FORAMINIFERA 131 



case of those noticed under the heading, c Atlantic 

 Ooze.' The globigerina there described form one of 



Fig. 38. Foraminifera. Greatly enlarged. 



the many classes of marine rhizopods, and are in 

 reality a group of Foraminifera. 



Though generally too minute to be distinguished 

 by the naked eye, the Foraminifera are readily 

 detected with a good pocket-lens. 



