Fig. 1

Induction of hemagglutination activity in the hemolymph agglutinin of Paratelphusa jacquemontii by administration of untreated, trypsin treated and asialo rabbit erythrocyte. Graph represents median HA titer values from 10 determinations with the administration of 0.1 ml untreated (control), trypsin (1 mg/ml) and neuraminidase 100 mU/100 µ enzyme treated 10 % suspension of rabbit erythrocyte in PBS (0.01 M sodium phosphate, pH 6.9 and 0.145 M NaCl)