GEELACH ON THE ITCH AND MANGE. 



175 



in relative size, and the following table shows the proportion 

 they hold to each other in breadth and length: 



The chief symptoms of scabies in the dog consist in the 

 development of red spots like flea-bites, the formation of 



Fig, 191. (GEULACH.) Sarcoptcs sui.s. 



