Eastman: Jurassic Saurian Remains Within Fish. 187 



article form part of a representative and extremelj important collec- 

 tion of fossil remains, both vertebrate and invertebrate, from the 

 Lithographic Stone (Lower Kimmeridgian) of southeastern France 

 and Bavaria. The whole of this superb collection was purchased some 

 eighl years ago from Baron Ernst de Bayet of Brussels by Mr. Andrew 

 Carnegie, and generously presented by him to the institution founded 

 l>\ him in Pittsburgh. 



EXPLANATION OF PLATES. 



Plate X. 



nostomus tenuirostris Agassiz jitv. Lithographic Stone; Cerin (Ain), France. 

 Head and anterior portion of the trunk of an immature individual apparently 

 belonging to this species, within the abdominal cavity of which is contained the 

 skeleton of a small Rhynchocephalian reptile, probably Homceosanrus. The prey 

 has been swallowed by the fish headforemost. The head, anterior limbs, and 

 greater part of the vertebral column of the contained reptile are very clearly shown. 

 Car. Mus. Cat. No. 40S0. X \. 



Plate XI. 

 Oeonoscopus elon gains, sp. nov. Lithographic Stone; Cerin (Ain), France. Holo- 

 type, preserved in counterpart, showing an imperfectly preserved Rhynchocephalian 

 skeleton within the abdominal cavity. Car. Mus. Cat. No. 4079. X f. 



