PRESTWICH BRITISH AND FOREIGN TERTIARIES. 121 



Table (^continued). 



Mollusca of the Barton Clay. 



Pleurotoma prisca, Sow. 



rostrata, 5oit? 



semicolon, Sow. .. 



co\o\\, Sow 



turrella, Desk 



Pyramidella 



Pyrula Greenwood!, Sow 



(Murex, Brand.) nexilis, Lam. 



Ringicula parva, Charlesw. 

 turgida, Charlesw. 



Rissoa F5artonensis, Charlesw. . 

 Rost€llaria ampla, Brand. (R. macro- 

 ptera, Lam. ; Strombus, Brand.) 



Comptoni, Edw 



(Murex, Brand,) rimosa, Sow ' 



Rotella (Helicina, Desh.) dubia, Lam. 

 minuta. Sow 



Scalaria acuta, Sow = 



interrupta. Sow 



reticulata, Br. (semicostata, Sow.) 



tenuilamella, Desh 



undosa. Sow. 



Sigaretus canaliculatus, Sow. 

 Solarium canaliculatum, Lam. 



discoideum. Sow , 



distinctum, Edw. ? 



plicatum. Lam , 



spiratum. Lam. 



Strombus Bartonensis, Sow. (ornatus,!).) 



Terebellura fusiforme, Lam , 



sopita, Brand. (Bulla, Brand. ; Se- 

 raphs convolutus, Montf.) 



Terebra plicatula, Lam 



Triton (Murex, Brand.) argutus, Sow.... 



Trochus (Phorus) agglutinans, Lam. ... 



monilifer. Lam. (T. nodulosus, Br.) 



patellatus, Desh. ? 



Turritella brevis, Soio 



(Turbo, Brand.) imbricataria. Lam. 



(T. conoidea, elongata, edita, Sow.) 



Typhis (Murex, Lam.) fistulosus, Sow.... 



pungens (Murex, Br. ; M. tubifer, 



Lam.) 



Voluta (Strombus, Brand.) ambigua, Sol. 



Range of species. 



London area. 



A. 



B. 



* 



Paris area. 



* 



* 



* 



Belgian 

 area. 



D. 



E. 



