55 



Specifically undetermined specimens. 



a. A left humerus ; from the Lias of Street. 



b. Six dorsal vertebrae, cemented together by matrix; from 

 Barrow. 



PLESIOSAURUS, sp. 

 a. An imperfect late cervical vertebral centrum; from the 

 Ehsetic of " Old Passage " near Bristol. This specimen is larger 

 and shorter than the vertebra? from the same locality provisionally 

 referred to P. bitractensis in ' Cat. Foss. Eept. Brit. Mus., ' pt. II, 

 p. 283, but has the same general character. The length is 1. 6, 

 height 2. 7, width about 3. 5, inches. Presented by Lord Enniskillen, 



ORDER CHELONIA. 



FAMILY TRIONYCHID.^. 

 a. A series of fragments of skulls referable to several members 

 of the family ; from the Siwalik Hills, India. 



FAMILY CHELONID^. 



CHE LONE HOFFMANN!. 

 Gray, Syn. Kept., p. 64 (1831). 

 a. A costal bone in matrix; from the Upper Cretaceous of 

 Maastricht, Holland. 



GENUS, non. det. 

 a. Middle part of the carapace of a young specimen ; from the 

 London Clay. 



FAMILY TESTUDINID^. 

 TESTUDO VOSMCERI. 

 Fitzinger, N. Class. Eept,. p. 44 (1826). 

 T. rodericensis, Gunther, Ann. Mag. N. H. (4) vol. XI, 

 p. 397 (1873). 



a. A series of imperfect skulls and bones ; from the superficial 

 deposits of Rodriquez. Transit of Venus Expedition. 



