EASTERN    TOWNSHIPS   OF   QUEBEC.  489 
All  these  rocks,  together  with  associated  Paleozoics,  were  included 
in  the  Quebec  group  of  Logan  and  Murray  and  believed  to  be  of  sedi- 
mentary origin. 
NOTES. 
1  The  metamorphic  rocks  of  the  Notre  Dame  Mountains,  by  Alexander  Murray. 
Rept.  Prog.  Geol.  Survey  Canada,  1845-46,  pp.  111-114. 
2  Report  of  progress  of  the  Geological  Survey  of  Canada  from  its  commence- 
ment to  1863,  by  W.  E.  Logan,  pp.  983,  with  an  atlas. 
3  Report  of  observations  on  the  stratigraphy  of  the  Quebec  group  and  the  older 
crystalline  rocks  of  Canada,  by  A.  R.  C.  Selwyn.  Rept.  Prog.  Geol.  Survey 
Canada,  1877-78,  pp.  1-15a. 
4  Notes  on  the  geology  of  the  southeastern  portion  of  the  Province  of  Quebec, 
by  A.  R.  C.  Selwyn.  Rept.  Prog.  Geol.  and  Nat.  Hist.  Survey  Canada,  1880-1882, 
pp.  1-7a. 
5  The  Quebec  group  in  geology,  with  an  introductory  address,  by  A.  R.  C.  Sel- 
wyn.    Proc.  and  Trans.  Roy.  Soc.  Canada,  1882-83,  vol.  1,  sec  .4.  1882,  pp.  1-13. 
,;  Report  on  the  geology  of  a  portion  of  the  Eastern  Townships  of  Quebec,  re- 
lating more  especially  to  the  counties  of  Compton,  Stanstead,  Beauce,  Richmond, 
and  Wolfe,  by  R.  W.  Ells.  Rept.  Prog.  Geol.  and  Nat.  Hist.  Survey  Canada,  1886, 
new  ser.,  vol.  2,  pp.  1-70j,  with  a  colored  geological  map. 
7  Idem,  footnotes,  pp.  23j,  29j,  36j. 
8  Second  report  on  the  geology  of  a  portion  of  the  Province  of  Quebec,  by 
R.  W.  Ells.  Ann.  Rept.  Geol.  and  Nat.  Hist.  Survey  Canada,  1887-88,  new  ser., 
vol.  3,  pt.  2,  pp.  1-1  20k. 
0  Personal  communication. 
10  Report  on  a  portion  of  the  Province  of  Quebec,  comprised  in  the  southwest 
sheet  of  the  "Eastern  Townships"  map  (Montreal  sheet),  by  R.  W.  Ells.  Ann. 
Rept.  Geol.  Survey  Canada,  1894,  vol  7,  pt.  J,  1896,  pp.  1-92. 
11 A  petrographical  contribution  to  the  geology  of  the  Eastern  Townships  of  the 
Province  of  Quebec,  by  John  A.  Dresser.  Am.  Jour.  Sci.,  4th  ser.,  vol.  14,  1902, 
pp.  43-48. 
See  also  The  copper-bearing  rocks  of  the  Eastern  Townships,  Quebec.  Sum- 
mary Rept.  Geol.  Survey  Canada,  1903,  vol.  15,  pt.  aa.  1904.  pp.  146-149,  with 
sketch  map.  A  study  in  the  metamorphic  rocks  of  the  St.  Francis  Valley,  Que- 
bec. Am.  Jour.  Sci.,   1th  ser.,  vol.  21,  1906,  pp.  07-70. 
