THE NATURAL ARRANGEMENT. XXV 



Gen. If. EARTHY-SALT. (S.) Deliquescent. 



Sp. 1. Calcareous (S.) Nitrocalcile. (S.) 



2. M a g n e s i a n (S.) Nitro-Magnesite. (S.) 



Gen. III. GLAUBER-SALT. (M.) Taste cool, then saline 



and bitter: weak. H. 1-5... 2-0. G. 1-4...T5. 

 Sp. 1. Prismatic (M.) Glauber-Salt. 



2. P r i s m a t o i d a 1 l ' (S.) Aphthitalite ' 2 (BEU.) 



Gen. IV. NITRE-SALT. (M.) Taste saline and cool. H.2'0. 

 G. 1'9... 2-0. 



Sp. 1 . Prismatic (M.) Nitre . 



2. Rh o in b o h e d r a I 1 * (S.) Soda Nitre. (S.) 



Gen. V. ROCK-SALT. (M.) 

 Sp. 1. Hexahedral 14 (M.) Common Salt. 



Gen. VI. AMMONIA-SALT. (M.) 

 Sp. 1. Octahedral (M.) , Sal-Ammoniac. 



Gen. VII. VITRIOL-SALT. (M.) Taste astringent. H. 2*0 

 ...2'5. G. T8...2-3. 



Sp. 1. H e m i-p r i s m a t i c (M.) Copperas. 



2. White Copperas. 



3. Paratomous 15 (S.) Botryogene. (HAID.) 



4. T e t a r t o-p r i s m a t i c (M.) Blue Vitriol. 



1 T Alluding to a single cleavage, parallel to the axis. 

 12 A<p$iro, unalterable, and aXcr, salt. 

 1 3 Implying the connexion of the forms with the rhom- 

 boid. 



14 Implying the connexion of the forms with the cube. 



15 Ila^a, about* and TS/JLVW, / cleave, referring to faces of 

 cleavage of an indeterminate number. 



