FOR    THE    YEARS    1901-1905,   INCLUSIVE.  223 
Lindgren  (Waldemar)  and  Hillebrand  (W.  F. ). 
1 .   Minerals  from  the  Clifton-Morenci  district,  Arizona. 
Am.  Jour.  Sci.,  4th  ser.,  vol.  18,  pp.  448-460,  2  figs.,  1904;  U.  S.  Geol.  Surv.,  Bull.  no.  262.  pp. 
42-54,  2  figs.,  1905. 
Describes  the  occurrence,  optical  and  other  characters,  and  chemical  composition  of  some 
minerals  from  copper  deposits  in  Arizona. 
Lindgren  (Waldemar)  and  Ransome  (Frederick  Leslie). 
1.  Report  of  progress   in  the  geological   resurvey  of  the   Cripple    Creek   district, 
Colorado. 
U.  S.  Geol.  Surv.,  Bull.  no.  254,  36  pp.,  1904. 
Describes  the  general  geology  and  the  occurrence  and  character  of  the  gold-ore  deposits. 
2.  The  geological  resurvey  of  the  Cripple  Creek  district,  Colorado. 
U.  S.  Geol.  Surv..  Bull.  no.  260,  pp.  85-98,  1905. 
Describes  the  general  geology  and  the  character  and  relations  of  the  gold-ore  deposits,  and 
discusses  the  types  of  ore  deposits  and  their  relations  to  depth  from  surface. 
Lines  (E.  F. ). 
1.  Well  records. 
U.  S.  Geol.  Surv.,  Bull.  no.  264,  pp.  41-103,  1905. 
Gives  a  summary  of  well  drilling  reported  in  1904. 
Lloyd  (John  Uri). 
1.   When  did  the  American  mammoth  and  mastodon  heroine  extinct? 
Records  of  the  Past,  vol.  3,  pp.  43-46,  L904. 
Lobel  (Loicq  de). 
1.  Relation  du  voyage  au  Klondyke. 
Mus.  d'Hist.  Nat.,  [Paris],  Bull.,  vol.  7.  pp.  99-103,  L901. 
Lobley  (J.  Logan). 
1.   Volcanic  action  and  the  West  Indian  eruptions  of  1902. 
Victoria  Inst.,  Jour.  Trans.,  vol.  35,  pp.  208-225,  1903. 
Describes  vol carUc  phenomena  in  general  and  more  particularly  those  of  the  West  Indian 
eruptions  of  1902,  and  discusses  geologic  and  geographic  conditions,  and  the  causes  and 
results  of  volcanic  action. 
Logan  (W.  N.). 
1.  Economic  products  of  St.  Lawrence  County  [New  York]. 
N.  Y.  State  Mus.,.  56th  Ann.  Rept.,  pp.  rll8-rl24,  1904. 
Describes  the  occurrence  and  production  of  economic  products  of  this  area. 
2.  Geology  of  Oktibbeha  County  [Mississippi]. 
Geological  and  Industrial  Survey  of  Mississippi,  Report  1,  Miss.  Agr.  &  Mech.  Coll.,  Bull.,  vol.  1, 
no.  2,  pp.  5-49,  6  pis.,  5  figs.,  1904. 
Describes  drainage,  topography,  and  physiography,  the  character,  occurrence,  and  relations 
of  the  Cretaceous,  Tertiary,  and  Quaternary  formations,  and  the  economic  resources  of  the 
county. 
Logan  (W.  N.)  and  Perkins  ( W.  R.). 
1.  The  underground  waters  of  Mississippi;  a  preliminary  report. 
Miss.  Agr.  Exp.  Sta,,  Bull.  no.  89,  112  pp.,  23  figs.,  1905. 
Loomis  (Frederic  B. ). 
1.  Die  Anatomie  und  die  Verwandschaft  der  Ganoid-  und  Knochen-fisehe  aus  der 
Kreide-formation  von  Kansas,  U.  S.  A. 
Paleontographica,  vol.  46,  pp.  213-284,  9  pis.,  1900. 
Discusses  anatomy  and  relationships  of  the  ganoid  and  teleost  fishes  from  the  Cretaceous 
strata  of  Kansas  and  gives  systematic  descriptions  of  a  considerable  number  of  forms. 
2.  On  Jurassic  stratigraphy  in  southeastern  Wyoming. 
Am.  Mus.  Nat.  Hist.,  Bull.,  vol.  14,  pp.  189-197,  2  pis.,  1901. 
Describes  the  geologic  structure  of  the  region  and  the  character  of  the  Jurassic  and  Cre- 
taceous sediment  of  the  region. 
