Plesiosaurians in the Cretaceous of Brazil. 315 



nicridge Clay of Dorsetshire provisionally assigned by Mr. 

 Lydekker to Iihamj)horltijnc)ius Manseli*. The second 

 specimen is also of the same character, but evidently pertains 

 to a slightly larger animal. At present, however, the evidence 



Fig. 1 . — Dorsal aspect of left propodial bone (? humerusj of a Plesio- 

 sauvian, two thirds uat. t^ize. 1 a. View of proximal end, with 

 tuberosity {t). 1 b, c. Transverse sections. 



Fig. 2. — Articular portion of left quadrate bone of a Pterosaurian, postero- 

 internal aspect, ? nat. size. 2 a. Upper view (fractured surface). 

 2 b. Articular end. 



Both specimens from the Upper Cretaceous of Bahia, Brazil ; in the 

 British Museum. 



is insufficient for the determination either of the genus or 

 species ; and for this purpose further discoveries must be 

 awaited. 



One of the specimens was found between Plataforma and 



* Quart. Jomu. Geol. Sue. vol. xlvii. (1891) p. 41, pi. v. figs. 3, 4. 



21* 



