594  PRE-CAMBRIAN   GEOLOGY   OF    NORTH   AMERICA. 
34  The  terranes  of  Orange  County,  Vt,  by  C.  H.  Richardson.  Rept.  State 
geologist  on  the  mineral  industries  and  geology  of  certain  areas  of  Vermont, 
1901-2,  pp.  61-101. 
35  The  a  real  and  economic  geology  of  northeastern  Vermont,  by  C.  H.  Rich- 
ardson.    Rept.  Vermont  State  geologist  for  1905-6,  pp.  63-115. 
36  Remarks  on  the  geology  and  mineralogy  of  a  section  of  Massachusetts  on 
Connecticut  River,  with  a  part  of  New  Hampshire  and  Vermont,  by  Edward 
Hitchcock.  Am.  Jour.  ScL,  1st  ser.,  vol.  1,  1818,  pp.  105-116,  436-439,  with  a 
map. 
37  Sketch  of  the  mineralogy  and  geology  of  the  vicinity  of  Williams  College, 
Williamstown,  Mass.,  by  Prof.  Chester  Dewey.  Idem,  vol.  1,  1818,  pp.  337-346, 
with  a  map. 
38  Geological  section  from  Taconick  Range,  in  Williamstown,  to  the  city  of 
Troy  on  the  Hudson,  by  Prof.  Chester  Dewey.     Idem,  vol.  2,  1820,  pp.  246-248. 
39A  sketch  of  the  geology,  mineralogy,  and  scenery  of  the  regions  contiguous  to 
the  River  Connecticut ;  with  a  geological  map  and  drawings  of  organic  remains, 
and  occasional  botanical  notices,   by   Rev.   Edward   Hitchcock.     Idem,   vol.  6, 
1823,  pp.  1-86,  201-236;  vol.  7,  1823,  pp.  1-30. 
40A  sketch  of  the  geology  and  mineralogy  of  the  western  part  of  Massachusetts 
and  a  small  part  of  the  adjoining  States,  by  Prof.  Chester  Dewey.     Idem,  vol.  8, 
1824,  pp.  1-60,  240-244,  with  map. 
41  Notices  of  the  lead  mines  and  veins  of  Hampshire  County,  Mass.,  and  of  the 
geology  and  mineralogy  of  that  region,  by  Alanson  Nash.  Idem,  vol.  12,  1827, 
pp.  238-270,  with  a  map. 
"Report  on  the  geology,  mineralogy,  botany,  and  zoology  of  Massachusetts, 
by  Edward  Hitchcock,  1833,  pp.  xii,  702,  with  atlas.  See  also  Report  on  the 
geology  of  Massachusetts,  examined  under  the  direction  of  the  government  of 
that  State,  during  the  years  1830  and  1831.  Am.  Jour.  Sci.,  1st  ser.,  vol.  22, 
1832,  pp.  1-70,  with  a  geological  map.  Report  on  a  reexamination  of  the 
economical  geology  of  Massachusetts,  183S,  pp.  139.  Section  from  Boston  to 
the  west  line  of  Pla infield.  A  geological  and  agricultural  survey  of  the  district 
adjoining  the  Erie  Canal,  Albany,  1824,  pp.  158-163,  with  a  plate. 
43  Final  report  on  the  geology  of  Massachusetts,  by  Edward  Hitchcock,  1841, 
2  vols.,  pp.  831,  with  maps  and  plates. 
44  On  the  probable  age  and  origin  of  a  bed  of  plumbago  and  anthracite  occur- 
ring in  mica  schist  near  Worcester,  Mass.,  by  C.  Lyell.  Quart.  Jour.  Geol.  Soc, 
London,  vol.  1,  1845,  pp.  199-202. 
45  Proofs  of  the  Protozoic  age  of  some  of  the  altered  rocks  of  eastern  Massa- 
chusetts, from  fossils  recently  discovered,  by  W.  B.  Rogers.  Proc.  Am.  Acad., 
vol.  3,  1857,  pp.  315-318. 
40  Geological  section  from  Greenfield  to  Charlemon't,  Mass.,  by  C.  H.  Hitch- 
cock.    Proc.  Boston  Soc.  Nat.  Hist.,  vol.  6,  1859,  pp.  330-332. 
47  The  geology  of  Marblehead,  by  J.  J.  II.  Gregory.  Proc.  Essex  Inst.,  vol.  2, 
1862,  pp.  306-311. 
48  Section  of  rocks  at  base  of  the  South  Mountain  emery  bed  of  Chester, 
Mass.,  by  C.  T.  Jackson.     Proc.  Boston  Soc.  Nat.  Hist.,  vol.  10,  1866,  p.  86. 
49  On  the  relation  of  the  rocks  in  the  vicinity  of  Boston,  by  N.  S.  Shaler. 
Idem,  vol.  13,  1871,  pp.  172-177. 
50  On  the  relation  of  some  of  the  rocks  of  the  Boston  basin,  by  C.  T.  Jackson. 
Idem,  pp.  177-178. 
51  On  the  quartzite,  limestone,  and  assocrated  rocks  in  the  vicinity  of  Great 
Barrington,  Berkshire  County,  Mass.,  by  James  D.  Dana.  Am.  Jour.  Sci.,  3d 
ser.,  vol.  4,  1872,  pp.  362-370,  450^53;  vol.  5,  1873,  pp.  47-53,  84-91;  vol.  6, 
1873,  pp.  257-278,  with  map. 
