ATLANTOSATTKIDJS. 149 



rotus, a name of later date than Owen's Bothriospondylus 

 magnus. The present writer has the verbal authority of 

 the founder of the genus for regarding this specimen as its 

 type. Mantell Collection. Purchased, 1853. 



R. 88. A nearly entire middle or posterior dorsal vertebra ; from 



{Fig.) the Isle of Wight. Figured by Hulke in the ' Quart. 



Journ. Geol. Soc.' vol. xxxvi. pi. iv. Fox Collection. 



R. 89. A slightly imperfect dorsal vertebra of similar type, wanting 

 the transverse processes ; from the Isle of Wight. 



Same history. 



R. 90. Two imperfect middle or posterior dorsal vertebras, retaining 

 the greater part of their neural arches ; from the Isle of 

 Wight. Same history. 



R. 91. Five more or less imperfect centra of trunk vertebras ; from 

 the Isle of Wight. Same history. 



R. 92. An imperfect (?) lumbar vertebra ; from the Isle of Wight. 

 This specimen is relatively shorter than either of the pre- 

 ceding. Same history. 



48410. The imperfect centrum and part of the arch of a similar 

 vertebra; from Sandown, Isle of Wight. Purchased, 1877. 



R. 406. The posterior extremity of the centrum of a very large 

 trunk vertebra ; from Brook, Isle of Wight. 



Presented hy C. Westendarp, Esq., 1884. 



R. 406 a. The summit of the neural arch of a trunk vertebra ; 

 from Brook. Closely resembles the corresponding portion 

 of a dorsal of Brontosaurus figured by Marsh in the 

 ' Amer. Journ.' ser. 3, vol. xxi. pi. xv. (1881). 



Same history. 



R. 208. The anterior articulation of a very large trunk vertebra ; 

 from the Isle of Wight. Fox Collection. 



28937. Part of the waterworn centrum of a trunk vertebra ; from 

 the Isle of Wight. Hastings Collection. Purchased, 1855. 



R. 95. Three small imperfect vertebrae, not improbably belonging 

 to young individuals of the present form ; from the Isle 

 of Wight. Fox Collection. 



R. 98. An imperfect trunk vertebra, provisionally referred to this 

 (Fig.) form ; from the Isle of Wight. Figured by Owen in his 



1 Wealden and Purbeck Reptilia ' (Mon. Pal. Soc), suppl. 



vii. pi. vi., as Chondrosteosaurus maguus. Same history. 



