I9i3j Sweet: Epithelioma of the Common Fowl 47 



Serum from fowl fifteen days after inoculation (lesions on comb well 

 developed). 



lint of spr\ini in ci-ni. Result 



Some sediment, supernatant fluid 

 cloudy, marked contrast to normal 

 Haemolysis complete 

 Considerable fixation 

 Haemolysis complete 

 Considerable fixation, marked when 

 contrasted with No. 5, table 1 

 6 0.6 Slight fixation 



3. Serum from fowl eight days after inoculation on comb, lesions 



extensive, about half as thick as a pea. 



No. Amount of serum in ccm. Result 



1 0.2 Considerable fixation 



2 0.2 Nearly clear, haemolysis complete 



3 0.4 Considerable fixation 



4 0.4 Haemolysis complete 



4. Serum from fowl teu days after inoculation on the comb. 



No. Amount of serum in rem. Result 



1 0.2 Complete haemolysis 



2 0.2 Complete haemolysis 



3 0.6 Marked fixation 



4 0.6 Nearly complete haemolysis 



5. Serum from fowl six days after intravenous injection of 1 ccm. of a 



physiological salt emulsions of ground scabs 



n com. Result 



Complete haemolysis 

 Complete haemolysis 

 Considerable fixation 

 Complete haemolysis 

 6 and 7 — Complete haemolysis 

 9 and 10 — No haemolvsis 



