200  BIBLIOGRAPHY    OF    NORTH    AMERICAN    GEOLOGY 
Knowlton  (Frank  Hall)— Continued. 
16.  Fossil  plants  from  Kukak  Bay  [Alaska] . 
Harriman  Alaska  Expedition,  vol.  4,  pp.  149-162,  12  pis.,  1904. 
17.  Fossil  floras  of  the  Yukon. 
Abstract:  Science,  new  ser.,  vol.  19,  pp.  733-734,  1904. 
18.  Fossil  plants  of  the  Judith  River  beds. 
U.  S.  Geol.  Surv.,  Bull.  no.  257,  pp.  129-155,  6  pis.,  1905. 
Knox  (Newton  Booth). 
1.  Dredging  and  valuing  dredging-ground  in  Oroville,  California. 
Can.  Mg.  Rev.,  vol.  22,  pp.  211-213,  1903. 
Contains  observations  on  the  occurrence  of  gold  in  the  placer  deposits. 
Koenig*  (George  A.). 
1.  The  crystallization  of  mohawkite,  domeykite,  and  other  similar  arsenides. 
Lake  Superior  Mg.  Inst.,  Proc,  vol.  7,  pp.  62-64  [1901?]. 
2.  On  the  new  species  melanochalcite  and  keweenawite,  with  notes  on  some  other 
known  species. 
Am.  Jour.  Sci.,  4th  ser.,  vol.  14,  pp.  404-416,  1902. 
Describes  occurrence  and  chemical  characters  of  the  material. 
Kofoid  (C.  A.). 
1.  The  plankton  of  the  Illinois  River,  1894-1899,  with  introductory  notes  upon  the 
hydrography  of  the  Illinois  River  and  its  basin.  Part  I.  Quantitative  inves- 
tigations and  general  results. 
111.  State  Lab.  Nat.  Hist.,  Bull.,  vol.  6,  pp.  95-629,  50  pis.,  1903. 
Includes  a  brief  account  of  geologic  and  hydrographic  features  of  the  Illinois  River  basin. 
Kolderup  (Carl  Fred.). 
1.  Guldforekomsterne  i  Alaska  og  tilgrsensende  stroeg.     [The  occurrence  of  gold  in 
Alaska  and  adjacent  regions.] 
Naturen,  Bergen,  vol.  25,  pp.  361-366,  2  figs.,  1901. 
2.  Nordhavets  bund  og  den  gamle  landbro  mellen  Island  og  Greenland.     [The  bot- 
tom of  the  Arctic  Ocean  and  the  old  bridge  between  Iceland  and  Greenland.] 
Naturen,  Bergen,  vol.  26,  pp.  142-146,  1902. 
3.  De.vulkanske  udbrud  i  Vestindien.     [The  volcanic  eruption  in  the  West  Indies.] 
Naturen,  Bergen,  vol.  26,  pp.  353-363,  3  figs.,  1902. 
Describes  eruptions  of  La  Soufriere  in  St.  Vineent  and  Mont  Pel6  in  Martinique. 
4.  The  rock  name  anorthosyte. 
Am.  Geol.,  vol.  31,  pp.  392-393,  1903. 
Kraus  (Edward  H.). 
1.  A  new  exposure  of  serpentine  at  Syracuse,  N.  Y. 
Am.  Geol.,  vol.  33,  pp.  330-332,  1904. 
Describes  occurrence,  character,  and  relations  to  other  dike  exposures. 
2.  The  occurrence  of  celestite  near  Syracuse,  N.  Y.,  and  its  relation  to  the  vermicular 
limestones  of  the  Salina  epoch. 
Am.  Jour.  Sci.,  4th  ser.,  vol.  18,  pp.  30-39,  4  figs.,  1904. 
3.  Some  interesting  mineral  occurrences  in  the  Salina  epoch. 
Abstract:  Science,  new  ser.,  vol.  19,  pp.  619-620,  1904. 
Describes  occurrence  of  hematite  and  celestite. 
4.  Occurrence  and  distribution  of  celestite-bearing  rocks. 
Am.  Jour.  Sci.,  4th  ser.,  vol.  19,  pp.  286-293,  5  figs.,  1905. 
Describes  the  occurrence  and  character  of  celestite-bearing  rocks,  particularly  on  Put-in-Bay 
Island,  Lake  Erie. 
5.  Celestite-bearing  rocks. 
Am.  Geol.,  vol.  35,  p.  130,  1905. 
A  brief  note  on  the  occurrence  of  celestite  and  the  origin  of  certain  limestones  and  dolomites. 
