gi^c Jlgrtcvtffuraf gournaC 



AND MINING RECORD. 



Vol. IV. FRIDAY, MAY 24, 1901. No. 6. 



The Journal is issued fortniarhtly. i.e.. every second Friday. Communications to be addressed to 

 the Editor " Agricultural Journal," Department of Agriculture, Maritzburg. 



The Journal may be obtained from the Publisher, Mr. WM. WATSON, upon payment of an 

 Annual Subscription of 5s. With the exception of the Portuguese Colonies, the Journal is franked 

 to all parts of South Africa. 



Reading Cases for holding a year's issues of the " Agricultural Journal," leather back, cloth sides 

 26 strings, lettered on side, Is. 6d. each. Binding yearly volumes in cloth, 4s. each. 



CONTENTS. 



PAGE. 



District Reports ... ... 103 



Veterinary. 



Horse-sickness (continued), by H. 



Watkins-Pitchford, F.R.C.V.S. 161 



Veterinary work at Uganda ... 178 



Agriculture. 



The April Rainfall ... ... 163 



Mangoes ... ... ... 180 



Poultry. 



Hints ... ■ ... 181 



PAGE, 



Dairy, 



Dairying in Australia : Hon. F. R. 



Moor's Impressions ... ... 169 



A Bye-Product ... ... 184 



Miscellaneous. 



Mooi River Trout (Illustrated) ... 177 



Rain-making ... ... ••• 181 



Accumulation of Trout in Natal. — 



Report of Dr. Gilchrist ... 185 



Market Reports ... ... 168 



HorsC'Sickness In vesiigaiions . 



By H. Watkins-Pitchford, F.R.C.V.S. 



{Continued.) 



ANOTHER fact, practically the outcome 

 of observation, is that if stables 

 are kej^t filled with pungent smoke 

 during the night the animals so protected 

 remain free from the disease. Use has 

 been made of this fact in large stables 

 frequently, but in an empirical manner 

 when regarded as a precaution against 

 insect attack. The use of smoke (or 

 "smudges") against the attack of the 

 mosquito is well understood in America 

 and elsewhere. 



The point of attack is conjectural, as 

 indeed are all these speculations concern- 

 ing this theory of the cause of liorse-sick- 

 ness. Probably the more thinly covered 

 parts of the body are generally selected, 

 though from the usual habit of the 

 mosipiito the lower leg would be more 

 likely to be attacked. The suggestion 

 that some selective power is exerted by 

 the mosquito causing it to attack the 

 head and thin skin over the eyes — it 

 being here that the first objective symp- 



