22 Mites Injurious to Domestic Animals. 



mange often almost completely disappears, to return again when 

 the animals are housed during the winter months. 



Psoroptic mange in the horse is dealt with on page 34. 



FIG. 6. 



Ventral view of male of Chorioptes [ = Symbiotes], from foot of 

 sheep, X 195. (Original.) 



Genus Chorioptes, Gervais, 1859. 



(Syn. Symbiotes, Gerlach, 1857, name pre-occupied.) 



In the mites of the genus Chorioptes the suckers of the legs are 



borne on quite short unsegmented peduncles (fig. 2 a) ; the abdomen 



of the male terminates in paired lobes bearing hairs, two of which 



