SOME SALIENT POINTS

IN THE

SCIENCE OF THE EARTH

BY

Sir J. William Dawson
C.M.G., LL.D., F.R.S.,  F.G.S., etc.

1893


499 + 10 pages


This electronic edition prepared by Dr. David C. Bossard
from original documents in his personal library.

April, 2007

Copyright © 2007 by David C. Bossard.




CONTENTS.

Frontispiece - Cape Trinity on the Saguenay. i

Dedication ii

Titlepage  iii  iv

Preface  v  vi

Contents vii  viii

Illustrations ix  x

Table of Geological History xi

CHAPTER I: The Starting Point.  003  004  005  006  007  008

CHAPTER II: World-Making. 009  010  011  012  013  014  015  016  017  018  019  020  021  022  023  024  025  026  027  028  029

CHAPTER III: The Imperfection of the Geological Record.   039  040  041  042  043  044  045  046  047  048  049  050  051  052  053  054  055  056

CHAPTER IV: The History of the North Atlantic. 057  058  059  060  061  062  063  064  065  066  067  068  069  070  071  072  073  074  075  076  077  078  079  080  081  082  083  084  085  086  087  088  089  090  091  092  093  094

CHAPTER V:  The Dawn of Life. 095  096  097  098  099  100  101  102  103  104  105  106  107  108  109  110  111  112  113  114  115  116  117  118  119  120  121  122  123  124  125  126  127  128  129  130  131  132  133  134

CHAPTER VI:  What May Be Learned from Eozoon. 135  136  137  138  139  140  141  142  143  144  145  146  147  148  149  150  151  152  153  154  155  156  157  158  159  160  161  162  163  164  165  166  167  168 

CHAPTER VII: The Apparition and Succession of Animal Forms.  169  170  171  172  173  174  175  176  177  178  179  180  181  182  183  184  185  186  187  188  189  190  191  192  193  194  195  196  197  198  199  200

CHAPTER VIII: The Ggenesis and Migration of Plants 201  202  203  204  205  206  207  208  209  210  211  212  213  214  215  216  217  218  219  220  221  222  223  224  225  226  227  228  229  230  231  232

CHAPTER IX:  The Growth of Coal. 233  234  235  236  237  238  239  240  241  242  243  244  245  246  247  248  249  250  251  252  253  254  255  256

CHAPTER X: The Oldest Air-Breathers. 257  258  259  260  261  262  263  264  265  266  267  268  269  270  271  272  273  274  275  276  277  278  279  280  281  282  283  284  285  286  287  288  289  290  291  292  293  294  295  296  297  298  299  300  301  302  303  304  305  306  307  308  309  310

CHAPTER XI:  Markings, Footprints and Fucoids. 311  312  313  314  315  316  317  318  319  320  321  322  323  324  325  326  327  328

CHAPTER XII:  Pre-Determination in Nature. 329  330  331  332  333  334  335  336  337  338  339  340  341  342  343  344

CHAPTER XIII:  The Great Ice Age 345  346  347  348  349  350  351  352  353  354  355  356  357  358  359  360  361  362  363  364  365  366  367  368  369  370  371  372  373  374  375  376  377  378  379  380  381  382

CHAPTER XIV:  Causes of Climatal Change. 383  384  385  386  387  388  389  390  391  392  393  394  395  396  397  398  399  400

CHAPTER XV: The Distribution of Animals and Plants as Related to Geographical and Geological Changes.  401  402  403  404  405  406  407  408  409  410  411  412  413  414  415  416  417  418  419  420  421  422  423  424

CHAPTER XVI:  Alpine and Arctic Plants in Connection with Geological History. 425  426  427  428  429  430  431  432  433  434  435  436  437  438  439  440  441  442  443  444  445  446  447  448  449  450  451  452  453  454  455  456  457  458

CHAPTER XVII:  Early Man. 459  460  461  462  463  464  465  466  467  468  469  470  471  472  473  474  475  476  477  478  479  480

CHAPTER XVIII:  Man In Nature. 481  482  483  484  485  486  487  488  489  490  491  492  493  494  495  496

INDEX OF PRINCIPAL TOPICS 497  498  499





PLATES

NOTE: High Resolution (400 ppi) images of all figures and plates are located here.

Descriptions of the Plates: xvii-xviii


page
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FRONTISPIECE



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036


Cambro-Silurian Sponges (Restored).
Quebec Group, Little Metis, Canada (p. 47)

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056


Map of the North Atlantic,
Showing depths from 4000 fathoms upwards
(after the Challenger Surveys)

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094


Nature-Print of Eozoon.

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113


Details of Eozoon

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134


Specimen of Eozoon Canadense [Dawson]

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168


Old Forms of Trilobites
Lower Cambrian

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184


Two Primitive Vertebrates

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200


Vegetation of the Middle Devonian

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232


Part of a Coal Group with underclays
and erect trees and Calamites (p. 238)

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260


Footprints of Hylopus Logani, Dawson,
Lower Carboniferous, Nova Scotia

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272


Humerus and Mandibles of
Dendrerpeton Acadianum

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276


A Reptiliferous Tree in situ,
South Joggins Nova Scotia

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278


A Typical Carboniferous Microsaurian

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286


A Serpentiform Permian Batrachian

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289


Carboniferous Land Snails;
A Devonian Land Snail

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294


Carboniferous millipedes
Carboniferous Cockroach
Carboniferous Scorpion.

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322


Probably the Cast of a Crustacean burrow.

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336


A Giant Net-Sponge
From the Quebec Group (Ordovician)

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344


Modern Boulder Beach

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382


North America in Periods of
Warm and Cold Submergence.

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400


Distribution of Animals in Time (p. 420)

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480


Carving of the Palanthropic Age
Cave of Mas d'Azil, France
Heads of the wild horse.

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