34 



The Perissodactyla — Chalicotheriidce. 



Rhinoceros. 

 Pier-cases, 

 Nos. 6, 7, 8. 



Table-case, 

 No. 4. 



the extremities, many being the type specimens figured in the- 

 " Fauna Antiqua Sivalensis " of Falconer and Cautley. Other 

 species are represented by examples from France, Italy, Spain, 

 and Germany. 



Fig. 41. — Two upper left true molars of Rliinoceros Crnizeti (Filhol), from the Upper 

 Eocene of Bach (Dept. Lot), France. 



Cadurcothe- 

 rium : 

 Hyracodon. 



Table-case, 

 No. 4. 

 Elasmothe- 

 rium. 



Table-case, 

 No. 4. 



Rhinoceros. 



Pier-case, 8. 

 Table-case, 

 No. 4. 



Chalicothe- 

 rium. 



Table-case, 

 No. 4. 



There are also placed in these cases several forms which 

 departed widely from the general type of the genus, but belong 

 to the same family. They include the g'enera Cadurcotlierium, 

 from the Upper Eocene of Caylux, France ; the Hyracodon, 

 from the Upper Miocene of Dakota, IS". America. In a separate 

 case is placed a cast of the skull and teeth of the PlasmotJierium, 

 from the Pleistocene deposits of Novousenk, Government of 

 Samara. Russia. The original is preserved in the Museum of the 

 Imperial Academy of Sciences, St. Petersburg. 



In Table-case No. 4 is exhibited a series of the teeth of 

 rhinoceroses from the Norfolk Forest-bed; from Grays, Essex; 

 from Kent's Hole, near Torquay ; from Eppelsheim, Hessen- 

 Darmstadt ; from the Val dArno, &c. 



Family Titaxotheriim:. — This family includes a large 

 number of ungulates from the Lower Tertiaries of IN". America. 

 A skull and mandible of Titanotlieriv.m heloceras is placed in wall 

 case 8, and a number of teeth of T. Prouti in Table-case 4. In 

 the middle of the gallery in separate glazed cases will be found 

 a skull of T. trigonoceras and a plaster reproduction of the 

 skull and mandible of T. robust urn. (See figure of the skeleton, 

 p. 35.) 



In Table-case 4 are placed some teeth and other remains of 

 Palceosyops and a cast of the fore-arm and manus of Limno- 

 hyops is exhibited in -wall-case. 



Family Chalicotheeiidje. — This family has a very wide geo- 

 graphical range, being found in Canada and the United States, . 



