LIST OF ILLUSTRATIONS

FIG.		PAGE
	Cryptozoon Boreale	[Frontispiece]
	Map	[xvi]
1.	Olenellus	[20]
2.	Triarthrus	[23]
3.	Hymenocaris	[27]
4.	Ctenichnites	[32]
5, 6.	Archæocyathus	[35]
7, 8.	Cryptozoon	[37], [39]
9.	Fossils in Lower Cambrian Boulder	[41]
10.	Section Hanford Brook	[51]
11.	Worm Tracks	[53]
12.	Pre-Cambrian Fossils	[54]
13.	Arenicolites and Aspidella	[54]
14.	Cryptozoon	[56]
15.	Worm Burrows	[67]
16.	Casts of Foraminifera	[68]
17.	Tudor Eozoon	[69]
18.	Laurentian America	[85]
19.	Map of Grenville Limestones	[88]
19A.	Attitude of Limestone, Côte St. Pierre	[91]
20, 21.	Disturbed Beds	[103]
22.	Section of Limestone	[113]
23.	Silicification of Coral	[113]
24.	Cast of Polystomella in Glauconite	[115]
24A.	Crinoid and Shell in Glauconite	[116]
25.	Nature-print of Eozoon	[121]
26, 27.	Eozoon from Calumet	[130]
28, 29.	Canals of Eozoon	[133]
30, 31.	Canals and Tubuli	[135]
32.	General Form of Eozoon	[149]
33, 34.	Eozoon with Funnels	[152], [153]
35.	Small Specimen and Structure	[155]
36.	Decalcified Eozoon	[157]
37.	Finest Tubuli filled with Dolomite	[158]
38.	Arrangement of Canals	[159]
39-41.	Finest Tubuli	[160-2]
42.	Canals after Möbius	[163]
43.	Stromatocerium	[172]
44.	Stromatopora	[173]
45.	Cœnostroma	[174]
46.	Recent Protozoa	[176]
47.	Fragmental Eozoon	[183]
48, 49.	Nummulites and Calcarina	[186]
50, 51.	Archæospherinæ	[190], [200]
52.	Acervuline Eozoon	[205]
53, 54.	Archæospherinæ	[205], [208]
55.	Ditto, Finland	[212]
56.	Eozoon Bavaricum	[213]
57.	Archæozoon	[215]
58.	Restoration of Eozoon	[230]
59.	Eozoon in Different States	[237]
60.	Nature-print of Large Specimen	To face [296]

Click on map to view larger sized

Walker & Boutall SCt

Grenville Series on the Ottawa River (17 miles to an inch).
From Logan's Original Map of 1865.

THE CHAIN OF LIFE TRACED BACKWARD
IN GEOLOGICAL TIME

GEOLOGICAL CHRONOLOGY OF LIFE.

After Prof. C. A. White.

Note.—It is not supposed that the Geological Periods were of equal lengths, as represented in the diagram.

ERRATA.

Where Cryptozoon prolificum occurs in the text, read Cryptozoon proliferum.

[Transcriber Note: Errata Corrections HAVE BEEN applied to text!]