1817.) during the Year 1816. 
‘S 
Genus 3. THIONIDES. (From §eiov.) 
Bodies capable of uniting with the preceding Genus, and of forming 
gaseous or very volatile Compounds. 
Sp. 1. Azote. Sp. 3. Sulphur. 
2. Oxygen. 
Genus 4. cHLoripEs. (From chlorine.) 
Bodies unalterable in the Air at all Temperatures, forming with 
Hydrogen Acid Compounds gaseous or very volatile. 
Sp. 1. Chlorine. Sp. 3. Iodine. 
2. Phthorine. 
Genus 5. ARSENIDES. (From arsenic.) 
Bodies oxidated in the Air when exposed to it at a sufficient Tem- 
perature, forming solid Compounds with Oxygen, and permanent 
Gases with Hydrogen. 
Sp. 1. Tellurium. Sp. 5. Arsenic. 
2. Phosphorus. 
Crass II. Lerucotytes. 
Genus 1. cassireRIDES. (From xacoirsp0s.) 
Bodies whose Combinations with Oxygen are decomposed ly Carbon, _ 
but not by Iodine. 
Sp. 1. Antimony. Sp. 3. Zine. 
2. 21D. 
Genus 2, ARGYRIDES. (From apyugos.) 
Bodies whose Oxides are decomposed by Iodine and Hydrogen. 
Sp. 1. Bismuth. Sp. 3. Silver. 
2. Mercury. 4. Lead. 
Genus 3. TEPHRALIDES. (From regpas and ads.) 
Bodies whose Oxides are decomposed ly Iodine, and not by 
Hydrogen. 
Sp. 1. Sodium. Sp. 2. Potassium. 
Genus 4. catcipes. (From calcium.) 
Bodies whose Oxides are not decomposed by Carlon or Iodine, Lut 
by Chlorine. 
Sp. 1. Barium. Sp. 3. Calcium. 
2. Strontium. 4, Magnesium. 
