

cock's hackles ; boil them together in 

 rain water in an earthen pitcher until 

 they become the color of the willow- 

 bloflbm. Or, dilate nitrous acid with 

 water in a glafs, until it will" but juft 

 effervefce with brafs filirgs, in which put 

 the hackles, and in a few minutes you 

 will obierve them change color, which 

 as foon as you difcover, take them out, 

 and plunge them into a folution of pearl 

 afhes, thinly diluted with water, in a- 

 nother tumbler : this will brighten the 

 color that the acid made, and prevent 

 the feathers being corroded by it. The 

 acid alone will make the feathers a 

 beautiful color, but unlefs it is correct- 

 ed by an alkali, they will become too 

 tender to be fit for ufe. 



The ORL FLY. 



Appears about the twentieth of May, 

 continues to the end June, and may be 

 ufed all hours of the day. Has four 

 wings, which lie clofe on its back ; 

 the body, which is rather large, mud 

 be made of that part of a peacock's 



oil 



