268  BIBLIOGRAPHY    OF    NORTH    AMERICAN    GEOLOGY 
Perkins  (George  H.)— Continued. 
15.  Underground  waters  of  eastern  United  States:  Vermont. 
U.  S.  Geol.  Surv.,  Water-Supply  and  Irrigation  Paper  no.  114,  pp.  60-67,  1  fig.,  1905. 
Describes  the  water  supply  of  Vermont. 
16.  Mineral  resources  of  Vermont. 
Am.  Mg.  Cong.,  7th  Ann.  Sess.,  Kept,  of  Proa,  pp.  161-165,  1905. 
17.  Tertiary  lignite  of  Brandon,  Vermont,  and  its  fossils. 
Geol.  Soc.  Am.,  Bull.,  vol.  16,  pp.  499-516,  2  pis.  and  1  fig.,  1905. 
Gives  an  account  of  the  location,  extent,  and  character  of  a  deposit  of  Tertiary  lignite  in 
Vermont,  and  describes  the  fossils  obtained  from  it. 
Perkins  (W.  R.),  Logan  (W.  N.)  and. 
1.  The  underground  waters  of  Mississippi,  a  preliminary  report. 
See  Logan  (W.  N.)  and  Perkins  ( W.  R.),  1. 
Perry  (Joseph  H.). 
1.  Notes  on  the  geology  of  Mount  Kearsarge,  New  Hampshire. 
Jour.  Geol.,  vol.  11,  pp.  403-412,  2  figs.,  1903. 
Describes  the  petrologic  characters  of  the  rocks  composing  this  mountain. 
2.  Geology  of  the  Monadnock  Mountain,  New  Hampshire. 
Jour.  Geol.,  vol.  12,  pp.  1-14,  5  figs.,  1901. 
Describes  character,  occurrence,  and  relations  of  the  granites,  schists,  and  other  rocks  of  the 
Monadnock  Mountain,  and  discusses  their  age  and  the  reasons  for  the  survival  of  the 
mountain. 
Perry  (Joseph  H.)  and  Emerson  (Benjamin  K.). 
1.  The  geology  of  Worcester,  Massachusetts. 
Worcester  Nat.  Hist.  Soc,  166  pp.,  illus.,  1903. 
Describes  character,  occurrence,  and  relations  of  rocks  of  Worcester,  and  gives  an  account 
of  the  general  geology  of  the  surrounding  region. 
Peter  (Alfred  M.). 
1.  Report  of  the  Division  of  Chemistry  [of  the  Kentucky  Agricultural  Experiment 
Station] . 
Ky.  Agric.  Exp.  Sta.,  13th  Ann.  Rept.,  for  the  year  1900,  pp.  xi-xxxiv  [1904?]. 
Includes  chemical  analyses  of  crude  petroleum,  phosphatic  limestone,  and  mineral  waters. 
Peters  (W.  J.). 
1.  Itinerary  and  topographic  methods  [of  a  reconnaissance  in  northern  Alaska]. 
V.  S.  Geol.  Surv.,  Professional  Paper  no.  20,  pp.  18-25,  1904: 
Peterson  (O.  A.). 
1.  Osteology  of  Oxydactylus,  a  new  genus  of  camels  from  the  Loup  Fork  of  Nebraska, 
with  descriptions  of  two  new  species. 
Carnegie  Mus.,  Ann.,  vol.  2,  pp.  434-476,  12  pis.,  3  figs.,  1904. 
2.  Recent  observations  upon  Dsemonelix. 
Science,  new  ser.,  vol.  20,  pp.  344-345,  1904. 
3.  Description  of  new  rodents  and  discussion  of  the  origin  of  Dremonelix. 
Carnegie  Mus.,  Mem.,  vol.  2,  pp.  139-202,  5  pis.,  11  figs.,  1905. 
4.  Preliminary  note  on  a  gigantic  mammal  from  the  Loup  Fork  beds  of  Nebraska. 
Science,  new  ser.,  vol.  22,  pp.  211-212,  1905. 
Notes  the  occurrence  and  gives  a  brief  description  of  Dinochoerus  hollandi  n.  gen.  and  sp. 
5.  A  correction  of  the  generic  name  (Dinochoerus)  given  to  certain  fossil  remains 
from  the  Loup  Fork  Miocene  of  Nebraska. 
Science,  new  ser.,  vol.  22,  p.  719,  1905. 
Proposes  the  name  Dinohyus  for  Dinochoerus  (preoccupied). 
Peterson  (O.  A.)  and  Gilmore  (C.  W.). 
1.  Elosaurus  parvus;  a  new  genus  and  species  of  the  sauropoda. 
Carnegie  Mus.,  Annals,  vol.  1,  no.  3,  pp.  490-499,  1  pi.,  10  figs.,  1902. 
