198 UNGXTLATA. 



M. 2551. The well-worn fourth right lower milk-molar ; from 

 Elton, near Peterborough, Northamptonshire. 



Presented by A. N. Leeds, Esq., 1885. 



39041. The fourth lower milk-molar of both sides ; from Brackle- 

 (Fig.) sham Bay, Sussex. Described and figured by Leith- 

 Adams, op. cit. p. 97, pi. xi. figs. 1, la. 



Boiverbank Collection. Purchased, 1851. 



40792. The fourth lower milk-molar of both sides ; probably from 

 the Thames Yalley. These teeth are but slightly worn 

 and of small size. Presented by C. Falconer, Esq., 1867. 



21315 a. A fourth left lower milk-molar of the same size as the 

 preceding ; from Ilford: Noticed in ' Falconer's Palaeon- 

 tological Memoirs,' vol. ii. p. 162. Purchased, 1847. 



44984. The imperfect fourth right lower milk-molar ; from Ilford. 



Brady Collection. Purchased, 1878. 



44985. The much- worn fourth left lower milk-molar ; from Ilford. 



There are twelve ridges. 



Brady Collection. Purchased, 1878. 



44986. A small fourth lower milk-molar, imperfect anteriorly ; from 



Ilford. Brady Collection. Purchased, 1878. 



44987. An almost unworn small fourth left lower milk molar, im- 



perfect posteriorly ; from Ilford. 



Brady Collection. Purchased, 1878. 



46201. The first right lower true molar, in a slightly more worn 



condition ; dredged off the eastern coast. 



Owles Collection. Purchased, 1874. 



46202. The first right lower true molar, in a half- worn condition ; 



dredged off the eastern coast. 



Owles Collection. Purchased, 1874. 



46204. The first left lower true molar; dredged off the eastern 

 coast. Owles Collection. Purchased, 1874. 



44990. The first lower true molar of either side, in a much-worn 



condition ; from Ilford. 



Brady Collection. Purchased, 1878. 



44991. The first lower true molar of either side, in a rather less 



worn condition ; from Ilford. 



Brady Collection. Purchased, 1878. 



