LIST OF PLATES. 
PAlRT I. 
Page. 
Plate I. Primordial period. 32-43 
II. Primordial period . 38-47 
III. Canadian period. 51-60 
IV. Trenton period... 62-77 
V. Subcarboniferous period. 79-94 
VI. Carboniferous period . 96-104 
VII. Carboniferous period. 105-113 
VIII. Carboniferous period. 109-120 
IX. Carboniferous period.. 121-131 
X. Carboniferous period . 124-143 
XI. Carboniferous period. . 134-154 
XII. Carboniferous period .. 146-160 
XIII. Jurassic period. 162-182 
XIV. Cretaceous period. 171-172 
XV. Cretaceous period. 169-205 
XVI. Cretaceous period . ... . 177-181 
XVII. Cretaceous period. 171-188 
XVIII. Cretaceous period. 183-198 
XIX. Cretaceous period.. 199-203 
XX. Cretaceous period... 202 
XXI. Tertiary and Tertiary ? . 206-215 
PAlKT II. 
XXIT. Triassic fossils. 9-29 
XXIII. Triassic, Cretaceous, and Eocene fossils. 27-38 
XXIV. Eocene Pisces and Testudinata. 41-52 
XXV. Eocene Testudinata. . - 44-51 
XXVI. Eocene Testudinata. 44-45 
XXVII. Eocene Testudinata. . 53-7 
XXVIII. Eocene Testudinata. 53-7 
XXIX. Eocene Crocodilia. 60 
XXX. Eocene Crocodilia. 63 . 
XXXI. Eocene Crbcbdilia. 64 
