318 THE GROUSE IN HEALTH AND IN DISEASE 



during the past thirty-nine years. Where reports were received 

 from the same centre in more than one year additional dots 

 were marked as close as possible to the correct spot upon the 

 map, and thus, though the maps are useful as showing the 

 general distribution of mortality, they must not be regarded 



MAP SHEWING THE PRINCIPAL CENTRES OF OUTBREAKS OF GROUSE 



DISEASE IN SCOTLAND DURING THE PERIOD FROM 1872 TO 1909 INCLUSIVE. 



as a reliable guide to the exact position of the moors on which 

 the outbreaks occurred. 



In spite of the fact that the reporting in some centres was 

 better organised than in others, it will be seen that during 

 the period under review the mortality has been impartially 

 distributed amongst the Grouse-producing districts of Scotland, 



