40 ornithosatjria. 



Ornithosattrs of Uncertain Generic Position. 



There is no evidence as to the genus (or genera) to which 

 the following forms (which are from the typical horizon of Ptero- 

 dactylus and Bhamphorhynchus) should be referred. The distal 

 portion of the ulnar metacarpal is remarkable for having a bony 

 plate suturally attached to one of its lateral surfaces, which doubtless 

 aided in supporting the patagium. 



Species a. 



Pterodactylus manseli, Owen l . 



This species is only known by the following bones, which agree 

 approximately in size with those of Dimorphodon. 

 Hab. Europe (England). 



41970. The distal portion of the left humerus ; from the Kimeridge 

 {Fig.) Clay of Weymouth, Dorsetshire. This specimen is the 

 type, and is figured by Owen, op. cit. pi. i. figs. 10-12. 



Purchased, 1870. 



43035. The proximal extremity of the first phalangeal of the ulnar 



(Fig.) digit of the manus ; from Weymouth. This specimen is 



referred to the present species by Owen, and figured by 



him, op. cit. pi, i. figs. 20, 21. Purchased, 1871. 



44182. Seven specimens of the same extremity of the homologous 

 bone ; from Weymouth. Purchased, 1873. 



R. 559. A similar specimen ; from Weymouth. Purchased, 1886. 



45918. A similar specimen, showing more of the shaft. 



Purchased, 1874. 



The following specimens from the Kimeridge of Weymouth may 

 probably be referred either to the present or the next form. 



R. 563. An extremity of (apparently) one of the bones of the fore- 

 arm. Purchased, 1886. 



41404. A similar specimen. Purchased, 1869. 



41232. An homologous specimen of a smaller individual. 



Purchased, 1868. 



42376. Two proximal carpals. Figured by Owen, op. cit. pi. i. 

 {Fig.) figs. 24-27. Purchased, 1870. 



1 Mesozoic Eeptilia (Mon. Pal. Soc), pt. i. p. 8 (1874). 



