Calyptralegnia (42)--731
    excluded taxon (42)--733
    key to species (42)--731
    species of (42)--731 et sqq.
        achlyoides (42)--731
        ripariensis (42)--732
        sp. (42)--733
        unisperma var. litoralis (42)--733
Chemical environment and growth (16)--237
    toxins, antibiotics, inhibitors (16)--237
Collection, culture, methodology (2)--13
    special, methods (2)--18
Couchia (32)--461
    key to species (32)--462
    species of (32)--462 et sqq.
        amphora (32)--462
        circumplexa (32)--463
        limnophila (32)--463
Crayfish plague (30)--433
    causal agent (30)--434
    control (30)--440
    disease characteristics (30)--435
    dissemination (30)--440
    economic impact (30)--442
    host range (30)--440
    inoculation (30)--435
    penetration, reaction, defense (30)--436
        epicuticular penetration (30)--437
        melanization (30)--438
        resistance reactions (30)--439
Culture storage (2)--31