OFSTONES. 6<) 



brook at Simonburn. We have this kind with coralloids of a bright 

 white ; alfo bright white with a bluuS of red (e). Turbinated 

 and other marine fhells are frequent in it. 



6. A black marmorite with coralloids of a yellowifh-white 

 colour. It is of an oblong fliape, of about a foot in length, and 

 half a foot broad. From the fame fhore (f). 



7. A grey marmorite fhaded with an orange-yellow, and thick 

 fet with fmall coralloids of a pearl colour, and tranfparent ; 

 numbers of them in relief upon the furface, refembling worms, 

 as if alive and crawling. It is the Marmor junceum of Dr. Wood- 

 ward (g).'-. From the fhore of the brook near SimonburnoMQ. 

 It is alfo frequent on our other mores, and on the fea-ftrand ; of 

 a confiderable fize, fometimes large enough for fmall tables, 

 chimney-pieces, and other ornamental works. 



8. A marmorite of a deep purple colour, with coralloids of 

 the fame kind, of a bright and beautiful orange-yellow, of the 

 fize of a crow-quill. From the Ihore of North Tyne, below Cbip- 

 chace-mill, by the Strotber-houfe. 



9. A marmorite compofed of numerous fragments of fea- 

 Ihells, in fo confufed an order as not to be diftinguimed, form- 

 ing a moil beautiful variegation, in parts refembling flowers ; 

 the brims of a fine chocolate colour, the eyes of a bright orange. 



(c) Marmoroides cinereus coralliis refertus. Da Co/la. Hift. Foff. p. 247. Wood-ward. 

 Cat. Foil. k. 17. 



(f) Marmoroides niger coralliis refertus. DaC'Jla. Hift. Foff. p. 244. Woodward. Cat. 

 A. e. 27, 28, 29. 



(g) Marmoroidci fufco-cinereus coralliis refertus. Da Co/In. Hift. Foil", p, 248. Wood- 

 ward. Cat. A. e. 22. 



It 



