Abstract
A hemagglutinin was produced by strains of Conidiobolus which also produce beta-N-acetylglucosaminidase. Activity of the hemagglutinin was inhibited by D-glucosamine, N-acetyl-D-glucosamine, D-mannosamine, and beta-N-acetyl-D-glucosaminides but not by D-glucose, D-mannose, and alpha-N-acetyl-D-glucosaminides.