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ON POMATIAS SARMERI, n.sp., FEOM THE PLIOCENE (EED 

 CRAG) OF LITTLE OAKLEY, ESSEX. 



By A. S. Eennaed, F.a.S. 



Mead 16th April, 1909. 

 PoMATiAS Haemeei, n.sp. 



Shell conical, somewhat solid, with numerous close-set spiral ridges, 

 periphery rounded ; whorls 4^, rapidly enlarging, very tumid ; spire 

 produced, apex obtuse and smooth ; suture very deep ; mouth circular, 

 slightly angulated above ; umbilicus narrow ; operculum unknown. 

 Height 10, breadth 8 mm. 



This interesting shell was found by Mr. F. W. Harmer, F.G.S., in 

 the Red Crag of Little Oakley, Essex, which he considers the upper 

 part of the "Waltonian. He has kindly placed it in my hands for 

 description, and I have great pleasure in associating it with his name 

 as a slight recognition of his lifelong work in the Pliocene and 

 Pleistocene beds of East Anglia. 



At first sight it bears a considerable resemblance to Fomatias elegans, 

 but on carefully comparing the sculpture differences are at once seen. 

 The sculpture of Fomatias elegans is reticulate, the spiral ridges 

 being connected by numerous striae. This reticulate sculpture is to 

 be found in nearly all the European species of Fomatias. In 

 F. Harmeri the spiral ridges are rather coarser than in elegans, and 

 the striae are absent. It must be pointed out that the example of 



