THE 
QUARTERLY JOURNAL 
OF 
THE GEOLOGICAL SOCIETY OF LONDON. 
PROCEEDINGS 
OF 
THE GEOLOGICAL SOCIETY. 
NovEMBER 3, 1847. 
The following communication was read :— 
Description of Teeth and portions of Jaws of two extinct Anthra- 
cotherioid Quadrupeds (HlyororaMUS VECTIANUS and Hyop. 
BOVINUS) discovered by the Marchioness of Hastings in the 
Eocene Deposits on the N.W. coast of the Iste or WiGHT: 
with an attempt to develope CuviER’s idea of the Classification 
of Pachyderms by the Number of their Toes. By Professor 
Owen, F.R.S., F.G.S. &e. 
Wuixtst in Paris in the month of September last, I was favoured by 
the Marchioness of Hastings with information of the discovery of the 
fossils that form the chief subject of the present communication. 
Her ladyship wrote,—‘“‘ My search in a particular part of the Eocene 
beds of the Isle of Wight, where formerly I found that Lophiodon or 
Paleotherium bone figured in your ‘ British Fossil Mammalia *,’ has 
been eminently successful. I have got two portions of jaw and many 
other bones. I have sketched them for you. Are they Coryphodon 
or Anoplotherium’”? 'The pen-and-ink sketches, executed with the 
skill and accuracy of an accomplished artist, showed the fossils to 
belong to the Anthracotherioid family of Ungulata, with an evident 
resemblance to that species in the upper molars of which Cuvier had 
* P, 309, fig. 106, 
VOL. IV.—PART I. I 
