AND ITS RELATION TO ANIMAL LIFE 79 



goats or sheep. At the same time it is very 

 unhealthy for all other kinds of stock, cattle 

 being very liable to lung sickness, redwater, 

 (some taking heartwater), and to diseases 

 locally known as gall sickness, and bush sick- 

 ness, while calves are very liable to a disease 

 known as liver sickness. 



It is also very unhealthy country for horses, 

 many dying of horse sickness, which Dr. Eding- 

 ton, the Government Bacteriologist, says is 

 very similar in internal appearance to heart- 

 water and biliary fever. 



In all these diseases more or less the same 

 symptoms are found, namely, either a dark or 

 black blood or a thin and watery one, in either 

 case more or less non-coaguable, internal organs 

 inflamed with high fever, and in heartwater 

 the internal fat, instead of being a snow white, 

 as in the case of healthy sheep, is more or less 

 dark and dingy, and of so abnormal appearance 

 that unless one has seen the animal opened it 

 is hard to believe that it could have been taken 

 from an animal. 



Heartwater, for various reasons, is the worst 

 stock disease in Cape Colony. It has been 

 definitely known as a disease for about thirty 



