116 
SELACniI. 
P. 1505a, P.15051), P. 1507d. Three small specimens; Brack- 
losham. The first is referred to M. the present 
writer, loc. cit. p. 43. Eijirton Coll. 
P . 3049, P. 4457 d, e. Four medium-sized examples ; Bracklcsham. 
The median teeth of the largest measure 0-037 by 0 - 008 . 
EnnisJcillen Coll. 
Myliobatis toliapicuS; Agassiz. 
184.3. Myhdbatis toUapicus, L. Agassiz, Poiss. Foss. vol. iii. P- 
pi. xlvii. figs. 15-20. 
1843. Myliohatia suturaUs, L. Agassiz, tom. cit. p. 322, pi. xPi. 
12 - 10 . 
1843. Myhuhatis nitidns, L. Agassiz, tom. cit. p. 82.5. 
1847. Myliohatk atriatus, II. Owen {non Agassiz), Ann. Mag. Nat. His . 
[1] vol. xix. p. 25, woodcut. 
(?) 1850. Myliobatis toliapicus, F. Dixon, Foss. Suss. p. v, p ■ 
figs. ,3-5. 
1888. Myliobatu toliapicus, A. S. Woodward, Ann. Mag. Nat. IBs • 
[OJ vol. i. p. 45. 
Type. Lower dentition ; British Museum. 
Dentition comparatively thin, the coronal contour flat in the lower 
jaw, nearly so in the upper. Longitudinal superficial stria; scarcely 
apparent. Median teeth in the adult at least six times as broad as 
long ; lateral teeth as broad as long, more or less diamond-shape . 
iorm. Loc. Barton Clay- (Uiipor Eocene) : llampshire. Brae ' 
losham Beds (Middle Eocene) ; Sussex. London Clay (Lower 
Eocene) ; Isle of Shoppey. Lower Eocene : Belgium. 
Upper Dentition. — (i.) London Clay, Isle of Sheppey. 
P. 1494. Connected series of nine median teeth, with remains of 
three lateral rows. Eyerton Co 
30892. Much abraded si)ecimcn, with fragments of cartilage. 
Purchcised, 1856. 
P. 1506 a. Connected series of seven median plates, with remains 
of two lateral rows. Ejerton Co 
P. 528. Connected series of six median teeth, probably belonging to 
a young individual of this species, named M. nitidus^ by 
Agassiz, loc. cit. It is described by the present writer, 
loc. cit. p. 45. Eyerton Coll. 
(ii.) Bracklcsham Beds, Bracklcsham Bay. 
P. 436 a. Two series of small median teeth. Eurcliased, 1882. 
