38 CHELONTA. 



peri (?) ; and also in Dixon's ' Geology of Sussex,' pi. 

 xxxix. figs. 5, 6. The marginals are of the short type 

 characteristic of C. benstedi. Purchased, 1878. 



49922. Fragment of chalk showing the inner surfaces of a small 

 imperfect costal and of another dermal bone ; from Lewes. 



Capron Collection. 



R. 1492. Fragment of chalk showing the inner surface of an im- 

 perfect costal ; locality unknown. No history, 



R. 1493. Fragment of chalk showing the inner aspect of a small 

 nuchal bone ; locality unknown. No history. 



25923 x. An imperfect dorsal vertebra, in matrix ; from Sussex. 



Diooon Collection. Purchased, 1851. 



49921. The centrum of a smaller dorsal vertebra ; from Sussex. 



Capron Collection. 



18404. The glenoidal region of a scapulo-precoracoid, in matrix ; 

 from Arundel, Sussex. 



Presented by E. Charlesworth, Esq., 1843. 



R. 1495. A small imperfect left scapulo-precoracoid, in matrix; 

 from Kent. No history. 



R. 1495 a. A nearly entire left scapulo-precoracoid ; from Kent. 



No history. 



49009. The proximal portion of a right coracoid, in matrix, 

 {Fig.) belonging to a turtle of considerable size; from Kent. 

 Figured by Owen, op. cit. pi. vii. a. figs. 4, 5. 



Purchased, 1878. 



R. 1345. Four bones, in matrix, which appear to belong to the 

 manus of a large individual of the present family ; from 

 Burham, Kent. Harford Collection. Purchased, 1888. 



36254. A small right femur, wanting part of the shaft; from 

 (Fig.) Kochester, Kent. Figured by Bensted in the ' Geologist,' 

 vol. v. p. 296, fig. 2, and referred to Trionyx. 



Mantell Collection. Purchased, 1853. 



B. From the Cambridge Greensand. 

 35177. Several associated fragments of the carapace of a rather 

 small turtle, comprising marginals and portions of costals ; 

 the marginals are elongated. Purchased, 1859. 



