PRESTWICH — WOOLWICH AND READING SERIES. 155 



Notes on some Miscellaneous Fossils from the "Woolwich and 

 Reading Series." 



CoRBULA Arnouldii, Nyst, Pl. II. fig. 3. 



Described, but not figured, by M. Nyst in his " Descr. des Coquilles 

 fossiles des Terr. Tert. de la Belgique," p. Q7. This is a not un- 

 common shell in the Lignites of Rilly in Champagne. The French 

 specimens in my possession are rather larger than the Enghsh spe- 

 cies ; and, further, as these latter are merely casts, they can only be 

 referred with a doubt to this foreign species. From Oakwells, near 

 Boughton. 



Cyrena intermedia, Melleville. Pl. II. figs. 10, 11. 



Melleville, in his " Mem. sur les Sables Tert. Inf. du Bassin de 

 Paris," figures and describes a Cyrena from Chalons-sur-Vesle, which, 

 although rather larger, bears a close resemblance to a small and ele- 

 gant shell common in the upper beds at and around Woolwich. The 

 specimen here figured is referred with a doubt to this French species, 

 which latter appears from the figure to be slightly more rounded. 



Ampullaria (Natica) subdepressa, Morris. Pl. II. fig. 16. 



In my paper on the Thanet Sands, Mr. Morris briefly described a 

 new species of Ampullaria under the above specific appellation ; but 

 it was not figured, owing to the imperfect condition of the specimen. 

 Having better specimens from the Woolwich series and also from the 

 Basement-bed of the London Clay, the shell in question is here 

 figured. (For description, see Quart. Jouru. Geol. Soc. vol. viii. 

 p. 267t-) Richborough. 



Patella. Pl. II. fig. 24. 



This is a single specimen foimd attached to a fragment of an 

 Oyster at Sundridge Park by Mr. Lunn. It does not seem to agree 

 with any of the French patelHform shells ; but, owing to the want of 

 the exterior shell, no exact specific determination can be made. 



Dentalixjm. Pl. II. fig. 25. 



In the memoir on the " Thanet Sands" (Quart. Journ. Geol. Soc. 

 vol. viii. p. 248), the Dentalium, apparently the same species as this, 

 was considered to be the D. nitens. This determination, however, 

 seems to me to be very doubtful. I should rather refer this species 

 from Heme Bay to an un described form from the " Lower Tertiary 

 Sands " of Beauvais. The specimens are too imperfect for exact de- 

 termination. 



t In a paper by M. Watelet on the " Sables Tertiaires des environs de Sois- 

 sons " (Soc. Hist. Archeol. et Scient. de Soissons, 1853), which I have just received, 

 is a fossil bearing a very close resemblance to this English species figured : it is, 

 however, in a much better state of preservation. M. Watelet has named it Na- 

 tica infundibulum. — [J. P,, Jun., January 1854.] 



VOL. X. part I. M 



