undoubtedly Mesozoic, but tbere is nothing in tbe microzoa de- 

 tailed above tbat throws any ligbt upon their exact geological age. 



o 



H 



C2 S 

 Co 



*^ I 



^ 



B 



?3 



P? 



a' 



CQo 03© 

 i=. r! S W 



t?dt? 





a 



I 



ia2 



2.5-0 



& f^ trtfS P 

 >^ tr" as B 03 



III 



, P. F. TO 

 •^ 23 M 



tr'P B 





& p cr 



5 ?-" 



•r 



§ a,- 



Su • ■ I 



o 2. a> 



SB trt- Cij 

 S- P P 

 P - - 



<J Q W 



g § era" 



B S ® 



S. =3 ^ 



B^ 5" 5* 



g p p 



sr csr m p 



1 s- B 



B o tr^2 



O O >-< ii:. '• 



"=♦ «> P tr" 



i^ ro B so 



hH^ » 2 



o - ^ g 



^?^ B-S 



o 



p 



O P i* 

 ^ - -^ a.P 



p Su 



P 2 so H4, 



I § B g 



— ' P io g «■ 



g ^ § ■ ' • 



ffi » M 



9S 9 

 c- S" p* ' 

 • B 





ta 



QQ 



g g g 



W » g h^ H 



•^ g g 



P. Pala?ozoic 

 11. Mesozoic 

 T. Tertiary 

 R. Recent 



