MAMMALIA. 



31 



of the canines when the mouth was shut. The upper canine was placed in 

 advance of the lower one as in the Oreodon, — an anomalous position. This 

 species is characterized by a long nasal bone, and by short thick feet. The fossil 

 head, now in the Museum of the Garden of Plants, was discovered in the 

 Eocene Gypsum of Montmartre, Paris. Size, 13 x 10. Price, $5.50. 



No. 107. Palseotherium crassum, Cuv. 



Skull showing Brain. The cranial cavity was filled with mud which, on 

 the decomposition of the skull, has left a stony cast of the brain with its con- 

 volutions. The original is in the Garden of Plants. Size, 12 x 7. Price, $2.00. 



No. 108- Palseotherium girondicum, Biainv. 



Upper Jaw, right ramus. This specimen from the Lower Miocene of 

 Grave (Dordogne), France, shows the seven molars and the canine, all in place. 

 Original in the Garden of Plants. Size, 10 x 4. Price, on pedestal, $2.00. 



No. 109. Palseotherium crassum, Cuv. 



Lower Jaw. Original in the Garden of Plants. — Size, 10 x 6. Price, $3.50. 



No. no. Palseotherium velaunum, Cuv. 



Lower Jaw. This species is founded on some peculiarities in the lower jaw. 

 The specimen was found in the Eocene Gypsum of Puy de Dome, Central 

 France, and is in the Garden of Plants. Size, 6x3. Price, $2.00. 



No. ill. Palseotherium crassum, Cuv. 



Left Hind-Foot. — Size, 13 x 5. Price, $2.25, 



No. 112. Dinotherium giganteum, Kaup. 



Skull and Lower Jaw. This huge Pachyderm, though its teeth were dis- 

 covered more than a century ago, has not yet found a resting-place in the classifi- 

 cation of animals. Cuvier called it a gigantic Tapir ; De Blainville and Pictet 

 consider it an aquatic Herbivore, resembling the Dugong, and inhabiting the 

 embouchures of great rivers ; Kaup regards it as intermediate between the Tapir 

 and Mastodon, and truly terrestrial ; while Owen says, that, " in the general 

 shape of the skull and aspect of the nostril, the D. most resembles the Manatee, 

 but bones of the limb have been found so associated with teeth as to determine 

 the D. to be a hoofed quadruped of probably aquatic habits, and transitional as it 



