MEGALOSATTRID^. 163 



R. 413. A median metatarsal ; from the Great Oolite of Sarsgrove, 

 Sarsden, Chipping Norton, Wiltshire. 



Presented by the Earl of Ducie, 1884. 



40125 a. An imperfect lateral metatarsal ; probably from Stonesfield, 

 although labelled Purbeck. Purchased. About 1850. 



31932. A phalangeal; from Stonesfield. Purchased. About 1850. 



Megalosaurus, sp. a. 



The affinities of the Middle Jurassic species are not yet deter- 

 mined. 



Hab. Europe (France). 



32724. The centrum and arch of a dorsal vertebra probably belong- 

 ing to this genus ; from the ' Argile de Dives ' (Oxford 

 Clay) of Vaches-Noires (Calvados), Prance. 



Tesson Collection. Purchased, 1857. 



Megalosaurus insignis, Deslongchamps \ 



Of very large size ; the teeth very wide, with the serrations on the 

 anterior border usually extending more than two thirds the entire 

 length of the border, and the serrations themselves very bold. 



Typically from the Kimeridgian and Portlandian. 



Hab. Europe (Prance and England). 



35553 a. The crown of a small tooth, with the greater part of the 

 outer coat scaled off ; from the Portlandian of Mngle, near 

 Boulogne, Prance. Presented by Dr. T. Davidson, 1859. 



46388. The summit of the crown of a very large tooth ; from the 

 Kimeridge Clay of Poxhangers, Devizes, Wiltshire. This 

 specimen is almost identical with the corresponding part 

 of the tooth figured by Sauvage in the ' Mem. Soc. Geol. 

 France/ ser. 2, vol. x. pi. v. fig. 1. 



Cunnington Collection. Purchased, 1876. 



Megalosaurus dunkeri, Koken 2 . 



The teeth comparatively narrow, with the serrations on the ante- 

 rior border extending to about half the length of the crown, and the 

 serrations themselves slight and worn away at an early age on the 



1 In Lennier's ' Etudes Geologiques et Paleontologiques BUT l'Enibouchure 

 de la Seine, &c.' p. 35 (1870). 



2 Pal. Abhandl. vol. iii. p. 316 (1887). 



m2 



