258 



SQUAMATA. 



R. 40. A nodule with a large part of the vertebral column. 



Shrubsole Collection. Purchased, 1880. 



35690. Nodule with vertebras and fragment of ribs. 



Purchased, 1859. 



39772. Nodule with vertebras and ribs. Bowerbank Collection. 



32836. Nodule with vertebras. 



Dixon Collection. Purchased, 1851 



24874. Nodule with vertebras. Purchased, 1850. 



30535. Nodule with vertebras. Purchased. About 1854. 



30536. An imperfect vertebra. Same history. 

 30536 a. Several imperfect vertebras. Same history. 

 38859. An imperfect vertebra. Bowerbank Collection. 



Palaeophis typhseus, Owen \ 

 Including Palceophis porcatus, Owen 2 . 



Larger than the preceding ; attaining a length estimated at twenty 

 feet. Vertebras generally broader, with the costal tubercles peduncu- 

 late, and the hasmal carina in the posterior region terminating in 

 antero-posterior processes. 



Fig. 56. 



Palceophis typhesus. — Hajmal, anterior, and left lateral views of a trunk ver- 

 tebra, wanting the greater part of the neural spine ; (?) from the Lower 

 Eocene of Sheppey. \. zs, zygosphene ; c, costal articulation. 



The characters on which P. porcatus was founded do not appear 

 of specific value. 



llab. Europe (England and Belgium ). 



1 London Clay Eeptilia (Mon. Pal. Soc), pt. iii. p. 5b* (1850). 



2 Ibid. p. 61 



