74 



OF STONES. 



met with due encouragement, prefented Sir Hans Sloane with 

 fome pieces as fine, found on thofe hills. It is accounted one of 

 the moft elegant coralloid pori in the world. 



22. A marmorite compofed of kjjer coralloid pori ; the flars 

 variegated with a light and dark grey, with white apices ; the 

 mafhes white. From the more of the brook at Simonburn. It is 

 the lejftr Lithoftrotion of authors (o). 



Of this lefTer fpecies we have a great variety with refpedl to 

 colours. 



i/?. With grey flars, variegated with black j the maflies of a 

 bright white, undulated at the edges ; the columns of the fize of 

 a common writing quill. From the fame fhore. 



zdly. Of a dark brown, variegated with black. From the more 

 of the brook below Nun-wick. 



. With deep red flars, encircled with a light grey, with 

 numerous minute red fpots, on a grey ground, forming a moft 

 beautiful variegation. From the more of the brook at Goffon. 



. Of a deep red ; a reticular work of fmall chryftals on 

 part of the furface. From the fhore of North Tyne, below Chol- 

 lerford-bridge. 



. Of a florid red, very fine. From the fame more. It is 

 frequently found of a pale red on the fhore of Warks-burn, above 

 Crook-bank in Tynedale. 



(o) Lithoftrotion, five bafaltes minimus ftriatus et ftellatus. Lhwyd's Lithoph. Britann. 

 Ichnogr. Epift. 5. Tab. 23. 



Marmoroides columnaris ftellatus, Lithoftrotion diflus. Da Cojia. Hift. Foff. p. 246. 

 No. n. 



dthfy. 



