CENSUS OF FORAMINIFERA. 



Ttible 77'.— coDtinued. 



361 



The Lower Tertiaries, which have yielded such a profusion of 

 moUusca under the zealous researches of Professor Ralph Tate, 

 have proved relatively quite as rich in their foramini feral fauna. 

 Of the 187 species in the above Table, no less than 164 species are 

 recorded from the extremely rich beds of Muddy Creek. It is 

 somewhat remarkable that a considerable number of the new 

 species of the Challenger expedition are found fossil in the 

 Lower Tertiaries of Avistralia. So far as the foraminifera can be 

 taken as indicative of bathymetrical and climatic conditions in 



* See obseivanons under MiicUly Cieek, No. 1. 



