70 CHELONIA. 



Genus NOTOCHELONE, Lydekker 1 . 

 Syn. Notochelys, Owen 2 . 



A provisional genus probably allied to Lytoloma. The hyo- and 

 hypoplastrals completely anchylosed. 



Notochelone costata (Owen 3 ). 



Syn. Notochelys costata, Owen 4 . 



The type and only described species. 

 Hah. Australia (Queensland). 



R. 77. Cast of the imperfect shell with some of the bones of the 

 pectoral girdle and limbs. The original, which is the type, 

 was obtained from the Cretaceous of the Flinder's River, 

 Queensland, and is preserved in the Museum at Sydney ; 

 it is figured by Owen in the 4 Quart. Journ. Geol. Soc' 

 vol. xxxviii. pp. 170, 192. Made in the Museum, 1881. 



It is uncertain whether the following specimen is referable to the 

 Chelonidse or to the Athecata. 



39115. Fragment of Chalk exhibiting the outer surface of a some- 

 (Fig.) what imperfect ridged bony plate ; from the Chalk of Kent. 



Figured by Owen in his ' Cretaceous Reptilia ' (Mon. Pal. 



Soc), pt. i. pi. vii. a. fig. 8, as a marginal of Chelone. 



Boiverbank Collection. Purchased, 1865. 



The following specimens are probably referable to an existing 

 species of this family. 



R. 594. Ten specimens of Chelonian eggs embedded in an oolitic 

 matrix ; from beds in Tasmania which are probably of 

 Postpliocene age. Presented by J. Abrahams, Esq., 1885. 



1 Geol. Mag. dec. iii. vol. vi. p. 325 (1889). 



2 Quart. Journ. Geol. Soc. vol. xxxviii. p. 178 (1882). — Preoccupied by Gray, 

 1863, 3 hoc cit. — Notocheli/s. 4 Loc. cit. 



