OEN]THOCHIKTJS. 



25 



fragmentary, and much crushed ; the hinder part of the 

 cranium in preserved, as well as parts of the vertebral 

 column and numerous portions of the wing-bones ; the 

 anterior part of the sacrum is well shown. The portion 

 of the cranium has been bisected in order to show the 

 brain-cavity ; but the contour of the latter is not very 

 clear. Fox Collection. Purchased, 1882. 



** Ornithochirus (?) clifti (Mantell 1 ). 



Syn. Palceomis clifti, Mantell 2 . 

 Pterodactylus clifti, Bronn 3 . 



The following specimens indicate a form considerably smaller 

 than the preceding, which is provisionally referred to the present 

 genus. 



Hob. Europe (England). 



2353. The proximal extremity of the left humerus; from the 

 {Fig.) Wealden of Cuckfield, Sussex. This specimen is figured 

 by Mantell in his 'Eossils of Tilgate Eorest,' pi. viii. 

 fig. 11 (1827), and also in the 'Trans. Geol. Soc' ser. 2, 

 vol. v. pi. xiii. fig. 3, as the bone of a bird ; but was 

 refigured by Owen in the ' Quart. Journ. Geol. Soc' vol. ii. 

 pp. 99-100, figs. 5, 7, and referred to the Ornithosauria. 

 Mantell Collection. Purchased, 1836. 



2353 a. The imperfect distal part of apparently the same left 

 (Fig.) humerus. Eigured by Mantell, op. cit. pi. viii. fig. 15, 

 and pi. xiii. figs. 1, la (as a bird-bone), and in his 

 ' Medals of Creation,* 1st ed. vol. i. p. 806, fig. 149 (as 

 Palceomis) ; also by Owen, op. cit. p. 97, figs. 1, 2, 3. 

 This specimen is the type. Same history. 



Ornithochirus (?), sp. 



Distinguished from the preceding by a considerable difference in 

 the contour of the head of the humerus. 

 Hab. Europe (England). 



R. 558. The imperfect proximal extremity of the left humerus ; 

 from the Wealden of Brook, Isle of Wight. 



Purchased, 1885. 



1 'Medals of Creation,' 1st ed. vol. ii. p. 806 (1844).-- Pakeornis. 



2 Loc. cit. 



3 'Index Paheontologicus,' p. 895 (1848). 



