MAMMALIA. 



27 



No. 81. Equus fossilis. 



Molar. Eemains of tlie fossil Horse have been found in the 

 uppermost Tertiaries and the Quarternary of many parts of Eu- 

 rope and America. These remains are in the main molar and 

 incisive teeth which are usually noted under the name of E. fossi- 

 lis, although some authors undertake to distinguish several species. 

 This specimen is from the Pliocene beds of Suffolk, England. 

 Original in the private Geological Cabinet of Mr. Ward, Rochester. 



Price, $0.20. 



No. 82. Hippotherium gracile, Wagn. 



Left Hind-Leo, on pedestal. This extinct Soliped — the Equus primigenius 

 of Meyer — ranged from the Himalayas to the Alps, and existed from the Miocene 

 period to the Diluvium. It was about as large as the Deer, and had remarkably 

 long, slender legs. These remains, comprising the lower part of the tibia, tarsus, 

 and principal metatarsals and phalanges, were found in the Pleistocene strata at 

 Pikermi, Greece, and belong to the University Museum at Munich. 



Size, 21 x 9. Price, $5.50. 



No. 83. Hipparion elegans, cimstoi. 



Left Hind-Foot. This little equine quadruped was tridactyle ; 

 for while the two splint-bones alone are retained in the Horse, Zebra 

 and Ass, in the H. they terminated in small digits and hoofs. Such 

 a foot was better adapted for swampy soil, as it would not sink so deep- 

 ly. The hoofs dangled behind like the spurious hoofs of the Ox. 

 The H. was a transitional form between the Upper Eocene Palaeo- 

 theres and the modern Horse. This specimen was found in the 

 Lower Pliocene at Cucuiron, France, and belongs to the Museum of 

 Natural History in Lyons. Size, 14 x 13. Price, $2.25. 



No. 84. Hipparion primigenius. 



Fragment of Palate with four Teeth. From the Lower Pliocene of 

 Cucurron, France. Museum of Natural History in Lyons. Price ®1 00 



No. 85. Anchithermm Bairdii, Leidy. 



Skull and Lower Jaw. This odd-toed Ungulate resembles the Pah-eo- 

 therium in its dental structure, but is very much like the Horse in its skeleton 

 The cranium has a short sagittal crest and a large, broad forehead ; the skull is 

 relatively shorter than that of the Horse ; each jaw contains six incisors two 

 canines, and seven molars. These remains were found in the Mauvaises Terres 

 (Lower Miocene), Nebraska, and are preserved in the Museum of the Academy of 

 Natural Sciences, Philadelphia. Size, 6x4. Price $225 



