TAB. I. 



CALX nativa. 

 Native Lime. 



Class 2. Earth*. Order 1. Homogeneous. Bab. 

 Gen. 1. Lime. Spec. 1. Calx nativa. 



Gen. Char. Powdery or concrete, with a hot 

 burning taste. Corrodes animal substances. 

 Spec. grav. 2-3, Kirwan, v. 1.5. Precipitates 

 from a solution in water, by adding corrosive 

 sublimate, in the form of a reddish powder. 

 Kir. v. 1. 75. Changes syrup of violets green. 



Spec Char. Uncombined. 



Syn. Native lime. Kir. v. 1. 74, 75. 

 Pure lime. Bab. 7. 

 Artificial. Calx viva. Mat. Med. 



vJuick-lime, or Calx viva, is well known, as procured 

 from chalk or lime-stone by means of burning in lime- 

 kilns. In the act of burning it is deprived of an air or gas, 

 chemically termed carbonic acid gasf, loses part of its 



* Earths are incombustible, infusible per se, spec. grav. not ex- 

 ceeding 4*9,' and white. 



t Formerly termed fixed air, discovered by Dr. Black. It is heavier 

 than common air, forming a small or adventitious part of the atmo- 

 sphere ; is readily absorbed by cold water, g'ving it a brisk taste. As an 

 acid, it turns vegetable blues red. 



