Skin Diseases. 



285 



Fig. 57. 



Fig. 60. 



Fig. 58. 



Fig. 61. 



Fig. 59. 



Fig. 62. 



Fig 57 — Hsematopinus of Horse and Ass. Fig. 58 — Haematopinus of Ox. 

 Fig. 59 — HEematopinus of Calf. Fig. 60 — Hsematopinus of Dog. Fig. 

 61 — HiEmatopinus of Pig. Fig. 62 — Trichodectes of Horse. 



They may be safely treated by sprinkling with powdered 

 wood ashes or by rubbing with sulphur ointment or whale- 

 oil, with water saturated with petroleum or kerosene, or 

 with a solution of sulphuret of potassium or lime (4 oz. tc 

 1 gall, water). Clean the buUdings, clothes, etc., as foi 

 fleas. 



