34 



SYNOPTICAL TABLE. 





j] 



Unglish Cretaceous. 



Foreign Cretaceous. 



Tertiary. 1 





iNrRA- 

 CIIETA- 

 UEULS. 



TABLE 



Species. 





o 

 -a 



P 



ho 



_c 



s 

 c 



e 



a: 

 "(3 



"3 

 o 



c 

 c ' 



CD 

 O 



a 



O 



c 

 o 



Chalk. 



11 



s 



<u 



.a 

 o 

 M 



Inf. Greensanf] 1 France. 

 Hils-clay| North Germany.^ 



c 

 o 



o 



.2 



c 

 o 



c 

 PS 



9 



&, 



t3 



C 



o 



OJ 



E 



1 

 S 



o 



3 

 o 



SHOWING THE PER 

 CP.NTAGE OP THE 

 t-PKCIES IN THE 



Chalk, Detritus, 



AND GAULT. 



Xo. 



1 

 2 



3 



4 



5 



6 



7 



8 



9 



10 



11 



12 



13 



14 



15 



16 



17 



IS 



19 



20 



21 



22 



25 



24 



2f 



2( 





o 



Id 



i 



o 







.a 

 O 



a. 



o 

 1^ 



13 

 o 



E 



13 

 O 





up 





Cythere Hilseana . 



C. punctatula . . 



C. umbonata . . 



C. Faba .... 



C. Bairdiana . . . 



Cythereis interrupta 



C. Gaultina . . . 



C. macrophthalma . 



C. triplicata . 



C. quadrilatera . 



C. Lonsdaleiaua 



C. cornuta . . . 



C. ciliata . . . 



1 



C. alata .... 



I 



Bairdia subdeltoidea 



1 



B. Siliqua . . . 



B. Harrisiana . 



B. angusta . . . 



,B. triquetra . . . 



B. Silicula . . . 



|Cytherella ovata 



,C, truncata . . . 



. C. Williamsoniana 



,C. appendiculata . 



jC. Mantelliana . . 



i.e. Bosquetiana . 



+ 

 + 



+ 



+ 

 + 

 + 

 + 

 + 

 + 

 + 

 + 

 -1- 



+ 

 + 



+ 

 + 

 + 



+ 



+ 

 + 

 + 

 + 



+ 



+ 

 + 



+ 

 + 

 + 

 + 

 + 

 + 

 + 



+ 

 + 

 + 

 + 



+ 



+ 



+ 

 + 



+ 







+ 



+ 



+ 

 + 

 + 



+ 

 + 



+ 

 + 



+ 

 + 



+ 



+ 



+ 

 + 



+ 



+ 



i ■ ' 



+ 



+ 

 + 



+ 



+ 

 + 



+ 

 + 



+ 



+ 

 + 



+ 



+ 

 + 

 + 



+ 

 + 



+ 

 + 



+ 



+ 

 + 



+ 



+ 

 + 



+ 



+ 



+ 



+ 

 + 



+ 

 + 



+ 

 + 



+ 



+ 



+ 



+ 



+ 



+ 

 + 



+ 







+ 

 + 



+ 

 + 



+ 



+ 



+ 

 + 

 + 

 + 



+ 



+ 

 + 



+ 

 + 



1-8 

 2-5 



•75 



•35 

 •75 



2- 



4^ 



3V 

 PS 



27- 

 4^ 

 •75 

 •1 

 •35 



38^5 

 3- 

 9-5 



•1 



6- 



rs 



1^5 



•1 



•5 



2- 

 7-5 



2-5 



13^ 



•1 



2\- 



Vb 



5-5 



•1 



•1 



26- 

 ?• 

 3-5 



■1 

 •1 



14^5 

 2- 



5^ 

 •5 



2^ 

 41-5 

 •1 



20^5 



1-5 



8- 

 2- 



2- 

 •1 



— 

 j 



