ORNITHOCHIRTJS. 1 ( 



35418. An imperfect upper tooth, agreeing with the second tooth 



{Fig.) in the preceding specimen; from Cambridgeshire. Figured 



by Owen, op. cit. pi. iv. fig. 4, and referred to the present 



species. Purchased, 1859. 



35418 a. A very similar specimen ; from Cambridgeshire. 



Same history. 



Specifically undetermined specimens from the Cambridge Greensand. 

 (Some of these boyies may perhaps belong to the Pteranodontia \) 



35435. Fragment apparently belonging to the premaxillary rostrum, 

 containing one broken tooth. Purchased, 1859. 



41787. Hinder portion of an Ornithosaurian or Avian cranium. 



Purchased, 1869. 



44173. Model of a natural cast of the brain-cavity. The original 

 is preserved in the Geological Museum, Cambridge, and is 

 described and figured by Seeley in his ' Ornithosauria/ 

 p. 87, pi. xi. figs. 10-12. Presented by Mr. H. 



35436. Fragment of a rostrum, with three pairs of dental alveoli. 



Purchased, 1859. 



R. 485. The extremity of a mandibular symphysis, showing three 

 pairs of dental alveoli, one of which contains a broken 

 tooth. Presented by Sir P. Oiven, K.C.B. 



35241. A large broken tooth (? 0. simus). Purchased, 1859. 



R. 474. Seven teeth, mostly imperfect. 



Presented by Sir P. Owen, K.C.B. 



35241 a, 35419, 35427. Sixteen more or less imperfect teeth. 



Purchased, 1859. 



35411. The axis vertebra of a large species. Purchased, 1859. 



R. 547. The conjoint atlas and axis vertebra of a considerably 

 smaller form. Purchased, 1885. 



R. 548. The conjoint atlas and axis vertebra of a rather smaller 

 individual. Same history. 



1 The toothless Ornithostoma has been described from these beds ; vide 

 Seeley, Ann. Mag. Nat. Hist. ser. 4, vol. vii. p. 35, note (1871). 



C 



