240 THE BATH OOLITE PERIOD. CHAP. 



BRACHIOPODA. 



Ehynchonella concinna. Sow. G. 0. Kirtlington. F. M. Islip. C. B. Islip. 

 Morieri. Dav. C. B. Islip. 



obsoleta. Sow. G. 0. Northleigh Cutting. 

 Terebratula cardium. Lam. F. M. Islip. C. B. Tslip. 



digona. Sow. G. 0. Kirtlington. F. M. Islip. 



globata. Sow. G. O. Northleigh Cutting. 



heroisphaerica. Sow. C. B. Islip. 



intermedia. Sow. C. B. Islip, Kidlington, Bladon. 



maxillata. Sow. G. 0. Northleigh, Kirtlington. F. M. Islip. 

 obovata. Sow. C. B. Islip, Kidlington, Bicester. 



Terebratula maxillata is the most prevalent form in the Great 

 oolite, T. obovata in the cornbrash. Ehynchonella concinna goes 

 through the whole group. 



MONOMYARIA. 



Avicula echinata. Soio. C. B. Islip, Kirtlington, Kidlington, Bicester. 

 Gervillia acuta. Sow. G. 0. Northleigh Cutting, Kirtlington. F. M. Islip. 



C.B. Islip. 

 crassicosta. M. and L. G. O. Kirtlington. 



Islipensis. Lye. G.O. Northleigh. C.B. Islip. 

 monotis. Desl. G. 0. Kirtlington. 



ovata. Sow. G.O. Kirtlington. C.B. Islip. 

 Lima cardiiformis. Sow. G. 0. Northleigh. F. M. Islip. C. B. Islip. 



duplicata. Sow. G. O. Northleigh, Kirtlington. F. M. Islip. C. B. Islip. 

 gibbosa. Sow. C.B. Islip. 

 impressa. M . and L. F. M. Islip. C. B. Islip. 

 Ostrea acuminata. Sow. G. O. Northleigh Cutting. C. B. Islip. 

 gregarea. Sow. G. O. Northleigh, Kirtlington. 

 Sowerbii. G. O. Northleigh, Kirtlington. 

 subrugulosa. G. 0. Northleigh, Kirtlington. 



Pecten annulatus. Sow. G. 0. Kirtlington. F. M. Islip. C. B. Islip. 

 arcuatus. Sow. G. O. Kirtlington. F. M. Islip. C. B. Islip. 

 divaricatus. n. s. F. M. Islip. 

 fibrosus. Sow. G. 0. Northleigh. 

 hemicostatus. M. and L. C. B. Islip, Kidlington. 

 lens. Sow. G.O. Northleigh. F.M. Islip. C.B. Islip. 

 personatus. Goldf. F. M. Islip. C. B. Islip. 

 rigidus. Sow. F. M. Islip. C. B. Kidlington. 

 vagans. Sow. G. O. Northleigh. C. B. Islip. 

 Perna rugosa. M . and L. G. O. Northleigh. 



Placunopsis socialis. G. 0. Northleigh, Kirtlington. F. M. Islip. C. B. Islip. 

 Pteroperna costatula. M. and L. G. 0. Kirtlington. 



emarginata. G. 0. Kirtlington. F. M. Islip. 



In this list a general reduction of the number of species may 

 be remarked as compared to the inferior oolite, with an agreement 



