198 



ing them : the centrums, also, of these vertebrae are much compressed, and consist appa- 

 rently of their cortical part only, the neural canal with the spinal cord occupying the place 

 of the medullary part in their centre. 



The ribs of the first sacral, or tenth vertebra counting from the first dorsal, unite with 

 those of the ninth vertebra to form the expanded disc against which the iliac bones abut. 



Presented by Sir Joseph Banks, Sort., P.R.S. 



1019. The shell of the Negro Tortoise (Testudo nigrita, Dumeril and Bibron). 



Presented by Mrs. Robinson. 



10:20. The shell of a young male Elephant Tortoise (Testudo elephantopus ; T. nigra, 

 Dumeril and Bibron). Presented by Sir Joseph Banks, Bart., P.R.S. 



1021. The shell of a very large Tortoise (Testudo elephantopus). 



The animal was a native of the Seychalle Islands, and was being sent to General De Caen, 

 Governor of the Isle of France, in the French corvette ' Gobe Mouche,' which was captured 

 by Captain Corbet, of H.M.S. ' Nereide,' and the animal brought to the Cape of Good Hope. 

 It was sent to England by Admiral Bertie, who commanded at the Cape, and remained in a 

 living state at Petworth, the seat of the Earl of Egremont, from August 1 809 until April 

 1810. Its weight was 207 pounds. 



Presented by the Earl of Egremoni. 



1022. The shell of a male Radiated Tortoise (Testudo radiata). Hunterian. 



1023. The shell of a male Radiated Tortoise (Testudo radiata, Shaw). 



Fig. Shaw, Zool. iii. pi. 2 ; Daud. ii. pi. 26. 

 Hab. Madagascar. 



Hunterian. 



1024. The plastron of a male Radiated Tortoise (Testudo radiata). The under sur- 

 face is concave, and the ' gular ' scutes more produced than in the female. 



Mus. Leverianum. 



1025. The shell of a female Radiated Tortoise (Testudo radiata). Mus. Leverianum. 



1026. The abdominal part of the shell, or plastron, of a female Radiated Tortoise 

 (Testudo radiata). Mus. Leverianum. 



