240 



SUPPLEMENT. 



Includes very large forms which appear to be closely allied to the 

 American Brontosaurus. 



The accompanying table gives the dimensions of the bones of the 

 species of this genus compared with those of allied forms. 



Length of scapula 



,, humerus 



„ ischium 



„ femur 



Width of dorsal centrum 

 „ lumbar „ 

 „ caudal „ 



96 



flq 



60 



50? 



40 



70? 



13 



14 



12 



54 



•8 8 





57 

 35-5 



11-5 



27 



8-5 



la 



45 

 36 

 30-5 

 46 



54 

 51-5 

 39? 

 64 



?10 



k^ 



24 



Pelorosaurus conybeari {supra, i. p. 145). 



R. 1610. The crown of a tooth, perhaps referable to this species ; 

 {Fig.) from the Wealden of Kent. This specimen (fig. 53), which 



Fig. 53. 



(?) Pelorosaurus conybeari. — Inner aspect of the crown of a tooth ; from the 

 Wealden of Kent. \ (From the ' Quart. Journ. Geol. Soc.') 



1 Caudal vertebra; of a larger individual are nearly equal to those of Bronto- 

 saurtis in point of size. 



