sion is also liiuhly ctli 

 of an iiiti-slt-<i poult ly lioiisc. Tlio i,ci-.li,-s and nc! 

 should l)c sii-nhhrd willi a slioii- soliilioii of wash! 

 soda oi- lye 01- scalded with hot water. If this ire 

 meiit is cairied out and if the poultry house is whi 

 washed two or three times a year there will he Hi 

 irouhle in keriiini; the fowls free from lice. 



3. MITES AND TICKS. 



These pfirasites are nsually, though iniproi)erly, de- 

 scribed as lice. They are exceedirgiy annoying to all 

 kinds of poultry and sometimes cause such loss of con- 

 dition that lice are suspected but none can be found. 



THE COMMON POULI^RY MITE, the Dermanyssus 

 gallince, is a small, oblong parasite, about I-:'.:.' of an 

 inch long and 1-70 of an inch broad. It it inovided 

 with eight legs and each foot has two claws. 



The abdomen is sui'i-ounded by short bristles. The 

 color is yellowish or brownish, but when the animal 

 is full of blood it becomes dark brown or dull red. 

 The back sometimes shows little white spots. This 

 parasite is one of the most destructive known. It af 

 fects all varieties of domestic fowls and sometimes 

 when ]iresent in large numbers passes to other ani- 

 mals, cattle, dogs, cats, horses and sometimes to peo- 

 ))Ie. One of the striking peculiarities in regard to it 

 is that it does most of its work at night. Upon the a[)- 



