Pterosauria. 



PLATE 2. 



Pterodactylus compressirosiris, nat. size. 



Fig. 



1 . A large part of the shaft of the humerus, with a portion of the radius or ulna. 



2. One end of a long bone of the wing of the same Pterodactyle. 



3. Part of the shaft of the radius or ulna, from the same block of Chalk, as fio-. l . 

 From the Chalk of Kent. Tn the Collection of Thomas Charles, Esq., of Maidstone. 



