PAGE
Chapter I. Introductory[1]
Chapter II. The Laurentian System[7]
Notes:—Logan on Structure of Laurentian; Hunt on Life in the Laurentian; Laurentian Graphite; Western Laurentian; Metamorphism[24]
Chapter III. The History of a Discovery[35]
Notes:—Logan on Discovery of Eozoon, and on Additional Specimens[48]
Chapter IV. What is Eozoon?[59]
Notes:—Original Description; Note by Dr. Carpenter; Specimens from Long Lake; Additional Structural Facts[76]
Chapter V. Preservation of Eozoon[93]
Notes:—Hunt on Mineralogy of Eozoon; Silicified Fossils in Silurian Limestones; Minerals associated with Eozoon; Glauconites[115]
Chapter VI. Contemporaries and Successors[127]
Notes:—On Stromatoporidæ; Localities of Eozoon[165]
Chapter VII. Opponents and Objections[169]
Notes:—Objections and Replies; Hunt on Chemical Objections; Reply by Dr. Carpenter[184]
Chapter VIII. The Dawn-Animal as a Teacher in Science[207]
Appendix[235]
Index[237]

[LIST OF ILLUSTRATIONS.]

FULL PAGE ILLUSTRATIONS.

TO FACE
PAGE
I.Cape Trinity, from a Photograph ([Frontispiece])
II.Map of the Laurentian Region on the River Ottawa[7]
III.Weathered Specimen of Eozoon, from a Photograph[35]
IV.Restoration of Eozoon[59]
V.Nature-print of Eozoon[93]
VI.Canals of Eozoon, Magnified, from Photographs[127]
VII.Nature-print of Large Laminated Specimen[169]
VIII.Eozoon With Chrysotile, etc.[207]

WOODCUTS.

FIG.PAGE
1. General Section[9]
2. Laurentian Hills[11]
3. Section of Laurentian[13]
4. Laurentian Map[16]
5. Section at St. Pierre[22]
6. Sketch of Rocks at St. Pierre[22]
7. Eozoon from Burgess[36]
8, 9. Eozoon from Calumet[39]
10. Canals of Eozoon[41]
11. Nummuline Wall[43]
12. Amœba[60]
13. Actinophrys[60]
14. Entosolenia[62]
15. Biloculina[62]
16. Polystomella[62]
17. Polymorphina[63]
18. Archæospherinæ[67]
19. Nummulites[73]
20. Calcarina[73]
21. Foraminiferal Rock-builders[75]
21a. Casts of Cells of Eozoon[92]
22. Modes of Mineralization[96]
23. Silurian Organic Limestone[98]
24. Wall of Eozoon Penetrated with Canals[98]
25. Crinoid Infiltrated with Silicate[103]
26. Shell Infiltrated with Silicate[104]
27. Diagram of Proper Wall, etc.[106]
28, 29. Casts of Canals[107]
30. Eozoon from Tudor[111]
31. Acervuline Variety of Eozoon[135]
32, 33, 34. Archæospherinæ[137, 138]
35. Annelid Burrows[140]
36. Archæospherinæ[148]
37. Eozoon Bavaricum[149]
38, 39, 40. Archæocyathus[152, 153]
41. Archæocyathus (Structure of)[154]
42. Stromatopora[157]
43. Stromatopora (Structure of)[158]
44. Caunopora[159]
45. Cœnostroma[160]
46. Receptaculites[162]
47, 48. Receptaculites (Structure of)[163]
49. Laminæ of Eozoon[176]