CONTENTS PAGE 



Introduction 175 



Generalized section at Trilobite mountain 179 



General description of horizons 1 79 



References to detailed discussion 193 



Comparison with similar horizons in other regions 194 



Conclusions 201 



Detailed discussion of the strata and faunas of the various 



formations at Trilobite mountain 204 



Discussion of individual species 235 



Table showing distribution according to horizons 262 



Bibliography 269 



