240 



pofed to th 



MANURES. Sect. X. 10.4: 



^ 



And I fufped, that the excrement and the bodies 



of fuch infeds would fupply more nutriment to vegetable roots, thai 

 if the vegetable recrements were left to their fpontaneous or chemi 

 cal diflblutlon ; as I fuppofe the bitter excrementitious powder in 

 £lbert, and the well fed ma 

 fertilize more barren 



before it erodes its way out, would 



foil than an emulfion of thp kernel. 

 An ingenious obferver of nature conveyed water on a dunghill 



the fummer months in fuch quantity 



mak 



kind of femi 



fluid ch 



for the purpofe of animating the whole mafs 



It be 



came full of infedts, and was ufed in the autumn as manure, and h 

 believed with much greater powers, than it would have otherwife 

 poirefTed. 



Hence in the fummer months a manure-heap may be advant: 

 oufly fupplied with water for the purpofe of encouraging the propa 

 gation and nourifhment of myriads of infers ; but in the winter fea 



c 



x<f 



fon it (hould not be expofed to much moifl: 



that which d 



from it (hould be derived fpontaneoufly on lower grounds 



yed to higher ones by pump 



carts 



probably 



fifts of a folution of carbon by means of vegetable alkali ; or of a mix- 

 ture of it in water by mucilage; and is thought to fertilize the 

 ground more than the other parts of the manure heap. In the tran- 

 fadions of fome provincial Society there is an account of much fixed 

 vegetable alkali having been obtained from the evaporation of the wa- 

 ter, which oozed from dunghills ; and M. Rouelle has obferved, that 



fixed alkali diflbl 



a 



fiderabl 



Fourcroy's Elem. of Chemift. Vol. IV. p. 125 



quantity of charcoal by fufion 



4. Another g 



fou 



of infe<5l-manur 



tnay be obtained from 



the myriads of fmall fifli, by thofe who live near the ocean ; which by 

 mixing them with foil fo as to make what is termed a compoft, will 

 much add to the fertility of the land, on which it is afterwards fpread, 

 more fo perhaps than any other material except the flefli of land-ani- 



> In China it is faid that the fpawn of fifh in the proper feafon 



mals 



IS 



» 



/ 



