Sampling (2)--13
    ecological (3)--38
Sampling methods and environmental factors (3)--37
Saprolegnia (38)--599
    collections named by genus only (38)--649
    excluded taxa (38)--652
    imperfectly known species (38)--651
    key to species (38)--601
    species of (38)--604 et sqq.
        androgyna (38)--652
        anisospora (38)--642
        asterophora (38)--605
        australls (38)--609
        bernardensis (38)--652
        blelhamensis (38)–608
        candida (38)--652
        capitulifera (38)--652
        corcagiensis (38)--652
        debari (38)--653
        dichotoma (38)--653
        diclina (38)--627
        dioica form pseudodioica (38)--654
        dioica Pringsheim (38)--653
        dioica-racemosa (38)--654
        dioica Schröter (38)-653
        divisa (38)--654
        eccentrica (38)--644
        elongata (38)--654
        exigua (38)--654
        ferax (38)--619
        furcata (38)--616
        glomerata (38)--617
        hypogyna (38)--610
        invaderis (38)--655
        irregularis (38)--612
        itoana (38)--640
        Kauffmaniana (38)--655
        lactea Pringsheim (38)--655
        lactea (Roth) Braun (38)-655
        latvica (38)--655
        libertiae (38)--655
        litoralis (38)--633
        luxurians (38)--645
        megasperma (38)--638
        minor (38)--655
        mixta forma agama (38)--656
        monoica var. ocelleta (38)--656
        monoica var. tortipes (38)--656
        mucophage (38)--656
        papillosa (38)--657
        parasitica var. kochhari (38)--657
        philomukes (38)--657
        prolifera (38)--658
        quisquiliarum (38)--658
        richteri (38)--645
        saccata (38)--658
        schachtii (38)--658
        Scoliolegnia depauperata (38)--660
        siliquaeformis (38)--658
        spiralis (38)--659
        spiralis ver. Charkoviensis (38)--659
        sp. 12241 (38)--648
        subeccentrica (38)--607
        tenuis (38)--659
        terrestris (38)--635
        toruloides (38)--659
        torulosa (38)--625
        truncata (38)--604
        turfosa (38)--613
        uliginosa (38)--615
        unispora (38)--637
        varlabilis var. Charkoviensis (38)--659
        xylophila (38)--660
Saprolegniaceae (31)--452
    description of (31)--455
    general characteristics (1)--2
    genera of (historical) (1)--12
    infrafamilial taxa (31)--454
    introductory remarks (31)--452
    key to genera of (31)--456
Saprolegniosis (29)--405
    associative effects (29)--425
        parasites (29)--425
        ulcerative dermal necrosis (29)--426
    control of (29)--428
        formalin (29)--429
        malachite green (29)—429
        miscellaneous methods (29)--430
        other chemicals (29)--430
        salt (29)--428
    factors affecting (29)--421
        injury (29)--424
        nonhydrographic factors (29)--424
        other hydrographic factors (29)--423
        oxygen (29)--422
        temperature (29)--421
    historical view (29)--407
    host range (29)--431
    infection (29)--410
        eels (29)--415
        histopathology (29)--412
        mucus layer (29)--413
        serology and enzymology (29)--414
        toxins (29)--414
    internal mycoses (29)--420
    macroscopic and histological signs (29)--410
    other fungal agents (29)--419
    primary etiologic agent ( 29)--417
    the fungus (29)--416
Seasonal classification (5)--80
    Secondary sporogenesis (7)--111
    planonts (8)--126
    spore emergence (7)--112
Septum development (7)--107
Sexual reproduction, physiology of (20)--283
    oogonium and antheridium (20)--283
        parasitic species, chemical factors (20)--287
        saprotrophic species, chemical factors (20)--283
    oospores (20)--293
        other factors (20)--294
        temperature effects (20)--293
    physical factors (20)--290
        light (20)--291
        oxygen (20)--292
        pH (20)--292
        temperature (20)--290
Sommerstorffia (33)--465
    sp. (33)--467
    spinosa (33)--465
Special culture methods and media (2)--27
Sporangial morphology and dehiscence (7)--104
Sporangium development (7)--106
    Aphanomyces species (7)--112
    general pattern of formation of (7)--106
    Geolegnia species (7)--114
    Leptolegnia species (7)--113
    physico-chemical aspects (7)--115
    Sommerstorffia (7)--114
    variations in (7)--112
Spore discharge, mechanism of (8)--118
    Aphanomyces and Plectospira (8)--125
    Dictyuchus (8)--125
    Leptolegnia (8)--125
    Thraustotheca and Brevilegnia (8)--124
Spore, general ultrastructure of (14)--205
    cyst wall (14)--211
    encystment (14)--209
    exeystment and encystment (14)--206
    flagella (14)--208
    flagellum loss (14)--209
    germination (14)--212
    microtubular flagellar roots (14)--207
    mitosis (14)--208
    organelle reversion (14)--210
    primary spore extrusion (14)--211
Sporogenesis (8)--117
    cysts (8)--127
    flagellar retraction (8)--129
    motility (8)--128
    primary spores (7)--107
        homogeneous stage (7)--109
    repeated emergence (8)—132
    responses by pathogens (8)--135
    spore behavior (8)--130
    tactic responses (8)--132
Suprafamilial classifications (1)--10