6 



PAGE 



Rat riddance — Con. 



Rat slaughter — Con. 



Rat fumigation, ......... 73 



Carbon bisulphide in the burrows, ..... 73 



Other fumigants, ........ 75 



Rat viruses, ......... 76 



Rat shooting, .......... 78 



Rat drowning and clubbing, ........ 78 



Rat enemies, ........... 79 



Hawks, owls, etc., .......... 79 



Cat 80 



Dog, 82 



Ferret 83 



Rat driving and harrying, ......... 83 



Co-operative rat killing, ......... 85 



Summary, ............ 87 



