414 



PARASITISM AND DISEASE IN RUFFED GROUSE 



special collectors during the siummcr iiKuiths. These birds were placed in cellophane sacks im- 

 mediately after shooting so that ticks would not escape in transit. They were found on about 

 26 per cent of 190 grouse chicks from the Adirondack region and ai)out 6 per cent of 510 

 from the Catskill region and the rest of the Slate. The number of ticks on a grouse was also 

 higher in the Adirondacks. averaging 38 there and five in the other regions. The greatest 

 number found on Adirondack birds was 300 while in other regions 26 was the maximum. 



TMKKK KXIKHWI. l>\li\sn'KS f)!' TlIK RUFFED GROUSE AND THE SOWBIC. INTERMEDIATE HOST OK 



THE ST()\I\(TI WORM f Dls/iliai vrix ) 



Sntvhii/; ( I'orrellio srabrr) 

 Louse Fh < Lynchia americana) 



HirtI I.tiiise I I.ngnpoerus perplr.xiis) 

 Bird Tick I Haemaphy.salis chonlrilis) 



