xii CONTENTS 



CHAPTER PACIE 



XVI. The Family NUMMULINID^ 231 



XVII. The Geological Kange of the Foraminifera . . 2.51 

 XVIII. The Geographical Distribution of the Foraminifera, 



WITH EeMARKS on the ACCOMPANYING CONDITIONS OF 



Temperature, Depth, and General Environment . 278 



XIX. On THE Collection, Examination, and Mounting of 



Foraminifera 291 



XX. Chiefly Bibliographical, to facilitate Pieference 



TO the different Lines of Research . . . . 327 



INDEX 347 



