THE CAMBRIDGE GAULT AND GREENS AND. 



313 



List of Fossils (continued). 



Chalk-marl Fauna. 



o 



Hi 



1 



G> 

 ft 

 ft 



o r^ 



H3 



ftrt 



I—, <U 



1 

 .a m 



p 



is 



Chalk-marl 

 , and 

 Grey Chalk. 



Cidaris Faujasii, Desor. 













*? 

 * 



Bowerbankii, Forbes. 



Salenia Woodwardi, Seeley. 











* 



Echinocyphus impressus, Seeley. 

 Goniophorus lunatus, Ag., var. 



Annulata. 



















# 



* 



ACTINOZOA. 









Onchotrochus Carteri, Dune. 



Spongida, 

 Chenendopora, sp. 

 Brachiolites digitatus, T. Smith 









* 











EXPLANATION OF PLATES. 

 Plate XIV. 

 Figs. 1, 2. Scaphites Meriani, Pict. & Camp.: fig. 1 is intermediate between So. 

 Meriani and Sc. Hugardianus, D'Orb. From the Woodwardian 

 Museum *. 



3. Scaphites Meriani, var. simplex^ nobis. 



4, 5. Fusus Smithii, Sow. Phosphate casts. 



6. . Specimen from the Gault of Folkestone, retaining the 



shell, in the Museum of the Geological Society. 

 7-9. Trochus Tollotianus, Pict. & Boux. Phosphate casts. 

 10, 11. Littorina (?) crebricostata, Seeley. Casts. 



12, 13. Crepidula gaultina, Buy. : 13 a is the profile of fig. 12 ; 13 b is a 

 more elevated form in the possession of Mr. F. A. Buxton, B. A., Trinity 

 College. 

 14. Trochocyathus conulus, Edw. & Haime, showing epitheca and base of 

 attachment. 



15. , showing costated wall ; in the possession of Mr. C. T. Clough, 



B.A., St. John's College. 



16. . Section showing columella and synapticulse ; from my own 



collection. 



Plate XV. 

 Figs. 1, 2. Isoarca Agassizii, Pict. & Eoux. Cast of full-grown individual. 



3. . Cast of young form. 



4, 5. Nucula bivirgata, Sow. Phosphate casts from Cambridge. 



6. . Unique specimen in the Woodwardian Museum, exhi- 

 biting the shell in a phosphatic condition. 



7, 8. . Shell and phosphate cast from the Gault of Folkestone ; 



in my own collection. 



* All the following fossils are in the Woodwardian Museum, except where it 

 is otherwise stated. My thanks are due to Prof. Hughes for kindly allowing me 

 to have them figured. 



