♦- 



190 



MANURES. 



Sect. X. i. 4 



fel 



table and animal fubflances by a chemical procefs with 



m 



ves. 



du(5led in the h 



of ninety 



d 



with a d 



^V ^*i>^'- "^5"-«-o, Willi a UUC 



quantity of water, and a perpetual agitation of the ingredients ; which 



both mixes them 



fl 



d appl 



m 



the mouths of the abforbent 



which furround th 



flomach 



of animal or vegetable recrem 



Whereas a vegetable being hav 

 ffitated to wait for the fpontaneous decompofit 



continually i 





hich is indeed 



I 



mg on m thofe foils, and climates, and in thofe feafons of the year 



which are mofl: friendly 



but is in other fituations, and 



in other feafons, a flow procefs in a degree of heat often as low as 

 forty of Farenheit, (in which the reindeer mofs, mofchus rangiferinus, 



beneath the fnow in Siberia,) and often without an adapted 



quantity of 



due fluidity, or any mechanical locomo 



tion to prefent them to the abforbent mouths of their roots ; or in ft 

 worfe fituations adult vegetables are neceffitated ftill more flowly to 

 acquire or produce their nutritive juices from the fimpler elements of 

 air and water, with perhaps the folutions of carbonic acid and cal- 

 careous earth, and perhaps of fome other matters, with which one or 

 more of them abound. 



But M. Haffenfratz found, that the vegetation of thofe plants was 

 imperfea, which had not been futFered to grow in contaft with the 

 earth ; as they never arrived at fuch maturity as to prod 



and were found on analyfi 

 other plants of the fame kind 

 cinths, kidney-beans, and 



reffes 



ice fruit 



lefs portion of carbon, tha 



The experiments were tried on hya 



Hence the other great difference, which exifts between thefe two 

 extenfive kingdoms of nature, is, that the larger and warmer blooded 

 animals certainly, and I fuppofe all the tribes of infers, and of colder 

 blooded creatures alfo, can not exift long on air and water alone, ex- 



pt in their ftate of hibernal torpor. The neareft approach to this is 



however feen in fome fevers, wh 



been taken for 



week or two, and yet the patient has recovered : and th 



attefted 



r 



