4A AMPHITHERIID&. 
fresh proof of its cetacean character. All the weight, 
therefore, which the Basilosaurus was supposed to add to 
the Saurian hypothesis of the Stonesfield jaws, must now be 
transferred to the scale of the Mammalian view. 
And having now answered the statements and argu- 
ments which have been put forth by those whom the 
Memoirs of M. Valenciennes and myself failed to convince, 
I shall proceed to describe successively all the specimens of 
the remains of the small insectivorous animals, from the 
Stonesfield Oolitic slate, that have hitherto come under 
my observation. 
Fig. 16. 
) SS Ss 
Nat. size. 
AMPHITHERIUM PREVOSTIIL No. 1. 
The above wood-cut, (No. 16,) represents the original 
specimen of the remains of the Amphitherium Prevostii, 
examined by Baron Cuvier in the year 1818,* first noticed 
by Dr. Buckland in 1823, and figured by M. Prevost in 
1825. The cut is carefully copied from the engraving in 
the Geological Transactions ; the natural size of the fossil 
is given in outline, and it is enlarged four diameters in the 
finished figure below. 
The fossil partly exhibits, partly represents by impression 
* Ossemens fossiles, 4to. vol. v. pt. ii, Ed. 1824, p. 349. 
