58 



APPENDIX. 



Table IT. — Showing the relative ahmdance of the species of Cythere and its suh-genera 

 at the several localities in England, and their Bistributio7i in the Tertiary Series of 

 England and Europe. 



[Note. — Tlie numbers in the columns are proportional to the numbers of individuals collected. The asterisks indicate 

 merely the occurrence of the species, the relative abundance not being specially indicated.] 



Abbreviations. — Pleist., Pleistocene ; Plioc, Pliocene ; Mioc, Miocene ; U. E., Upper Eocene ; M. E., Middle Eocene ; 

 L. E., Lower Eocene. 



o '1 



z 5 



?= 9 



Species. ' ^ 

 g 



13 



i 5 



Eocene. 









Creta- 

 ceous. 



z 



B Upper 



» ^ g! ffi g 

 & s §5 3 5i 



o " P 1 ^ 



27 . 



M 



IDDLE. 





Lower 



Tertiary. 



w 

 a 9 



g 

 5j 



3 



> 



? 

 <; 



g 





en 



/ 

 England. 



Europe. 



England 

 and 



ECEOPE, 



Cythere (Oval forms) — 



1 . punctata, Miinst. . * • • 



2. trigonula, Jones . 







Plioc. 



Plioc. 

 L. E. 

 M.E. 

 M.E. 



M. E. 

 M.E. 



L. E. 



Pleist. 

 Plioc. 

 Plioc. 

 Plioc. 

 Plioc. 

 M. E. 



ai. E. 



M. E. 



L. E. 

 M.E. 

 M. E. 

 Plioc. 

 Plioc. 

 Plioc. 

 Plioc. 



Plioc. 

 L. E. 



M.E. 



Plioc. 



M. E. 

 L. E. 



r Plioc. 

 l&Mioc. 



M.E. 

 Mioc. 



M. E. 



C Mioc, 

 \ U. E., 

 (.&M.E. 



M E. 



M. E. 



;U. E.? 

 l&M.E. 

 rU. E.& 

 I M.E. 

 M. E. 



* 



97 































5 







A. Wetherellii, Jones . . ■ ■ ■ ■ 

 5. striato-punctata, Roem. . ■ • ■ ■ 

 C. consobrina, Jones . . ■ ■ ■ ■ 





. 10 1 

 . . . 300 



2 



50 





1 

 1 





(Oblong forms.) 

































280 



















1 1 . laqueata, Jo7ies . 



1 4 



















6 



















13. lacunosa, Jones ■ • * ■ ■ 



fi 

























1 

 1 



5 







Q 















IG. plicata, Miinst'. . . ■ • . 





.50 12 



1 















1 









18. Angulatopora, Reuss. .... 





. 5 .. 









20. Trachypora, Jones ■ * , 



21. sphserulolineata, Jones .... 



22. retit'astigata, Jones . - • . 



Cythekeis — 



1 . senili.s, Jo7ies . . ? . 



? 00 



















3 



















3 . 



















, 































5 











f; 











4. Ceratoptera, Bosq. . .. . 



5. conuita, Roem. 



1 . . 







3 





; 











1 



6. spec, indeterm. . ... 

























