MAMMALIA. 25 



No. 67. Chceropotamus affinis, Gervais. 



Uppek Jaw of a young animal. The C. was the earliest form of the Hog- 

 tribe introduced upon our planet. When adult, it must have resembled the 

 Peccari, but was about one-third larger. " It presents an interesting example of 

 one of those links, completing the chain of affinities, which the revolutions of 

 the earth's surface have interrupted, as it were, and for a time concealed from our 

 view." It had the typical dentition. This jaw, discovered in 1856 in the lignites 

 (Eocene) of Debruge, France, is now in the Museum of Natural History at Lyons. 



Size, 6x3. Price, $1.50. 



No. 68. Chceropotamus affinis, Gerv. 



Lower Jaw of a young animal. In the form and proportions of the lower 

 canines, and the backward prolongation of the angle of the jaw, the C. manifests 

 an approximation to the carnivorous type : no other hoofed Mammal presents the 

 latter conformation. This specimen was found, and is preserved with the preced- 

 ing. Size, 8x3. Price, $1.50. 



No. 69. Chceropotamus Parisiensis, Cuv. 



Skull. This fossil was discovered in the Eocene Gypsum beds of Mont 

 martre, Paris, and is preserved in the Museum of the Garden of Plants. 



Size, 12x6. Price, $3.25. 



No. 70. Entelodon magnum, Aymard. 



Lower Jaw, with pedestal. This Pachyderm is characterized by six subtri- 

 angular incisors in each jaw, by canines slightly curved and turning outwards, by 

 seven molars in each ramus, and by tetradactylous feet. Like the Chceropotamus, 

 this animal had features allying it to the Hog on the one side, and to the Hippo- 

 potamus on the other. This specimen was found in the Lower Miocene at Agen, 

 Southern France, and is now in the Museum of the Garden of Plants. 



Size, 18 x 13. Price, $7.50. 



No. 71. Anthracotherium magnum, Cuv. 



Palate and Lower Jaw. The complete skeleton of this Pachyderm has 

 not yet been found ; but so far as determined, the genus seems to stand between 

 the Hog and Hippopotamus. Remains were first found in the Brown Coal of 

 Piedmont; whence the name. These were discovered in the Miocene of Auvergne, 

 France, and are now in the Garden of Plants. Size, 24 x 18. Price, $9.00. 



No. 72. Lophiochserus splendens. 



Upper and Lower Jaws, right rami, with pedestal. These specimens 

 were discovered in 1861, in the Lower Miocene at St. Alban, France, and are in 

 the Museum of Natural History at Lyons. Size, 6x4. Price, $2.00. 



Mo. 73. Hippohyus Sivalensis, Falc. and Caut. 



Skull. This Pachyderm, like the Clioiropotamus and Anthracotherium, had 

 the typical dental formula now preserved in the Hog. The skull was found in 

 the Miocene formation, Sewalik Hills, India, and is in the British Museum. 



Size, 9x4. Price, $1.75. 



