25 



IHOiuli of (l;i,v it leaves its vicliiii and retires to a da 

 secluded spot. A.s],aee heiKMlli ll.e end of llie pel 

 or under the nest or between llie ci-aiks of the W, 



The Red Pocltrt Mite. 

 Dermanyssus gaUinoe— Female— 80. times^natural size. 



or walls may sometinios contain a large number of 

 these parasites, both male and female, together with 

 a quantity of eggs and young. They multiply so raji- 

 idly that after a few have been introduced into the 

 poultry honse ii may b'lnmi' overrun within a few 

 weeks. Iliis mile is \ciy resistant and difficult to de- 



In contradistini tion 



bit of tlie bird lice 



