ACCOUNT OF NEW BOOKS. <£23 



Whether (heltering the trunks by matting, or other effectual 

 means might caufe the fuccefs of the fcheme, and recommends 

 the experiment. 



The fociety of agriculture/ commerce, fciences and arts 

 at Chalons, in the department of the Marne, have repro* 

 pofed the following prize queftion, to which no fatisfactory an- 

 iwer was received laft year. 



" What defcription of ufeful plants of any fpecies, can Prize queftioa 



be made to grow on the moft barren foils, fuch as thofe of the * ] * nts f ° r 



° barren foils* 



ancient Champagne (or department of the Marne) which 



prefents little or no vegetable earth, above a chalky or fandy 



tufa ?" 



In confequence of the importance of the queftion, the . 



fociety have increafed the value of the gold medal, from 1000 



to 1500 grammes of (ilver, or 300 livres ; it is to be decreed 



at the public fitting of the Society, on the 1ft of Vendemiaire 



in the 12th year. 



ACCOUNT OF NEW BOOKS. 



Refearches into the Properties of Spring Water with Medical Lambe on fpring 

 Cautions (illujlrated by Cafes) againji the Ufe of Lead in the water * 

 Conjlruclion of Pumps, Water Pipes, Cijierns, fyc. By 

 William Lambe, M. D. late Fellow of St. John 's College 

 Cambridge, pp. 204. London, 1803. 



JL HE object of this work is an inveftigation of the qualities 

 accidentally acquired by water, which render it in many in- 

 fiances injurious to health. Of thefe, lead is a principal 

 caufe, which in whatever form it is introduced into the human 

 body, is equally deleterious and fatal. In treating of this 

 poifonous metal as a receptacle or conductor of water, he 

 fliows how it is acted on by it and air, fo as to be capable of 

 fufpenfion in the fluid, by which means it is received into the 

 alimentary canals, and conveyed to every part of thefyftem. 

 Hence arife difeafes, which from their caufe being unfuf- 

 pected, and confequently fuffered to continue its effects, are 

 unconquerable by medical ikill. Many inftances of this de- 

 fcription are given, fome of which were removed by change 

 of refidence, and recurred on the return of the patient, nor 



were 



