[ 4 6o ] 



about the fixth of a pint; a very flight cloudinefs 

 immediately enfued, but no precipitation was after- 



wards obfervable. 



Experiment III. 



Six drops of a folution of fait of tartar occafioned 

 a cloud inefs, juft perceptible, in the fame quantity ot 

 water; no precipitation enfued. 



Experiment IV. 



Six drops of a folution of faccharum faturni im- 

 mediately produced a milkinefs in the water, but 

 no fenfible precipitation. 



Experiment V. 



Six drops of a folution of filver in the nitrous acid 

 inftantly occafioned a milkinefs in the water ; and 

 after {landing an hour, a grey powder was obfervaf 

 ble at the bottom of the glafs. 



Experiment VI. 



Ten drops of the infufion of galls neither pro- 

 duced any change of colour in the water at the 

 time they were added,, nor was the flighteft purple 

 hue perceptible two hours afterwards. 



Experiment VII. 



A piece of paper befmeared with fyrup of violets 

 was dipped into a glafs full of water; no change of 

 colour enfued. 



Expe- 



