64 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. I49 



The distribution of the Foraminifera with depth cannot be related 

 to temperature, salinity, phosphate, nitrate, oxygen, pH, Eh, con- 

 centration of phytoplankton, or particle size of the sediment. It is 

 suggested that the f oraminif ers in the Sound are selective feeders, and 

 their distribution is related to the distribution of the material upon 

 which they feed. 



