THE 



QUARTERLY JOURNAL 



OF 



THE GEOLOGICAL SOCIETY OF LONDON. 



PROCEEDINGS 



OF 



THE GEOLOGICAL SOCIETY. 



April 8, 1857. 



The Rev. H. Brass, B. A., Brompton, Chatham, Kent, was elected 

 a Fellow. 



The following communication was read : — 



On the Species of Mastodon and Elephant occurring in the 

 fossil state in Great Britain. Part I. Mastodon. By H. 

 Falconer, M.D., F.R.S., F.L.S., & F.G.S. 



[Plates XI. & XII.] 



Contents. 

 Introduction. 



Generic distinctions and nomenclature of the Proboscidea. 

 Dinotherium. 

 Mastodon and Elephas. 



The distinctive and specific characters of Mastodon and Elephas. 

 The British fossil Mastodon, and its comparison with M. angustidens, M. Arver- 

 nensis, and M. longirostris. 

 Mastodon angustidens. 

 M. Arvernensis and M. longirostris. 

 British specimens of Mastodon. 

 Molars. 

 Premolars. 

 Milk-molars. 

 Lower jaw. 

 Geological age of the Mastodons. 



Mastodon angustidens, M. longirostris, and M. Arvernensis. 

 Mastodon of the Crag, in particular. 

 Conclusion. ■ 



VOL. XIII. PART I. Z 



