FOSSILS FROM THE SCARBOROUGH CORNBRASH. 



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fc 8 ,«VV$KVS« ATICUlAvi 



Exogyra mima, B. Charm mima, P. 

 Gryph^a bullata, P. 

 Ostrea Marshii, S. 



spatiosa, B. 



Meadii, S. 



granulata, B. c toiatel«fpo t tfi , nvmpe t iB! 



In Dr Murray's cabinet Our specimen of this beautiful 



oyster is from the Bath oolite. , ivd 



Ostrea. A small, thick, oval species. 

 Anomia ineequalis, B. Ostrea inaqualis, P. 



duriuscula, B. Ostrea duriuscula, P. 



semistriata, B. (New sp, fig. 21). 



Shell oval, convex, thick, with numerous longitu- 

 dinal, undulated stria, only visible towards the 

 margin. Beak pointed, but not terminal. — 

 Length, 1 in. breadth, $ in f| Baem i ^ 



In looking over a great number of speci- 

 mens of the fossils which we have placed in 

 this genus, only one of what may be the low- 

 er valve has been met with. It is perforated, 

 and has the appearance of the under valve of an Anomia, but 

 it is very thin and fragile, and may possibly have been broken 

 by accident. <! ^Lmt A ^ JJUOU c 



Order III.— Brachiopoda, 



Terebratula soctalis, P. g »Kun<5.iv— 

 digona, S. 



var. S. 



omithocephalus, S, 

 subrotunda, S. 

 ovoides, P. 



( I ? J>Ww» ADA A 



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This is not the Ter. ovoides of Sowerby, but a common 

 shell in the shale that covers the cornbrash on the north shore. 

 Good specimens are rarely met with, but the beak of the 

 larger valve is always very perfect, prominent, and incurved, 

 which gives the shell a fanciful resemblance to a bird's head. 



MOLLUSC A. 



Order I. — Gasteropoda. 



Bulla undulata, B. (New sp. fig. 22). 



Shell oval, approaching to globular, longitudi- 

 nally wrinkled or undulated. Aperture large, 

 comprising nearly the whole shell, but much 

 wider at the lower than the upper part. Apex 

 umbilicated. Length, 1^ in. breadth, 1 in. 



Mr. G. B. Sowerby in his * Genera of Re- 

 cent and Fossil Shells,' says, — " Fossil spe- 

 cies are only to be distinguished in the ter- 

 tiary beds and in the green sand." For 

 once we must differ from him, at the same 



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