124 



MINERALOGICAL QUERIES 



p. Does the gypsum of Cumberland belong to 

 the first or to the second floetz -gypsum for- 

 mation ? 



10. Is the salt formation of Chesshire identical 

 with the rock-salt formation of Werner % or 

 is it newer ? 



11. Is the Bath-stone newer or older than 

 chalk ? 



12. Does chalk ever contain the remains of 

 quadrupeds f ? 



13. What are the geognostic relations and 

 characters of the fullers-earth of Hampshire, 

 Bedfordshire, and Surry ? 



The fullers- earth of Saxony, as I have mention- 

 ed in my " System of Mineralogy," occurs along 



* Jameson's "Elements of Geognosy," p. 174. 



f Mr Aitken, in his valuable " Dictionary of Che- 

 mistry," remarks, " It (chalk) contains, in abundance, 

 " the relics of marine organized bodies, such as echinites, 

 " glossopetrae, pectinites, &c. and also, not unfrequently, 

 " the hard parts of amphibious and sand animals, as the 

 *' heads and vertetrse of crocodiles, and teeth of ele- 

 " phants." As the occurrence of elephants' teeth in 

 chalk, is not mentioned by any other naturalist, and 

 as Mr Aitken gives no description of the places where 

 this very remarkable appearance has been observed? ths 

 above query will not be considered as improper, 



