292  BIBLIOGRAPHY    OF    NORTH    AMERICAN    GEOLOGY 
Bussell  (Israel  C. )—  Continued. 
17.  Bela  Hubbard. 
Mich.  Acad.  Sci..  4th  Rept.,  pp.  163-165,  por.,  1904. 
Gives  a  brief  account  of  his  life. 
18.  Biographical  notice  of  William  Henry  Pettee. 
Am.  Geol.,  vol.35,  pp.  1-4,  1  pi.  (por.),  1905. 
Includes  a  list  of  his  published  writings. 
19.  The  influence  of  caverns  on  topography. 
Science,  new  ser.,  vol.  21,  pp.  30-32,  1905. 
20.  Hanging  valleys. 
Geol.  Soc.  Am.,  Bull.,  vol.  16,  pp.  75-90,  1905. 
Gives  a  classification  of  hanging  valleys,  describes  their  characters  and  origin,  and  discusses 
particularly  the  characteristics  and  origin  of  glaciated  hanging  valleys. 
21.  Preliminary  report  on  the  geology  and  water  resources  of  central  Oregon. 
U.  S.Geol.  Surv.,  Bull.  no.  252,  138  pp.,  24  pis.,  1905. 
Describes  the  general  physiographic  features  and  geology  of  the  region,  and  in  detail  the  phys- 
iographic features,  the  character  and  occurrence  of  volcanic  and  stratified  rocks  and  the 
water  resources  of  the  counties  included  in  the  area  under  consideration. 
22.  The  Pele  obelisk  once  more. 
Science,  new  ser.,  vol.  21,  pp.  924-931,  1  fig. ,  1905. 
Discusses  the  mode  of  formation  of  the  spine  of  Mont  Pele. 
23.  A  geological  reconnaissance  along  the  north  shore  of  Lakes  Huron  and  Michigan. 
Mich.  Geol.  Surv.,  Rept.  for  1904,  pp.  33-112,  3  pis.,  1  map,  1905. 
Describes  briefly  the  character  and  occurrence  of  Ordovician,  Silurian,  and  Devonian  strata, 
and  in  detail  the  extent,  character,  and  origin  of  Glacial  deposits,  and  various  physiographic 
features. 
24.  Drumlin  areas  in  northern  Michigan. 
Abstract:  Am.  Geol.,  vol.  35,  pp.  177-179,  1905;  Science,  new  ser.,  vol.  21,  pp.  220-221,  1905. 
Rutland  (Joshua). 
1.  Mammals  and  reptiles;  or  what  was  the  Ice  ages? 
Sci.  Am.  Suppl.,  vol.  51,  pp.  21032-21033,  1901. 
Describes  their  occurrence  and  characters  in  geologic  times. 
Rutledge  (J.  J.),  Clark  (W.  B.),  Martin  (G.  C.)  and. 
1.  Distribution  and  character  of  the  Maryland  coal  beds. 
See  Clark  (W.  B.),  Martin  (G.C.),  and  Rutledge  (J.  J.),  1. 
Rutley  (Frank). 
1.  Mineralogy. 
London,  Thomas  Murby,  1900.  12th  ed.,  240  pp.  Review:  Am.  Jour.  Sci.,  4th  ser.,  vol.  11 
p.  921,  1901. 
s. 
Safford  (J.  M.). 
1.  Horizons  of  phosphate  rocks  in  Tennessee. 
Geol.  Soc.  Am.,  Bull.,  vol.  13,  pp.  14-15,  1901. 
Describes  the  geologic  relations  of  the  various  phosphate  deposit? 
2.  Classification  of  the  geological  formations  of  Tennessee. 
Geol.  Soc.  Am.,  Bull.,  vol.  13,  pp.  10-14,  1901. 
Gives  in  tabular  form  a  list  of  the  geological  formations  of  Tennessee  and  includes  brief  notes 
regarding  them. 
Safford  (J.  M.),  and  Killebrew  (J.  B.). 
1.  The  elements  of  the  geology  of  Tennessee. 
Nashville,  Tenn.,  1900.    264  pp.,  45  figs. 
Salazar  (Leopoldo). 
1.  Apuntes  relativos  al  mineral  de  Taxco  de  Alarcon  (Estadode  Guerrero)  [Mexico]. 
Soc.Cient.  Ant.  Alz.,  Mem.,  vol.  16,  pp.  167-177,  1  pi.,  1901, 
