Vol. nr. MifcelUnenCuriofa. 299 



iikewife loft with my other things. Yet I 

 have begun afrefli for there are more fig- 

 nal Variations in the Weights of Urines 

 than one would at firft: imagin and when 

 the Eye can difcover little, but judge two 

 Urines to be alike, they may be found to 

 differ very much as, to Weight. By Weight 

 I find Obfervations may^ be made of AfFe- 

 ftions in the Head, which rarely make a- 

 ny vifible Alterations in the Urine. \ 

 have found two Urines not niuch unlike 

 differ two and twenty Grains in the, quan- 

 tity of about four or five Ounces : But 

 let them that make thefe EiTays weigh 

 all their Urines when cold, left' they be 

 thereby deceived. But to return to the 

 Spring Waters in Virginia. There's a Spring 

 at my Lady Berklefs^ called Green-Springy 

 whereof I have been often told, fo yery 

 Cold, that 'tis dangerous drinking thereof 

 in Summer-time, it having proved of 

 fatal Confequence to feveral. I never 

 tried any thing of what Nature it is 

 of. 



There be many petrefying Waters and 

 indeed I believe few of the Waters but 

 participate of a petrifying Quality, tho^ 

 there be few Pebbles or paving Stones to 

 be found in all the Country. But I have- 

 found many Sticks with crufly Con- 

 gelations round them in the Ruins of 

 Springs, and Stones figured like Honey- 

 Combs, with many little Stars as it were 

 fnot in the Holes* And nothing is more 

 common than petrefy'd Shells, unlefs you 



\yould 



