, M, Ml 



<i<w of urine w *% a pale velkitr, 

 and it* j/ -.ity rather higher than water. It ha* a 



peculiar odour. When first dttcharged, it w sensibly acid, 

 y reddening vegetable blue*, but in a fcbort time it 

 buffers decotnpoettion, arnrooni;; '-ed, the excea*of 



acid is neutralised, and alkaline properties predominate. 

 Such it the case with the urine of man and many qua- 

 drupeds, but VAIWKMN found that of the lion and 

 tiger alkaline, owin# to the excess of ammonia *. It b not 

 determined which of the acids existing in urine, are in an 

 uncombiiied htate, the uric, phosphoric, acetic, lactic, ami 

 carbonic acids fiaving been acce*iveJy referred to, as occa- 

 sioning the change in vegetable bluesf. 



In the urine of different specie* of quadrupedw, nearly 



lay* it down M a rule, CAoaal* of PhiL ii. 206.) that ail 

 the excreted awdB, mefa urine, are ackL The aJkalioe natare of the tirioc 

 pf the lion and tiger, however, furnish a rtriking exception. 



r>e fojlowjof are th ingn*mt* ***&** in a 1000 part of arfae s 

 Water, . .... f33LOO 



10 

 Kolphat of potab, . ... 



FlMMfkat of 



Mtiriat of oda, .... 



Ffr**fffnf ff MMBffitfa^ . . , :.'. ; 



Moriat of atmnooia, ..... J-X) 



Free lactic acid, lactat of ammonia, animal matter 



In ala>boi,-area D^ separable from the 



. 17.14 



Earthr phosphate, with a trace of fluat of Jiint, . 1 .00 



-xad, . . J.OO 



Me of the Madder, . 



..... 



1000.00 

 ud* of Pha ii, p. 4t 



