FOR    THE    YEARS    1901-1905,   INCLUSIVE.  53 
Buffet  (Edward  P.). 
I.  Some  glacial  conditions  and  recent  changes  on  Long  Island  [New  York], 
Jour.  Geog..  vol.  2,  pp.  95-101,  6  figs.,  1903. 
Describes  physiographic  features  and  the  occurrence  of  drift  bowlders. 
Burchard  ( Ernest  F. ) . 
1.  Lignites  of  the  middle  and  upper  Missouri  Valley. 
U.  S.  Geol.  Surv.,  Bull.  no.  225,  pp.  276-288,  1904. 
Describes  prospecting  for  coal  in  northeastern  Nebraska,  the  character  and  occurrence  of  lig- 
nite seams  and  the  character  of  the  lignite;  also  the  occurrence  and  character  of  the  lignite 
of  North  Dakota. 
2.  Geology  of  Dakota  County,  Nebraska,  with  special  reference  to  the  lignite  deposits. 
Sioux  City  Acad.  Sci.  and  Letters,  vol.  1,  pp.  135-184,  8  figs.,  1904. 
Describes  the  physiography  and  drainage  features,  the  character  and  occurrence  of  Creta- 
ceous and  Quarternary  deposits,  the  geologic  history,  the  economic  resources,  and  the 
occurrence  and  character  of  lignite  not  of  workable  quality. 
3.  Iron  ores  in  the  Brookwood  quadrangle,  Alabama. 
U.  S.  Geol.  Surv.,  Bull.  no.  260,  pp.  321-334,  1905. 
Describes  the  development  of  the  iron  industry  of  Alabama,  the  distribution  of  the  ore-bearing 
formations  in  the  Brookwood  quadrangle,  and  the  character,  o>  ourrence,  and  relationships 
of  the  iron  ores. 
Burckhardt  (Carlos). 
1.  Les  masses  eruptives  intrusives  et  la  formation  des  montagnes. 
Soc.  Cient.  "Ant.  Alzate,"  Mem.  y  Rev.,  t.  21,  pp.  5-8,  1  fig.,  1904. 
Discusses  the  part  played  by  intrusives  in  the  formation  of  mountains. 
Burckhardt  (Carlos)  and  Scalia  (Salvador). 
1.  La  fauna  marine  du  Trias  Superieur  de  Zacatecas  [Mexique]. 
Mexico,  Inst.  Geol.,  Bull.  no.  21,  44  pp.,  8  pis.,  1905. 
Bureau  (Ed.). 
1.  Sur  une  collection  de  vegetaux  fossUes  des  Etats-Unis. 
Mus.  d'Hist.  Nat.,  Paris,  Bull.,  t.  9,  pp.  250-251,  1903. 
Gives  a  brief  account  of  a  collection  of  fossil  Cretaceous  plants  from  Kansas  and  Colorado. 
Burgess  (John  D. ). 
1.  Secondary  enrichment. 
Eng.  &  Mg.  Jour.,  vol.  76,  p.  153,  1903. 
2.  Recent  discoveries  in  Arizona. 
Eng.  &  Mg.  Jour.,  vol.  76,  p.  936,  1903. 
Describes  geologic  structure  in  the  region  of  the  Santa  Catalina  Mountains,  and  the  discovery 
of  gold  ores. 
Burk  (W.  E.). 
1.  The  fluorspar  mines  of  western  Kentucky  and  southern  Illinois. 
Min.  Ind.  for  1900,  pp.  293-295,  1901. 
Describes  the  general  geology  of  the  region  and  the  occurrence  of  the  fluorspar  deposits. 
2.  Asphalt  rock  in  Kentucky. 
Eng.  &  Mg.  Jour.,  vol.  75,  pp.  969-970,  1  fig.,  1903. 
Describes  the  occurrence  and  character  of  the  rock  producing  asphalt. 
Burns  (David). 
1.  On  the  phenomena  accompanying  the  volcanic  eruptions  in  the  West  Indies. 
Brit.  Assoc.  Adv.  Sci.,  Rept.  73d  meeting,  pp.  567-568,  1904. 
Burr  (Henry  T.). 
1.  The  structural  relations  of  the  amygdaloidal  melaphyr  in  Brookline,  Newton,  and 
Brighton,  Mass. 
Harvard  Coll.,  Mus.  Comp.  Zool.,  Bull.,  vol.  38,  pp.  53-68,  2  pis.,  3  figs.,  1901.    Abstract:   Am. 
Geol.,  vol.  27,  p.  319,  1901;  Am.  Jour.  Sci.,  4th  ser.,  vol.  12,  pp.  80-81,  1901. 
Discusses  the  evidence  for  the  intrusive  character  of  the  melaphyr. 
