34 Mites Injiirious to Domestic Animals. 



and Henry state that treatment is easy ; much washing and bathing 

 should be avoided ; the fur on the affected parts should be cut 

 and the crusts well rubbed with black soap ; the diseased places 

 should then be washed, carefully dried, and treated with some 

 suitable ointment. 



FIG. 16. 



Cytoleichus nudus (p. 59). An internal parasite of the domestic fowl. 

 Ventral view of female, X 136. (Original.) 



The variety of Sarcoptes found on the rabbit can be -transmitted 

 to the guinea-pig and ferret. 



Mange in Horses. Horses suffer from three different kinds 

 of mange, viz., the sarcoptic (sometimes called scabies), psoroptic, 

 and chorioptic (or symbiotic). The first of these is much the 



