OENITHOCHIETJS. 15 



R. 39. Four imperfect long-bones ; from the Chalk of Snodland, 

 Kent. Shrubsole Collection. Purchased, 1880. 



B. Species typically from the Cambridge Creensand. 

 Ornithochirus sedgwicki (Owen J ). 



Syn. Pterodactylus sedgwicki, Owen 2 . 

 Coloborhynchus sedgwicki, Owen 3 . 



Apparently allied to 0. cuvieri, but with the anterior dental 

 alveoli relatively larger, a corresponding increase in the depth of 

 the muzzle, and a larger total number of alveoli in a corresponding 

 space. 



Hob. Europe (England). 



35213. Fragment of the premaxillary rostrum, showing three pairs 

 of dental alveoli : from the Cambridge Greensand. 



Purchased, 1859. 



35220. A smaller fragment of the premaxillary rostrum, showing 

 two pairs of dental alveoli ; from the same formation. 



Purchased, 1859. 



35376. Anterior extremity of the mandibular symphysis ; from the 

 same formation. This specimen was determined by Sir 

 E. Owen, and agrees generally with the type mandible 

 figured in his Cretaceous Eeptilia (Mon. Pal. Soc), 1st 

 Suppl. p. 2 (1859), pi. i. fig. 2, although of somewhat 

 greater depth. Purchased, 1859. 



35412 a. Greater portion of a smaller mandibular symphysis agree- 

 ing in general characters with the preceding specimen, 

 and perhaps belonging to this species ; from the same 

 formation. Closely resembles the specimen figured by 

 Owen, op. cit. pi. i. fig. 7. Purchased, 1859. 



39105. Part of a similar mandibular symphysis ; from the same 

 formation. BoiuerbanTc Collection. Purchased, 1865. 



Ornithochirus fittoni (Owen 4 ). 

 Syn. Pterodactylus fittoni, Owen 5 . 

 Eef erred to this genus by Seeley (' Ornithosauria/ p. 118). The 



1 Rep. Brit. Assoc, for 1858, Trans, of Sections, p. 98 (1859). — Pterodactylus. 



2 Lor. cit. 3 Mesozoic Eeptilia (Mon. Pal. Soc), pt, i. p. 6 (1874). 



1 Cretaceous Eeptilia (Mon. Pal. Soc.), 1st Suppl. p. 1 (1859). — Pterodactylus. 

 5 Loc. cit. 



