XXVI11 TABULAR VIEW OF 



2. Rhombohedral (M.) Calcareous Spar. 



3. Macro typous 24 (M.) Dolomite. 



4. Brachy typous 25 (M.) Rhomb Spar. 



5. Paratomous (M.) Ankerite. 



6. Microtine 26 (S.) Plumbocalcite. (TURNER.) 



7. S tap byline (S.) Magnesite. 



BARYTE. 



Gen. I. PARACHROSE 2 7 -BARYTE. (M.) H. 3'5 . . 6-0. 



G. 3'3 ... 3'9. 



Sp. 1. Macrotypous (M.) Dlallogite. 



2. B r a c hy ty pou s (M.) Spathic Iron. 



3. Rhombohedral (S.) Troostite. (S.) 



4. Prismatic (S.) Triplite. 



5. T e t a r t o-p r i s rn a t i c (S.) Manganese Spar. 



6. Staphy line (S.) Bustamite. 



Gen. II. ZINC-BARYTE. (M.) H. 5'0. G. 3'3...45. 



Sp. 1. Prismatic (M.) Electric Calamine. 



2. Axotomous 2 8 (S.) Willemite. 



3. Rhombohedral (M.) Calamine. 



24 Maxpos, long) and 



25 Bpa^ug, ^ori, and ruroj:, form. 



26 Mixpoc:, small, alluding to the minuteness of the crys- 

 tals. 



27 napaxpwtfis, change of color, from the alteration in 

 color which the species undergo from exposure to the 

 weather. 



2 8 A|wv, ^e axis, and <rs t avw, / cleave ; the cleavage con- 

 sisting of a single face, which is perpendicular to the axis. 



