4? 



Mites Injurious to Domestic Animals. 



be prepared in small quantities by mixing 2J Ib. of sulphur with 

 1 Ib. of good quicklime in a bucket, making into a paste, and boiling 



r 



FIG. 24. 



Pterolichus obtusus (p. 64), a feather mite from domestic^ 

 fowl. Male from below, s 



in two gallons of water until a dark red-brown solution is formed. 

 Boiling will take about three hours ; the whole must be kept well 

 stirred during the process and made up to two gallons at the end. 



