588 



PROCEEDINGS OF THE NATIONAL MUSEUM 



VOL. 87 



f ^p^i 



FiouEK 144.-0, Late Cretaceous lands (the southern Pacific may have been, instead or also, Eocene); 6, 

 Early Tertiary lands (after Arldt, modified). The trans-Pacific lands shown in a probably were present 

 in the Eocene. 



