FOSSIL AND RECENT 



175 



E 

 E 



CJ 





G 





O 





-O 





<D 





.c 









'-P 





cti 









13 





ft 









>> 



-a 







co 





C 



+-> 



0) 



£ 



.1 



b£ 









S 



CD 



ft 





CO 





'> 



£ 



"c3 



a 



l-C 



c 



pq 



CD 

 > 



t-, 



_fl 



> 



CD 



T) 



CO 





C(H 



O 



O 



d 





<u 



CO 



A 



CD 

 4J 



ft 



co 



'to 





 ft 



ft 



5 

 









-P 





*4H 





CD 

 h-1 



CD 









> 



"ST 



2 



a 



Q 



3 

 S 



to 



g 



"*■» - 









"8 -S 



e 5 



60 



CO 



+-> 



00 •*-( 



£' 









00 







