I>OMAIN 1. S1DEROUS. 



quartz being common, and of inferior consi- 

 deration. 



The division of glutenites into bricias and 



pudding- 



stones. pudding-stones, the former consisting of angular 

 fragments, the latter of round or oval pebbles, 

 would not be unadvisable, were it in strict con- 

 formity with nature. But there are many rocks 

 of this kind ; as, for example, the celebrated 

 Egyptian bricia, in which the fragments are 

 partly round arid partly angular*; while the 

 term glutenite is liable to no such objections, 

 and the several structures identify the various 

 substances. 



English The celebrated English pudding-stone, found 



pudding-stone. 



no where in the world but in Hertfordshire, ap- 

 pears to me to be rather an original rock, formed 

 in the manner of amygdalites, because the peb- 

 bles do not seem to have been rolled by water, 

 which would have worn off the substances in 

 various directions ; while, on the contrary, the 

 white, black, brown, or red circlets, are always 

 entire, and parallel with the surface, like those 

 of agates. Pebbles therefore, instead of being 

 united to form such rocks, may, in many cir- 

 cumstances, proceed from their decomposition ; 



* So also the celebrated pudding-stone of England. See Ano- 

 malous Rocks. 



