I 



DISEASES OF THE OX AND SHEEP. 591 



PITYRIASIS. 

 Pityriasis is the name given to a scurfy condition of the 

 skin most frequently seen in young animals. A mild sedative 

 ointment and a change of diet are to be recommended. 



NiEVUS. 

 Nsevus is the name given to a slight swelling or tumour 

 composed of blood-vessels. There is also generally some hyper- 

 trophy of the superficial layer of the dermis. 



WARTS OR ANGLE BERRIES. 

 Warts or angle berries vary in size from that of a pin's head 

 to that of a large apple. They should be carefully removed by 

 means of the knife or the ecraseur, and the bleeding, if necessary, 



V\ 



Fig. 77. — ^^kaseub. 



may be stopped by the application of the hot iron. They may 

 also be removed by ligature, 



ALOPECIA. 



Alopecia, or falling off of the hair, may sometimes be cured by 

 mild repeated stimulation, such as by tincture of cantharides. 



(EDEMA. 

 (Edema, or anasarca, or dropsy of the subcutaneous tissue of 

 the lower parts of the body, is not very rare in cattle. Careful 

 nursing, rubbing with the hand, and the administration of small 

 doses of digitalis may do a great deal of good. 



EMPHYSEMA. 

 Emphysema is the name given to a condition of the skin 

 caused by the escape of gases resulting from decomposition into 

 the subcutaneous areolar tissue, as may be seen in some cases of 



