2 2 Mites Injurio7is to Domestic Animals. 



mange often almost completely disappears, to return again when 

 the animals are housed during the winter months. 



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



Fig. 6. 



Ventral view of male of Ghorioptes [= 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 Ghorioptes 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 



