32 THE GROUSE DISEASE chap, iii 



Measurements made of the organisms in cover- 

 glass preparations, dried and stained, give the follow- 

 ing figures : — 



The spherical forms are 0.4 /^^ in diameter ; 



The oval forms are 0.6 /a long, 0.4 /* thick ; 



The rods and cylindrical forms 0.8-1.6 /i long, 

 0.4 /i thick. 



I /i=o.ooi millimetre, or about -^^^^ part of an inch. 



