82 FOSSIL ECHINI FROM THE TERTIARY 



their identity with Maretia is subject to some doubt by the 

 imperfect state of preservation. There is a distinct fasciolo 

 suhanalis. 



Those fossils described by Herklots , which are not men- 

 tioned above , are in such a bad state of preservation , that 

 not even a generical diagnosis , much less a specific deter- 

 mination is possible, and so I feel obliged to leave them 

 unnoticed, as they have no further value for the tertiary 

 fauna of Java and its connection with the recent fauna of 

 the Indian Ocean. 



Our present knowledge of the fossil Echini of Java may 

 be shown by Table I. 



This table clearly shows , that , also with respect to the 

 Echini , the recent fauna of the Indian Ocean may be traced 

 up to the tertiary strata of Java [1 have elsewhere attempted 

 to prove this for Mollusca, Crustacea and Corals]. And fur- 

 ther, that these tertiary strata , the age of which I am not 

 yet able to fix with certainty, contain no fossils, which 

 have also been found in extr atropical tertiary deposits, 

 so that even in the tertiary period the separation of the 

 tropical oceanic fauna appears to have been quite as dis- 

 tinct as we find it in the present day. 



In comparison to the other classes of invertebrate ani- 

 mals the percentage of the Echini found simultaneously in 

 the tertiary strata of Java and yet living in the seas of these 

 regions is considerable (See Table II). 



NB. The localities indicated with [ ] in the fourth column 

 of Table I are the same for those fossils , which follow in the 

 fifth column among the nearly allied forms ; as for the pre- 

 sent it is not possible to decide , wether they are actually iden- 

 tical with the corresponding Javanese fossils. 



Not^M trom the Leydeu M.ii^*euiii , Vol. U. 



