SUMMARY   OF   GENERAL  LITERATURE.  105 
12  Summary   report   of  the   operations  of  the  geological    corps   to   December, 
1880,  by  A.  R.  C.  Selwyn.  Kept.  Prog.  Geol.  and  Nat.  Hist.  Survey  Canada  for 
1879-80,  1881,  pp.  1-9. 
13  Notes  on  the  geology  of  the  southeastern  portion  of  the  Province  of  Quebec, 
by  A.  R.  C.  Selwyn.  Kept.  Prog.  Geol.  and  Nat.  Hist.  Survey  Canada  for  1880- 
1882,  1883,  pp.  1-7a. 
14  Descriptive  sketch  of  the  physical  geography  and  geology  of  the  Dominion  of 
Canada,  by  A.  R.  C.  Selwyn  and  G.  M.  Dawson,  1884,  pp.  55. 
15  The  Azoic  system  and  its  proposed  subdivisions,  by  J.  D.  Whitney  and  M.  E. 
Wadsworth  Bull.  Mus.  Comp.  Zool.  Harvard  Coll.,  whole  series,  vol.  7 
(geological  series,  vol.  1),  1884,  pp.  565. 
16  The  anorthosite  rocks  of  Canada,  by  Frank  D.  Adams.  Kept.  Brit.  Assoc. 
Adv.  Sci.,  50th  meeting,  1886-87,  pp.  666-667. 
17  On  the  Eozoic  and  Paleozoic  rocks  of  the  Atlantic  coast  of  Canada,  in  com- 
parison with  those  of  western  Europe  and  of  the  interior  of  America,  by  J. 
William  Dawson.  Quart.  Jour.  Geol.  Soc,  London,  vol.  44,  1888,  pp.  797-817 ; 
see  also  Proc.   Geol.   Soc,   London,  vol.  45,   1889,   p.   80. 
18  On  the  classification  of  the  early  Cambrian  and  pre-Cambrian  formations, 
by  Poland  Duer  Irving.  Seventh  Ann.  Rept.  U.  S.  Geol.  Survey  (1885-86),  1888, 
pp.  365-454,  with  22  plates  and  maps. 
19  Les  schistes  cristallins,  by  T.  Sterry  Flunt.  International  Geol.  Cong., 
London,  1888,  pp.  1-15.  From  translation  by  Robert  Stein.  See  also  On  the 
geology  of  Canada  :  Proc.  Am.  Assoc.  Adv.  Sci.,  1849,  2d  meeting,  pp.  325-334. 
On  the  Taconic  system  :  Idem,  1850,  4th  meeting,  pp.  202-204.  On  some  of  the 
crystalline  limestones  of  North  America  :  Am.  Jour.  Sci.,  2d  ser.,  vol.  18,  1854, 
pp.  193-200.  On  the  Taconic  system  of  Dr.  Emmons :  Idem,  vol.  32,  1861,  pp. 
427-430.  On  some  points  in  American  geology :  Idem,  vol.  31,  1861,  pp.  392-414. 
On  the  chemical  and  mineralogical  relations  of  metamorphic  rocks :  Can.  Nat. 
and  Geol.,  vol.  8,  1863,  pp.  195-208.  On  the  mineralogy  of  certain  organic 
remains  from  the  Laurentian  rocks  of  Canada  :  Quart.  Jour.  Geol.  Soc,  Lon- 
don, vol.  21,  18(55,  pp.  67-71.  On  the  geology  and  mineralogy  of  the  Laurentian 
limestones:  Rept.  Prog.  Geol.  Survey  Canada  for  1863-1866,  pp.  181-229.  On 
the  Laurentian  limestones  and  their  mineralogy :  Proc  Am.  Assoc.  Adv.  Sci., 
1866,  15th  meeting,  pp.  54-57.  On  Laurentian  rocks  in  eastern  Massachusetts  : 
Am.  Jour.  Sci.,  2d  ser.,  vol.  49,  1870,  pp.  75-78,  398.  On  norite  or  labradorite 
rock :  Idem,  pp.  1S0-186.  Notes  on  granitic  rocks :  Idem,  3d  ser.,  vol.  1,  1871, 
pp.  82-89,  182-185 ;  vol.  3,  1871,  pp.  115-125.  Geognosy  of  the  Appalachians  and 
the  origin  of  crystalline  rocks:  Proc  Am.  Assoc.  Adv.  Sci.,  1871,  20th  meeting, 
pp.  1-59.  Remarks  on  the  late  criticisms  of  Professor  Dana :  Am.  Jour.  Sci., 
3d  ser.,  vol.  4,  1872,  pp.  41-52.  Geology  of  southern  New  Brunswick :  Proc.  Am. 
Assoc  Adv.  Sci.,  1874,  22d  meeting,  pp.  116-117.  Breaks  in  the  American  Paleo- 
zoic series:  Idem,  pp.  117-119.  On  the  history  of  the  crystalline  stratified 
rocks :  Idem,  1877,  25th  meeting,  pp.  205-208.  The  older  rocks  of  western  North 
America:  Idem,  1878,  26th  meeting,  pp.  265-266.  Azoic  rocks,  part  1:  Second 
Geol.  Survey  Pennsylvania,  vol.  e,  pp.  253.  On  the  geology  of  the  Eozoic  rocks 
of  North  America :  Proc.  Boston  Soc.  Nat.  Hist.,  vol.  19,  1878,  pp.  275-279 
(abstract).     The  pre-Cambrian  rocks  of  the  British   Islands:   Idem,   vol.  20. 
1881,  pp.  140-141.  The  history  of  some  pre-Cambrian  rocks  in  America  and 
Europe:  Proc.  Am.  Assoc.  Adv.  Sci.,  2Sth  meeting,  1880,  pp.  279-296:  Quart. 
Jour.  Geol.  Soc,  London,  vol.  38,  1881,  pp.  4-5,  proceedings.  The  Taconic 
system  in  geologv  :  Am.  Naturalist,  vol.  15,  1881.  pp.  494-496.  The  geology  of 
Lake  Superior:  Science,  vol.  1,  1883,  p.  218.     Notes  on  Professor  Hall's  address: 
