POTT ON SANDS . 
77 
Cabinet. Shelf, 
VI 6 
c 
c 
Specimen. 
1—30 dorsal vertebrae of Pliosaurs; they all 
have the centrum rather short, and dis¬ 
play less variety of form than the cervi¬ 
cal vertebrae. They are analogous for 
the most part to the form of vertebrae 
called by Prof. Owen Pliosaurus brachy- 
spondylus. 6.13, 6.22, and 6.24— 
27 may be Plesiosaurs. 
1—27 dorsal vertebrae of various species of Plio- 
saurs. c . 8 is probably Plesiosaurian. 
28—32 caudal vertebrae of Pliosaurus. 
Teeth of Pliosaurus and Dakosaurus and Ichthyosaurus. 
VI d 1—16 large circular teeth of Pliosaurus, like 
those in the Cambridge Greensand 
d 
d 
d 
d 
d 
d 
d 
d 
d 
17—32 
33—43 
44, 45 
46, 47 
48—54 
55—77 
78—82 
83—106 
107—127 
called Polyptychodon. 
large Pliosaur teeth, with a smooth flat¬ 
tened area, like those from the Oxford 
and Kimeridge Clays, 
smaller Pliosaur teeth, curved and with 
coarse ribs. 
small Pliosaur teeth, with the smooth area 
convex. 
worn teeth, with two strong lateral ridges, 
thick teeth of Dakosaurus, with inflated 
sides. 
more slender and curved teeth of Dako¬ 
saurus. 
teeth of Dakosaurus. 
straight teeth of Dakosaurus. 
teeth of Ichthyosaurus. 
e 1—6 humerus and femur of Pliosaurus. 
e . 4, presented by M. R. Prior, Esq. 
s 
e 7 carpal bone of a Pliosaur. 
