O F S T O N E S. 67 



In Cal/ege-pa.rk, near Aln-wick, is a blue marble with the fame 

 variegations, conforming with difficulty to the chiffel, yet tak- 

 ing a tolerable polifli. It rifes in blocks of four, five, and fix 

 feet in length, of different thicknefs, from nine tofixteen inches. 



On Long Houghton-moor, about a mile north-weft from Rats- 

 hugb, and near a mile from Denivick, is a dark blue marble, eafily 

 worked into any form, and of a pleafant polimre. It is raifed 

 in mafTes of feven or eight feet long, and generally about nine 

 inches thick. 



About a mile from Wltton^ near Rothbury, is a light blue marble, 

 of a fine texture, and capable of a neat politure. There is 

 a mural fepulchral flone of it in the chancel of Rothbury -church, 

 over the remains of Dr. Thom/infon, rector of that parifh, the po- 

 lifhing part poorly performed, fmooth and even, but of no 

 luflre. 



At Fair-flow, near Nunivick, is a blue marble, thick fet with 

 madrepore-coralloids, compofed of a bright white opake fpar 

 of the fize of a goofe-quill, the ends in their Cuticul<e, or rough 

 coats, looking like the fubterraneous vermicular vagrants, rifing 

 in fucceflion, and in crowds to make their exit. Polifhed, they 

 fliew their interior texture, many of them radiated from the 

 centre, with annular circles ; the marble appearing with them 

 very neat and handfome. Some part of the road above Fair-Jhoiv 

 is paved with it j feveral fragments now lying upon the fur- 

 face (d). 



(d) Marmor fubcaeruleum. Da C'.Jla. Hift. Foft 198. No. 17. 



Marmor fubcaeruleum fplendidum, durius, quod Marmor Numidicum antiquorutn. /////. 

 Hift. FofT. p. 465. No. i. 



Pierre bleue, Blaeuwe ftein. Boccone Refchcrche? et Obfervat. Nat. Lett. 13. p. 124. 



K 2 Thcfe 



