150 SAUEOPTERIGIA. 



R. 1381. One longitudinal half of the humerus or femur of a me- 



(Ficj.) dium-sized form, with the inner surface cut and polished; 



from the Kimeridge Clay of Ely. This specimen is figured 



in the woodcut on the preceding page, and shows the two 



epiphyses almost meeting in the middle of the shaft. 



No history. 



R. 1381 a. The proximal half of a larger humerus or femur, longitu- 

 dinally bisected ; from the Kimeridge Clay of Ely. The 

 contour of the proximal epiphysis is well displayed. 



No history. 



46912. The proximal portion of a still larger humerus or femur, 

 longitudinally bisected; from Shotover. The whole of 

 the proximal epiphysis is displayed, of which the terminal 



Kg. 47. 



Sauropterygian mandibles.— A. Peloneustes philarchus ; from the Oxford Clay. 

 \. B. Thaitmatosaurus indicus; from the Upper Jurassic of India. }. 

 0. Pksiosaimcs dolichodirus ; from the Lower Lias. f. (From the 'Kec. 

 Geol. Surv. Ind.') 



