FOR    THE    YEARS    1901-1905,   INCLUSIVE.  41 
BOg-gild  (O.  B.)— Continued. 
2.  On  some  minerals  from  the  nephehte-syenite  at  Julianehaab,  Greenland  (erikite 
and  schizolite). 
Meddelelser  om  Gronland,  vol.  26,  pp.  93-139,  19  figs.,  1903;  Copenhagen  Univ.,  Min.  and  Geol. 
Mns.,  Contr.  to  Min.,  no.  2,  1903. 
Describes  occurrence,  constitution,  crystallography,  and  properties  of  erikite,  a  new  mineral, 
and  schizolite  from  Greenland. 
3.  Samples  of  the  sea-floor  along  the  coast  of  east  Greenland  74^-70  N.  L. 
Meddelelser  om  Gronland,  vol.  28,  pp.  17-95,  8  pis.,  1904;  Copenhagen  Univ.,  Min.  &'Geol. 
Mus.,  Contr.  to  Min.,  no.  3,  1903. 
Describes  the  kind  and  origin  of  the  material  deposited  on  the  sea  bottom  east  of  Greenland 
4.  The  minerals  from  the  basalt  of  east  Greenland 
Meddelelser  om  Gronland,  vol.  28,  pp.  99-129, 11  figs.,  1905;  Min.  and  Geol.  Mus.,  Univ.,  Copen- 
hagen, Contr.  to  Min.,  no.  5,  1905. 
Describes  occurrence  and  crystallographic  and  other  characters. 
5.  Mineralogia  Groenlandica. 
Min.  &  Geol.  Mus.  of  the  Univ.,  Copenhagen,  Contr.  to  Min.,  no.  6  (Meddelelser  om  Green- 
land, vol.  32),  xix,  625  pp.,  119  figs.,  1905. 
Gives  a  full  account  of  the  minerals  that  have  been  found  in  Greenland,  including  a  descrip- 
tion of  each  species.     [In  Danish. J 
Boggild  (O.  B.)  and  Winther  (Chr.). 
1.  On  some  minerals  from  the  nephelite-syenite  at  Julianehaab,  Greenland  (episto- 
lite,  britholite,  schizolite,  and  sleenstrupite),  collected  by  G.  Flink. 
Meddelelser  om  Greenland,  vol.  24,  pp.  181-213,  7  figs.,  1901. 
Bolton  (L.  L  ). 
1.   Round  Lake  to  Abitibi  River  [Ontario]. 
Ontario  Bur.  Mines  [12th]  Rept.,  pp.  173-190,  1903. 
Contains  observations  on  the  geography,  geology,  petrology,  and  resources  of  the  region, 
traversed. 
Boltwood  (Bertram  B  ). 
1.  On  the  ultimate  disintegration  products  of  the  radio-active  elements. 
Am.  Jour.  Sci.,  4th  ser.,  vol.  20,  pp.  253-267,  1905. 
Includes  notes  on  the  occurrence  and  composition  of  various  minerals  in  which  radio-activity 
has  been  discovered. 
Bond  (Josiah). 
1.  Copper  leaching  at  the  American  copper  mine. 
N.  J.  Geol.  Surv.,  Ann.  Kept,  for  1901,  pp.  153-161,  1902. 
Describes  experiments  made  upon  copper  ores  to  determine  methods  of  extracting  copper. 
Bonney  (T.  G.). 
1.  On  a  sodalite  syenite  (ditroite)  from  Ice  River  Valley,  Canadian  Rocky  Mountains. 
Geol.  Mag.,  dec.  iv,  vol.  9,  pp.  199-206,  1902. 
Describes  mode  of  occurrence  and  gives  chemical  analysis  of  this  mineral. 
2.  The   Canadian    Rockies.     Part   II:   On   some   rock   specimens   collected  by   E. 
Whymper,  esq.,  F.  R.  S.  E.,  in  the  Canadian  Rocky  Mountains. 
Geol.  Mag.,  dec.  iv,  vol.  9,  pp.  544-550,  1902. 
3.  Notes  on  specimens  collected  by  Professor  Collie,  F.  R.  S. ,  in  the  Canadian  Rocky 
Mountains. 
Geol.  Mag.,  new  ser.,  dec.  iv,  vol.  10,  pp.  289-297,  1  pi.,  1  fig.,  1903. 
Discusses  occurrence  and  character  of  rock  specimens  from  Canadian  localities. 
4.  Note  on  rock  specimens  from  the  Canadian  Rocky  Mountains. 
Geog.  Jour.,  vol.  31,  pp.  498-499,  1903. 
5.  March  dust  from  the  Soufriere. 
Nature,  vol.  67,  p.  584,  1903. 
Describes  character  of  volcanic  dust  from  an  eruption  of  the  Soufriere  of  St.  Vincent. 
