714 



DISEASES OF THE SKIN. 



Fig 134. — Sarcoptes ovis, from above. Fig. 135. — Sarcoptes ovis, from beneath. 



(After KOCHENMEISTER.) 



M.VNGE IN THE FIG 



Is due to the presence of the sarcoptes suis (see Fig. 136) which 

 was discovered by Gurlt, and afterwards seen by Hertwig and 

 Gerlach. — (Gamgee.) It is transmissible to man. 



MANGE IN THE DOG. 



Dog mange is due to the presence of the sarcoptes canis. The 

 disease is transmissible to man, but it is not yet shown whether 

 it can be communicated to other animals. 



