83 



writer in the ' Quart. Journ. Geol. Soc.' vol. xliii. p. 16, 

 pi. ii. fig. 11, and corresponds closely with the specimen 

 figured by Lankester, op. cit. pi. viii. figs. 2, 3. Both 

 specimens, which have not heen rolled, agree precisely in 

 size with the corresponding bones of G. melas \ 

 Broivn Collection. Presented by Prof. Sir E. Owen, K.C.B., 1859. 



28264, 29598. Two imperfect specimens of the tympanic of opposite 

 sides ; from the Red Crag of Woodbridge, Suffolk. 



Purchased, 1852. 



40137-8. Two specimens of the right periotic, which have been 

 bisected to exhibit the semicircular canals ; from the Red 

 Crag of Suffolk. Purchased, 1866. 



49978. Five rolled specimens of the periotic ; from the Red Crag of 

 Suffolk. Wetherell Collection, Purchased, 1871. 



27434, 28250, 28264, 28995, 29594, 49978. Several rolled speci- 

 mens of the periotic ; from the Red Crag of Suffolk. 



Purchased. 



28271. The centrum and part of the neural arch of the fifth lumbar 

 vertebra ; from Woodbridge. This specimen, which cannot 

 be distinguished from the corresponding vertebra of G. 

 melas, is noticed by the writer in the ' Quart. Journ. Geol. 

 Soc.' vol. xliii. p. 16. Purchased, 1852. 



46745. The imperfect centrum of a lumbar vertebra, provisionally 

 referred to the present species ; from Woodbridge. 



Purchased, 1875. 



37298. A similar imperfect centrum ; from Woodbridge. 



Purchased, 1863. 



43200. The imperfect centrum of an early caudal vertebra ; from 

 Woodbridge. Purchased, 1872. 



The two following specimens (one of which is immature) apparently 

 indicate an allied but smaller form. 



33504. The centrum of an early lumbar vertebra ; from the Norwich 



Crag. Both epiphyses are wanting 



Wigham Collection. Purchased, 1859. 



33505. The centrum of a late lumbar vertebra ; from the Norwich 



Crag. Wigham Collection. Purchased, 1859. 



1 British Museum, No. 76.2. 16. 21. 



62 



