C 2S ] 
The fpecific native, wherever it is afcertained, filould be takert 
from the animal or plant; that he who difccrns the lapideous 
protype may be able to know its animal or vegetable eftype, to 
obferve what is diftinft, ro remove doubts, and to rejeft fuper- 
fluities. It will likewife be ufeful to exhibit and confider Htho- 
phytes and tcftaceous fubftances whofe protypes are unknown, 
and which may illiiftrate the cognifancc of nature or the genera- 
tion of the earth. 
II. IN CONCRETES are determined coagulated fubftances, as 
ochraceous, iflarmoreous, gypfeous, ftirlatc, fpatofe, argil- 
laceous, &c. 
III. EARTHS are pulverulent and the mothers of ftones, a very 
few their offspring. 
Primitive are thofe which are referred to this kingdom from the 
elements, animals or vegetables. 
Derivative are thofe which have tHeIr origin in pulverifed 
ftones. 
VOL. VII. — D 
