APPENDIX. 79 



Thirty-five fpecies and varieties of thofe antique Stones which 



are called by the Italians Pietre dure. They all belong to the 



filiceous clafs, and to the following genera : 

 Jafper, Heliotrope, Petrofilex, Sinople, Lazuli, Chalcedony, Agate, 



Mocbo, Jafper Agate, Egyptian Pebble, Onyx, Sardonyx, and 



Camea. 

 Nine fpecies of antique Porphyry, Serpentine, and Granite. 



No. 539. 554. 



Earths, three fpecies. No. 555. 557. 

 Cryftallized Shorls, two fpecies. No. 558. 565. 

 Garnets, three fpecies. No. 566. 569. 

 Semipellucid Gems, five fpecies. No. 570. 574. 

 Steatitical Stones, fix fpecies and varieties. No. 575. 583* 

 AmiantuS) two fpecies. No. 584. 585. 

 Zeolitical Stones, four fpecies. No. 586.- 598. 

 Verd d'EcoJ/e, Davila, cat. 2. p. 125. n. 4. No. 599. 

 Nickel and Cobalt, two fpecies. No. 600. 605.. 

 Cubical Marcafite. No. 606. 

 FERRUM Hematites. (3 nigrum, LIN. No. 607. 

 Grey, black and yellow Ores of Copper. No. 608. 616. 

 Eight fpecies and varieties of Lead Ores. No. 617. 636. 

 Varieties of Copper Ore. No. 637. 643. 

 Varieties of Silver Ores. No. 644. 660. 

 A large mafs of green antique Jafper polifhed. No. 66 1. 

 An Axe of black Whinftone, fuppofed to have been ufed by the 



Druids in their facrifices. No. 662. 

 Petrified Corals from Weft Lothian. No. 663. 664. 665. 

 An ancient Amulet, called by the vulgar an Adder Stone. No. 666.. 

 Three fpecies of Indian Nuts. No. 667. 668. 669. 

 Two Goa Stones. No. 670. 671. 



By John Macgowan, Efqj Edinburgh. 



GORGONIA Norvegica, the great Norway Sea Shrub. No. 672. 

 CROTALUS Dryinas. LIN. No. 673. 



Two 



