A New Mineralogical Nomenclature 19 



ORDER II. BARYTINEA. 



Genus 1. Baralus.* 



H=2.0 — 4. C=3.3 — 4.8. Streak uncolorcd. Contain.strontia or baryta. 



Sp. 1. B. rubefaciens,t Strontianitc. 



2. B. prismaticus, Cclestine. 



8. B. obliquus, Baryto-calcite. 



4. B. fusilis, Withcritc. 



5. B. rhombohedruj, Drcclite. 



C. B. ponderosus. Heavy spar. 



Genus 2. Spanialu94 



H=4— 5. G=3.4— 4.8. 



Sp. 1. S. hexagonus, Fluorine, 



2. S. dodecahedrus, Subsesquijluale of Cerium. 



3. S. quadratus, Carbonate of Cerium. 



4. S. Wollastonii, Silicate of Cerium. 



5. S. octahedrus, Microlite. 



6. S. rhombicus, Ytlro-cerite. 



7. S. peritomus, Xenotimc. 



Genus 3. Scheelius. 



H=4— 4.5. G = C— G.l. 

 Sp. 1. S. pyramidalis, Tungstate of lime. 



Genus 4. Stimmius.§ 

 H=2.5 — 8. G=5.5 — 5.0. Contain antimony. 

 Sp. 1. S. rhombicus, White antimony. 



Genus 5. Bismutalus. 



H=3— 4.5. G=5.9— 6.1. Contain bismuth. '. 

 Sp. 1. B. ochraceus, Bismuth- Ochre. 



2. B. dodecahedrus, Bismuth-Blende. 



Genus 6. Zincalus. 



H=2.5— 5.5. G=4.3— 4.5. Contain zinc. 

 Sp. 1. Z. rhombohedrus, Calamine. 



2. Z. peritomus, Electric Calamine. 



3. Z. acrotomus, Willemite. 



4. Z. diatomus, Hoj>eitc. 



* B.ipot, weight, and S\<, salt. t In allusion to its tinging flame red. 



t Enwcot, rare, and i\s ; the species are salts of two rare minerals, cerium 

 and yttrium. 



<) EH/i/h, antimony. 



