340 RHINOCEROS. 
in the Appendix, p. 45, as ‘‘the specimen in the Museum 
of Sir Ashton Lever, No. 20, which was found under 
ground by digging at Thame, in Oxfordshire.” 
The original, now in the Geological Museum at Oxford, 
was kindly pointed out to me by Professor Buckland, 
who has attached to it the following note :—‘‘ In 1829 
I purchased this specimen at a sale in London, from 
the Museum of Mr. Donovan, who probably purchased 
it at the sale of the Leverian Museum.” The extract 
from the ‘ Ossemens Fossiles, 1822, vol. 1. p. 54, is 
added, as follows. ‘* Douglas (loc. cit. App. p. 45,) re- 
présente un fragment de machoire inferieure contenant trois 
dents, trouvé en creusant un puits, 4 Thame, dans le comté 
@ Oxford, et conservé alors dans le Musée de Lever. II 
paroit de ’espéce de Lombardie a narines non cloisonnées.” 
The distinctive characters of the lower jaw of the species 
of extinct Rhinoceros, called by Cuvier ‘ non-cloisonné or 
leptorhinus, are very clearly illustrated by the figures of 
the Lombardy specimens, which he has given in pl. ix. 
figs. 8 and 9 of the volume cited, and by the English 
fossils described and figured in the succeeding section. 
The lower jaw from Thame manifests as clearly, by 
the position of the first premolar behind the symphysis, its 
specific identity with the Rhinoceros tichorhinus, and it so 
closely agrees with the specimen from Lawford (fig. 128), 
as to render a figure of it unnecessary in this work. 
In that which Douglas has given of the natural size, 
viewed from the inside (the mirror not employed), the 
second premolar, which was then in place, is behind the 
symphysis, and the small, partially divided socket for the 
first premolar has the same relative position to the 
posterior border of the symphysis as in the lower jaw 
(fig. 128). Douglas’s specimen belonged to an immature 
