21; 



912. A portion of the distal epiphysis, including the external condyle of the 

 left femur, of the same Rhinoceros. 



913. A portion of the distal epiphysis, including the internal condyle of the left 

 femur, of the same Rhinoceros. 



914. The left patella of the same Rhinoceros. 



915. A fragment of the proximal extremity of the left tibia of the same 

 Rhinoceros. 



916. Part of the head of the right humerus of the Rhinoceros tichorhinus : it 

 has belonged to an older individual than the foregoing specimens, the 

 proximal epiphysis being anchylosed. 



From one of the Oreston limestone caverns. 



Presented by Joseph Whidbey, Esq. 



917- Portions of the argillaceous sand which filled the cavern in which the fore- 



going fossils were discovered. 



Presented by Joseph Whidbey, Esq. 



Mr. Whidbey describes the cavern containing the foregoing fossils as 

 a kind of fissure in the solid limestone rock ; measuring fifteen feet wide, 

 forty-five feet long, taking the direction into the cliff, and twelve feet 

 deep. 



This cavern was filled with solid clay or clayey sand, in which the 

 bones were imbedded ; they were situated about three feet above the 

 bottom of the cavern. 



When Mr. Whidbey began to work this quarry the rock was seventy- 

 four feet perpendicular above high-water ; the bones were found seventy 

 feet below the surface of the rock, and about four feet above high- water 

 mark. He quarried sixty feet horizontally into the cliff before he came 

 to the cavern. 



Before Mr. Whidbey began to quarry here, one hundred feet had been 

 quarried into the cliff, so that one hundred and sixty feet was the distance 

 between the cavern and the original edge of the cliff; in all other 

 directions the quarries consist of compact limestone to a great extent. 



