28 GEOLOGICAL MEMOIRS. 



Lavas. (In treating of these the author enumerates the earth- 



quakes and hot-springs of the district.) 

 Travertine and alluvium. 

 Diluvial and tertiary formations. (The latter with gypsiferous 



marls and nummulitic rocks.) 

 Cretaceous formation. 



Jurassic formation. (Including Hippurite-limestone.) 

 Coal formation. 

 Silurian formation. [T. R. J.] 



On Fossil Species of Rhinoceros*. By M. Duvernoy. 



[Archives du Museum d'Hist. nat. tome vii. livr. 1, 1853. Comp. Corapt. Kend. 

 vol. xxxvi. 1853, and Leonhard u. Broun's N. Jahrb. 1854, pp. 243-248.] 



M. Duvernoy's memoir consists of four parts, and an introduction. 

 In the latter the author enumerates the sources of the materials of 

 his essay, and briefly reviews the Cuvierian species of fossil Rhinoce- 

 roses and the subsequent labours of Blainville, Lartet, Laurillard, and 

 Gervais. The essay itself treats successively of — the recent Rhino- 

 ceroses and their osteology, — the miocene species, — pliocene species, 

 — and those of the diluvium and caverns. 



The fossil species described and illustrated (with eight plates) in 

 this memoir are thus arranged by the author : — 



Miocene. From the valleys of the AlUer and of Haute-Loire 

 (Gannat and Randan) ; and from the basin of the Garonne 

 (Simorre, Sausan, &c.). 



1. Rhinoceros incisivus, Cuvier. From Sansan. 



R. Schley ermacheri, Kaup. 

 R. Sansaniensis, Lartet. 



2. R. minutus, Cuvier. From Moissac,dep. Tarn et Garonne. 



3. R. brachypus, Lartet. From Simorre. 



4. R. pleuroceros, Buv. n. sp. From Gannat. 



5. R. Randanensis, Duv. n. sp. From Randan. 



6. Acerotherium typus, Buv. From Sansan. 



A. incisivum, Kaup. 



R. tetradactylus, Lartet. 



7. A. Gannatense, Duv. n. sp. From Gannat. 

 Pliocene. 



1 . Rhinoceros leptorhinus, Cuvier. From North Italy, Mont- 



R. de Montpellier, JNIarcel de Serres. [pellier, &c. 

 R. megarhinus, De Christol. 



2. R. protichorhinus, Duv. From Clacton, Essex. 



R. leptorhinus, Owen. 

 Diluvium and Caverns. 



1. R. tichorhinus, Cwi'/er. From Siberia, France, England, &c. 



2. R.Lunellensis,Ge?T«/*. FromLunelvieil, near Montpellier. 



3. Stereoceros Galli {vel typus), Duv. (=:Elasmotheriuni, 



Fischer, according to Kaup and Laurillard.) From 

 the Rhine valley. [T. R. J.] 



* [See also M. Giebel's paper, Q. J. G. S. vol. viii. Miscell. p. 9 et scy.] 



