iv 



SYNOPSIS OF CONTENTS. 



PAGB 



C. Post-glacial Period : 



T. Early Post-glacial . . , . .95 



IT. Middle Post-glacial . . . . .95 



III. Final Post-glacial — the termination of the Period being marked by 



the most recent elevation of the land . . ,95 



Previous notices of Ostracoda from Scotch Post-tertiary Beds . . 96 



§ V. The Post-tertiary Ostracoda . . . . . .96 



Relationships between Glacial Fauna of Scotland, the Recent British Fauna, and 

 the Glacial Fauna of Norway and Canada, established by Ostracoda as well 

 as MoUusca . . . . . . .97 



§ VI. English, Irish, and Welsh Post-tertiary Deposits examined for Ostracoda. 100 



1. Carrickfergus . . . . . . 100 



2. Portrush . . . . . .101 



3. Belfast . . . . . . .102 



4. Bridlington ...... 103 



5. Hopton Cliff . . . . . .103 



6. Hornsea ...... 104 



7. Cardiff . . . . . .105 



8. Liverpool . . . . . . 106 



9. Branston Fen ...... 107 



10. Whittlesea . . . , . .108 



11. Chester . . . . . .108 



§ VII. Classification of the Ostracoda ..... 109 



§ VIII. Distribution op the Post-tertiary Ostracoda : 



1. Freshwater and Marine Species . . . .117 



, 2. Arctic Species in Norway, Scotland, and America . .118 



3. Post-tertiary, extinct . . . . .119 



4. Glacial and Post-glacial of Norway .... 119 



5. Glacial of Canada . . . i . . 120 



Bibliography ....... 121 



§ IX. Description of Species ...... 123 



I. Family : Cypridae ...... 123 



1. Genus: Cypris ...... 123 



2. ,, Cypridopsis ..... 128 



3. „ Potamocypris ..... 129 



4. ,, Paracypris . . . . .130 



5. Aglaia . . . . . . 131 



