Seel. II. Agriculture and Vegetation. 147 



tion of much earth. Spirit of urine had 

 the fame effe&s ; but fp. fal. ammon. made 

 with lime, had not. Brown paper dipt in 

 it, burned like a match. Thefe experi- 

 ments mow, that it contains abforbent 

 earth, volatile fait, the acid of nitre, and 

 fea-falt. 



HE diftilled it for five days, and nothing 

 but phlegm, very much charged with a bi- 

 tumen, came over. When the utmoft force 

 of fire was applied, white clouds appeared 

 in the receiver, which clouds condenfed 

 into aq. reg. By two other diftillations he 

 got fp. nitr. When oh vitr. was added to- 

 it, there happened a violent ebullition, and 

 aq. reg. was diftilled from it. By the affift- 

 ance of quick-lime a fmall quantity of fp. 

 vol. urines was got. It appears again to 

 contain an oily fubflance, earthy matter, 

 volatile fait in a fmall quantity, fome of 

 the marine acid, and a great deal of fp. 

 nltr. It is eafy to account from whence 

 it has got the inflammable matter and vo- 

 L 2 latile 



