CONTENTS 



Page 



Introduction 1 



Purpose and location 1 



Acknowledgments 1 



Previous work 2 



Oceanography 2 



Sediments 3 



Studies of Foraminif era 4 



Methods of study 4 



Field work 4 



Laboratory work 6 



Significance of a foraminiferal sample 7 



Introduction 7 



Statistical significance of species proportions 8 



Statistical significance of numbers of individuals 10 



Statistical significance of numbers of individuals as related to the wet 



volume of samples 11 



Summary of the significance of a foraminiferal sample 11 



Distribution of the Foraminif era 11 



General aspects of the fauna 11 



Distribution of the living population 13 



Size of the living population 21 



Zonation of the living population 21 



Elphidium clavatum zone 22 



Buccella frigida zone 22 



Eggerella advena zone 22 



Comparison of the number of living individuals in traverses 2 and 3 . . . 24 



Comparison of the standing crop with other areas 26 



Distribution of the total population 27 



Size of the total population 32 



Zonation of the total population 36 



Summary of the distribution of the Foraminif era 36 



Seasonal samples 38 



Introduction 38 



Seasonal variations in the living population 39 



Significance of seasonal samples 41 



Summary of seasonal samples 43 



The Foraminifera in relation to the sediments 43 



Foraminif era in short cores 43 



Particle-size analyses 44 



Significance of particle-size analyses 47 



Ratios of living to total populations in L.I.S 48 



Significance of environmental factors 50 



Paleoecologic implications 53 



Systematic catalog of species 54 



General Summary 63 



References 86 



iii 



