Saunders — Geology of South Bedfordshire. 



157 



these accumulations are seen to increase in depth, and contain an 

 abundance of large flints only slightly rolled, as well as dark pebbles 

 obtained from the disintegration of older conglomerates. 



The following list of fossils of South Bedfordshire, though in- 

 complete, may furnish a means of comparison with other localities : — 



Amorphozoa. 



Ventriculites decurrens . 

 „ impressus . 



Spongia ramosa 



Cephalites perforatus .... 



„ capitatus 



„ constrictus .... 

 Brachiolites racemosus.... 



„ elegans 



Anthozoa. 



Monocarya centralis 



„ cultrata 



Spinopora Dixoni 



Brtozoa. 



Petalopora pulcliella .... 



Pustulopora 



Fluslra inelegans 



ECHINODEBMATA. 



Cidaris clavigera 



„ seep trif era 



„ sulcata 



Cyphosoma Milleri 



„ variolaris .... 



Echinopsis pusillus 



Discoidea Dixoni 



Galerites 



Ananchytes 



Holaster 



Micraster 



Bourgueticrinus 



Pentacrinus 



Annxjlosa. 



Serpula annulata 



„ plexa 



Crustacea. 



(Cast of caudal extremity) 

 Brachiopoda, 



Hippurites Mortoni 



Crania striata 



Terebratula bulla 



„ sexradiata .... 

 „ striatula 



CONCHIPBSA MOKOMTARIA. 



Inoceramus Lamarckii .... 



„ involutus .... 



Lima spinosa , 



„ granosa 



Pecten jugosus , 



„ subinterstriatus . 



,, Dujardinii 



„ sequicostatus 



„ quinquecostatus ,, 

 Spondylus spinosus 



Upper Chalk 

 with fliais. 



Lower Chalk 

 without flints. 



* 





» 





# 





* 





* 





» 





» 





» 





« 





* 





* 





* 





« 





* 





* 





« 





* 





« 





* 





« 



« 



« 





* 





* 





* 





* 





» 





« 





* 





« 





• 



« 



« 





* 





« 



« 



« 

 * 



« 



* 





* 





• 





* 





♦ 





Chalk Marl, 



& Tottemhoe 



Stone 



