I 2 3 4 5 6 7 8 9 10 II 12 13 14 15 



days after collection 

 legend: 



HORSEFLY RIVER RED SALMON AGAINST CYTISUS SCOPARIUS BARK 



SOOS CREEK CHINOOK SALMON AGAINST CYTISUS SCOPARIUS BARK 



SOOS CREEK CHINOOK SALMON AGAINST ROBINIA LUXURIANS BARK 



-•-•— HOPE ISLAND CHINOOK SALMON AGAINST LIMA BEAN EXTRACT 



SOOS CREEK CHINOOK SALMON AGAINST RABBIT ANTI-CHINOOK 



ERYTHROCYTE SERUM 



Figure 1. --Variability of agglutination strength of various reagents with respect to storage age of red cells. 



13 



