THE MANGE OF THE DOG. 61 
lost to apply the proper remedies, as the presence of such 
itch-mites will affect the health of the invaded animals. 
Early treatment of such cases is all important, and iy the 
parasites are detected soon after having found a home upon 
the sheep, a thorough application of scab-dips or ointments 
will destroy them. In cases of longer standing the scabs 
have to be softened and loosened by some kind of grease or 
oil before the dip is applied. 
A number of different dips will be given later under 
ssheep-scab. | 
THE MANGE OF THE DOG. 
(Sarcoptes scabiei var. canis). 
This disease is also caused by the presence of itch-mites, 
and can be cured in the same way as in other animals. 
THE SMALL ITCH-MITE. 
(Sarcoptes minor Fuerst.). 
This itch-mite causes the mange of cats and rabbits, and 
received the correspending names of S. cuniculi and S. cate. 

Fig. 32. Scab- 
mite of cat, male. Fig. 33. Scab-mite of 
Greatly enlarged. cat, female. Greatly 
Original. enlarged. Original. 
‘This parasite is considerably smaller, the male measuring 
0.18mm, in length and 0.14mm. in breadth, the female 0.25 
and 0.20, and the eggs 0.10mm. The female has alargenum- 
ber of long and very small scales upon the back, the male but 
afew. Thorns upon the thorax are not present, while twelve 
