr.  Ralph  Dupuy  Lacoe. 
Wyoming  Hist,  and  Geol.  Soc,  Proc.  and  Coll.,  vol  6,  pp.  39-54,  1901;   Am.  Geol.,  vol.  28,  pp. 
335-344,  1  pi.,  1901. 
Gives  a  sketch  of  his  life. 
Hayes  (Charles  Willard). 
1.  Geological  relations  of  the  iron-ores  in  the  Cartersville  district,  Georgia. 
Am.  Inst.  Mg.  Engrs.,  Trans.,  vol.  30,  pp.  403-419,  2  figs.,  1901. 
Describes  the  stratigraphy  and  structure  of  the  region  and  the  character  and  occurrence  of 
the  iron,  with  notes  on  the  occurrence  of  ocher  and  manganese. 
2.  The  Arkansas  bauxite  deposits. 
U.  S.  Gecl.  Surv.,  21st  Ann.  Rept.,  pt.  3,  pp.  435-472,  5  pis.,  1901.     Abstract:  Jour.  Geol.,  vol.  9, 
pp.  737-739,  1901. 
Describes  the  general  geologic  and  physiographic  relations  of  the  region,  and  the  character, 
occurrence,  and  origin  of  the  bauxite  deposits. 
3.  Tennessee  white  phosphate. 
U.  S.  Geol.  Surv.,  21st  Ann.  Rept.,  pt.  3,  pp.  473-485,  1  pi.,  1901. 
Describes  the  character,  occurrence,  and  origin  of  the  phosphates  of  Perry  County. 
4.  The  asphalt  deposits  of  Pike  County,  Arkansas. 
Eng.  &  Mg.  Jour.,  vol.  74,  p.  782,  1902. 
Contains  notes  on  the  geologic  occurrence  and  gives  a  section  of  the  strata. 
