Sinde, 23 Sitter, 141 Skerne, 162 Skippon, 101 Slaan, 77 Slaney, 77 Sneidbach, 52 Snyte, 52 Soar, 55 _Soastus_, 98 Soeste, 98 Soja, 119 Solman, 166 Somme, 119 Sora, 55 Sorg, 55 Sosna, 98 Sosterbach, 99 Sosva, 98 Souza, 98 Sow, 59 Söve, 59 Spean, 103 Spear, 103 Speier, 103 Spey, 103 Sprazah, 103 Spree, 103 Sprenzel, 104 Spressa, 104 Sprint, 103 Sprotta, 103 Stör, 58 _Storas_, 58 Stort, 58 Stour, 58 Streu, 58 Stroud, 58 Strumon, 171 Stry, 58 Stura, 58 Styr, 58 Suchona, 119 Suck, 59 _Sucro_, 59 _Suevus_, 101 Suippe, 101 Suire, 59 Sula, 165 _Sulgas_, 165 Sullane, 165 Sulm, 166 Sur, 55 Sura, 55 Sure, 55 Suren, 56 Suss, 98 Sutledge, 26, 98 Sutoodra, 98 Suusaa, 98 Suzon, 98 Svart, 150 Svir, 55 Swale, 165 Swelly, 165 Swilly, 165 Swords, 56 _Syrmus_, 171 Szala, 151 Ta (Loch), 135 _Tabuda_, 135 Tacon, 107 Tamar, 135 _Tamaris_, 135 Tambre, 135 Tame, 135 Tamuda, 136 Tamyras, 136 Tana, 135 Tanagro, 136 _Tanais_, 135 Tanaro, 135 Tanger, 136 _Tanus_, 135 Taptee, 135 Tara, 149 Tardoire, 105 Tarf, 69 Tarisa, 149 Tarn, 149 Taro, 149 Tartaro, 105 _Tartessus_, 105 Tarth, 105 Tauber, 37 Tavda, 135 Tave, 135 Tavus, 135 Tavy, 134 Taw, 134, 135 Tay, 135 Teane, 135 Tearne, 149 _Tearus_, 179 Tees, 106 Teesta, 107 Teign, 135 Tema, 135 Teme, 136 Temes, 136 Tengs, 136 Termon, 155 Tescha, 107 Tessin, 107 Test, 107 Teviot, 135 Thames, 136 Thaya, 136 Theiss, 107 Thiele, 106 Thur, 37 _Tiasa_, 107 Ticino, 107 Till, 105 Tilse, 106 Tim, 135 Timao, 135 _Timavus_, 135 Tivy, 135 Tollen, 106 Tom, 135 Torre, 37 Tosa, 107 Töss, 107 Touse, 107 Touvre, 37 Towy, 36 Trachino, 71 _Tragus_, 70 Traun, 69 Trave, 69 Trebbia, 69 Treja, 70 Trent, 141 Trento, 141 Trome, 70, 155 _Truentius_, 141 Truim, 70, 155 Tura, 37 Turija, 37 Turuntus, 141 Twiste, 158 Tzna, 52 Uda, 176 Ufa, 176 Ui, 177 Uist, 158 Ulla, 89 Ullea, 89 Ulster, 89 _Umbro_, 28 Umea, 28 Unstrut, 58 Upa, 176 Ural, 40 _Urius_, 39 Urjumka, 122 Ursel, 78 Usk, 31 Uste, 158 _Uxella_, 31 Vaga, 63 Vagai, 63 _Vahalis_, 63 Vakh, 63 Varano, 78 Vardar, 79 Varde, 79 Vardre, 79 Varese (Lake), 78 Vartrey, 79 Vayah, 63 Vegiaur, 64 Vegre, 63 Vehne, 146 Veile, 90 Veistritz, 158 Vel, 90 Velez, 91 Velino, 91 Vellaur, 91 Vendée, 146 Vent, 145 Ver, 77 Verdon, 79 Vesdre, 158 Vesle, 158 Vever, 64 Veveyse, 64 Viaur, 63 Vie, 63 Vienne, 63 Vig, 63 Vilia, 90 Viliu, 90 Villa, 90 Vilna, 90 Vils, 91 Vindau, 146 _Vipasa_, 64 Vire, 77 Vistre, 158 Vistula, 158 Vlie, 65 Vliest, 66 Vliet, 66 Vodla, 34 Vosges, 63 Waag, 63 Waal, 63 Wandle, 146 Warnau, 77 Warta, 79 Watawa, 34 Waveney, 63 Waver, 63 Wear, 34 Weaver, 64