74 



VEBTEBKATA. 



No. 279. Colossochelys atlas, Falc. and Caut, 



Carapace and Plastron. This gigantic Tortoise— the King of Chelonians 

 —was a contemporary of the Simtlierium. The original cast, belonging to the 

 British Museum, is a restoration from fragments discovered in the Miocene strata 

 of the Sewalik Hills, India, and now in the Museum of the Asiatic Society of 

 Bengal. Size, 8 ft. 2 in. x 5 ft. 10 in. Price (in three pieces, unpainted), $150.00. 



No. 280. Testudo Nebrascensis, Leidy. 



Carapace and Plastron. This small, land-Tortoise had the general form 

 of the ffinys, and was much depressed. It was found in the Mauvaises Terres of 

 Nebraska (Lower Miocene), and is the Museum of the Academy of Natural Sci- 

 ences, Philadelphia. Size, 6x4. Price, $1.50. 



No. 281. 



Testudo hemispherica, Leidy. 



Carapace and Plastron* The 



Carapace is more convex than that of 

 the preceding,and the vertebral plates 

 from the second to the eighth inclu- 

 sive, are hexahedral. This specimen, 

 found at the same locality as the T. 

 Nebrascensis, is in the Ward Museum 

 of the University of Rochester. 



Size, 9x7. Price, $3.00. 



No. 282. Testudo . 



Carapace and Plastron. This Tortoise was found in the Sewalik Hills, 

 India (Miocene), and is in the British Museum. Size, 23x18. Price, $5.75. 



No. 283. Emys Hamiltonoides, Falc. and Caut. 



Carapace and Plastron. From the same 

 locality and Museum as preceding. 



Size, 12 x 8. Price, $4.00. 



No. 284. Eurysternum Wagleri, Miinster. 



Carapace, ventral surface, showing Head and Extremities. The 

 form of this Chelonian approaches that of the fresh-water Turtles, but the limbs 

 are comparatively short. The original is from the Lithographic Limestone (Up- 

 per Oolite), Solenhofen, Bavaria, and is in the Museum of the University of 

 Munich. Size, 18 x 12, Price, $2.75. 



No. 285. Pleurosternon ovatum, Owen. 



Carapace, on slab, showing ventral surface. This singularly modified genus 

 is distinguished by the interposition of an additional pair of bones between the 

 hyosternals and hyposternals. This fossil, one of the earliest evidences of Chelo- 

 nian life, was found in the Purbeck Limestone (Upper Oolite) at Swanage, Dor- 

 setshire, England, and is in the private Geological Museum of Mr. Ward, at Ro- 

 chester. Size, 22 x 17. Price, $4.00. 



