648  PRE-CAMBRIAN    GEOLOGY    OF    NORTH   AMERICA. 
15  Notes  on  the  lithology  of  the  Adirondacks,  by  Albert  R.  Leeds.  Thirtieth 
Ann.  Rept.  on  New  York  State  Mus.  Nat.  Hist.,  by  regents  of  Univ.  New  York, 
Albany,  1878,  pp.  79-109. 
10  The  geology  of  Port  Henry,  N.  Y.,  by  T.  Sterry  Hunt.  Canadian  Naturalist, 
2d  ser.,  vol.  10,  18S3,  pp.  420^22. 
17  Laurentian  magnetic  iron-ore  deposits  from  northern  New  York,  by  Charles 
E.  Hall.     Rept.  State  Geologist  for  1884,  1885,  pp.  23-24,  with  a  geological  map 
of  Essex  County. 
18  On  a  schistose  series  of  crystalline  rocks  in  the  Adirondacks,  by  N.  L. 
Britton.     Trans.  New  York  Acad.  Sci.,  vol  5,  1886,  p.  72. 
19  On  the  Adirondack  region,  by  A.  A.  Julien.     Idem,  p.  72. 
20  Based  on  unpublished  field  notes  of  C.  R.  Van  Hise,  made  on  trip  with 
R.  Pumpelly  and  C.  D.  Walcott  in  the  summer  of  1890. 
21  Based  on  unpublished  field  notes  of  C.  R.  Van  Hise,  made  on  trip  with 
George  H.  Williams  in  the  summer  of  1890. 
22  A  geological  reconnaissance  in  the  vicinity  of  Gouverneur,  by  C.  H.  Smyth, 
jr.     Trans.  New  York  Acad.  Sci.,  vol.  12,  1893,  pp.  97-108. 
23  Petrography  of  the  gneisses  of  the  town  of  Gouverneur,  N.  Y.,  by  C.  H. 
Smyth,  jr.  Contr.  Geol.  Dept.  Columbia  College.  Trans.  New  York  Acad.  Sci., 
vol.  12,  1893,  pp.  203-217. 
24  Notes  on  some  of  the  iron-bearing  rocks  of  the  Adirondack  Mountains,  by 
F.  L.  Nason.    Am.  Geologist,  vol.  12,  No.  1,  1893,  pp.  25-31. 
25  The  trap  dikes  of  the  Lake  Champlain  region,  by  J.  F.  Kemp  and  F.  V. 
Marsters.     Bull.  U.  S.  Geol.  Survey  No.  107,  1893,  with  map. 
26  Geology  of  Clinton  County,  N  Y.  (preliminary),  by  H.  P.  Cushing.  Thir- 
teenth Ann.  Rept.  State  Geologist  (for  1893),  published  in  Forty-seventh  Ann. 
Rept.  New  York  State  Museum  (for  1893),  1894,  pp.  667-683. 
27  A  group  of  diabase  dikes  among  the  Thousand  Islands,  St.  Lawrence  River, 
by  C.  H.  Smyth,  jr.    Trans.  New  York  Acad.  Sci.,  vol.  13,  1894,  pp.  209-214. 
28  The  geology  of  Essex  and  Willsboro  townships,  Essex  County,  N.  Y.,  by 
T.  G.  White.     Idem,  pp.  214-233,  Pis.  VI,  VII. 
29  Gabbros  on  the  western  shore  of  Lake  Champlain,  by  J.  F.  Kemp.  Bull. 
Geol.  Soc.  America,  vol.  5,  1894,  pp.  213-224. 
30  Gabbros  in  the  southwestern  Adirondack  region,  by  C.  H.  Smyth,  jr.  Am. 
Jour.  Sci.,  3d  ser.,  vol.  48,  1894,  pp.  54-80. 
31  Geology  of  Essex  County  (preliminary),  by  J.  F.  Kemp.  Thirteenth  Ann. 
Rept.  State  Geologist  (for  1893),  published  in  Forty-seventh  Ann.  Rept.  New 
York  State  Museum  (for  1893),  1894,  pp.  625-666.  See  also  The  geology  of 
Moriah  and  Westport  townships,  Essex  County,  N.  Y.  Bull.  New  York  State 
Museum  No.  14,  published  in  Forty-eighth  Ann.  Rept.  New  York  State  Museum 
(for  1894),  vol.  1,  1895,  pp.  323-355  (2d  paging),  with  a  geological  map. 
32  Crystalline  limestones  and  associated  rocks  of  the  northwestern  Adirondack 
region,  by  C.  H.  Smyth,  jr.     Bull.  Geol.  Soc.  America,  vol.  6,  1895,  pp.  263-284. 
33  The  titaniferous  iron  ores  of  the  Adirondacks,  by  J.  F.  Kemp.  Bull.  Geol. 
Soc.  America,  vol.  7,  1895,  p.  15  (abstract). 
34  Crystalline  limestones,  ophicalcites,  and  associated  schists  of  the  eastern 
Adirondacks,  by  J.  F.  Kemp.    Bull.  Geol.  Soc.  America,  vol.  6,  1895,  pp.  241-262. 
35  A  preliminary  description  of  the  faulted  region  of  Herkimer,  Fulton,  Mont- 
gomery, and  Saratoga  counties,  by  N.  H.  Darton.  Fourteenth  Ann.  Rept.  New 
York  State  Geologist  (for  1894),  published  in  Forty-eighth  Ann.  Rept.  New 
York  State  Museum  (for  1894),  vol.  2,  1895,  pp.  31-53,  with  a  geological  map. 
36  On  the  existence  of  pre-Cambrian  and  post-Ordovician  trap  dikes  in  the 
Adirondacks,  by  H.  P.  Cushing.  Trans.  New  York  Acad.  Sci.,  vol.  15,  1896,  pp. 
248-252. 
