INDEX.
(Ancient Names in Italics.)
- Aa, [28]
- Aach, [28]
- Aar, [39]
- Abana, [26]
- Acaris, [81]
- Achaza, [31]
- Adda, [34]
- Adenau, [34]
- Adour, [34]
- Adur, [34]
- Aenus, [27]
- Agger, [81]
- Aghor, [81]
- Agri, [81]
- Ahr, [39]
- Ahse, [31]
- Ain, [135]
- Aisne, [31]
- Aiss, [81]
- Aiterach, [35]
- Alass, [75]
- Alaunus, [71]
- Alb, [73]
- Albegna, [74]
- Alben, [74]
- Albla, [74]
- Albula, [74]
- Alces, [104]
- Aldan, [72]
- Alde, [72]
- Alf, [73]
- Alhama, [130]
- Alise, [75]
- Alisna [75]
- Allan, [71]
- Alle, [71]
- Aller, [71]
- Allia, [71]
- Allier, [74]
- Allow, [71]
- Alm, [130]
- Alma, [130]
- Alme, [130]
- Almelo, [130]
- Almo, [130]
- Alne, [71]
- Alpheus, [74]
- Alpis, [73]
- Alt, [72]
- Alta, [72]
- Alten, [72]
- Altmühl, [104]
- Alum Bay, [130]
- Alz, [75]
- Amasse, [29]
- Ambastus, [29]
- Amber, [29]
- Amble, [29]
- Amblève, [29]
- Amele, [29]
- Ammer, [29]
- Amnias, [26]
- Amon, [26]
- Andelau, [36]
- Andelle, [36]
- Angel, [81]
- Angera, [81]
- Angerap, [81]
- Angrus, [81]
- Anitabha, [35—Note].
- Anker, [81]
- Annas, [27]
- Ant, [35]
- Anton, [36]
- Anza, [27]
- Appelbach, [26]
- Apsarus, [27—Note].
- Apsus, [27]
- Arabis, [120]
- Aragon, [41], [176]
- Arak, [41], [176]
- Arar, [117]
- Aras, [78]
- Araxes, [78]
- Arc, [41], [176]
- Arga, [41], [176]
- Argen, [41], [176]
- Arius, [56]
- Ariminus, [122]
- Arke, [41], [176]
- Arl, [40]
- Arly, [40]
- Arme, [122]
- Armine, [122]
- Arno, [40]
- Arobeg, [164]
- Arosis, [78]
- Arques, [41]
- Arrabo, [120]
- Arrow, [39]
- Arsia, [78]
- Arun, [39]
- Arva, [109]
- Arve, [109]
- Ascania, [31]
- Ash, [31]
- Asopus, [92], [178]
- Aspe, [92], [178]
- Astura, [58]
- Au, [28]
- Aube, [73]
- Aulne, [71]
- Aune, [27]
- Aupe, [73]
- Aurach, [39]
- Auray, [39]
- Auve, [74]
- Aven, [26]
- Avia, [25]
- Aviz, [27]
- Avoca, [153]
- Avon, [26]
- Avre, [26]
- Awbeg, [164]
- Awe, [28]
- Axe, [30]
- Axius, [31]
- Axona, [31]
- Axus, [31]
- Bahr, [65]
- Bandon, [132]
- Bane, [143]
- Banitz, [148]
- Bann, [148]
- Bannock, [148]
- Bar, [65]
- Barrow, [65]
- Baunach, [84]
- Beaulieu, [178]
- Beauly, [178]
- Beela, [84]
- Behr, [65]
- Behrun, [65]
- Beina, [143]
- Beraun, [65]
- Bere, [65]
- Berre, [65]
- Beuvron, [84]
- Bever, [84]
- Biala, [150]
- Bialy, [150]
- Biberbach, [84]
- Bibra, [84]
- Bielaya, [150]
- Bièvre, [83]
- Bila, [150]
- Billæus, [85]
- Binoa, [82]
- Birse, [101]
- Blythe, [152]
- Bode, [132]
- Boderia, [132]
- Bogen, [138]
- Bogie, [138]
- Bolbec, [85]
- Bollaha, [85]
- Bord, [133]
- Bordau, [163]
- Bowe, [138]
- Boyle, [85]
- Boyne, [84]
- Bracht, [167]
- Braine, [167]
- Bramaue, [154]
- Bratawa, [167]
- Bratha, [167]
- Bray, [167]
- Breagna, [167]
- Brege, [167]
- Bresle, [101]
- Brettach, [167]
- Brosna, [101]
- Brothock, [167]
- Bucket, [138]
- Bug, [138]
- Buhler, [85]
- Buller, [85]
- Bullot, [85]
- Burzen, [101]
- Cædrius, [108]
- Cailas, [110]
- Cain, [144]
- Calbis, [113]
- Caldhowa, [112]
- Calder, [112]
- Caldew, [112]
- Callan, [110]
- Callas, [110]
- Callipus, [113]
- Calore, [110]
- Calpas, [113]
- Cam, [138]
- Candy Burn, [144]
- Cane, [144]
- Cann, [144]
- Cantiano, [145]
- Caresus, [114]
- Carpino, [97]
- Carpis, [97]
- Carron, [139]
- Cart, [159]
- Caveri, [167]
- Cayster, [68]
- Celadon, [112]
- Celydnus, [112]
- Cerbalus, [98]
- Cersus, [114]
- Cestrus, [68]
- Chalus, [110]
- Chalusus, [110]
- Cham, [138]
- Char, [139]
- Charente, [139]
- Chares, [139]
- Chelt, [112]
- Chelva, [113]
- Cher, [139]
- Chiana, [147]
- Chiers, [114]
- Choaspes, [68], [178]
- Choper, [167]
- Chor, [139]
- Churne, [139]
- Cladeus, [80]
- Clanius, [147]
- Clare, [149]
- Cleddeu, [79]
- Clitora, [80]
- Clitumnus, [80]
- Cloyd, [79]
- Cludros, [80]
- Clun, [147]
- Clwyd, [79]
- Clyde, [79]
- Cober, [167]
- Cocbrôc, [86]
- Cocker, [86]
- Cockley-beck, [87]
- Cocytus, [87]
- Coker, [86]
- Colapis, [113]
- Cole, [164]
- Colne, [164]
- Coly, [164]
- Conan, [145]
- Cond, [144]
- Conder, [145]
- Conn, [144]
- Conner, [145]
- Conway, [145]
- Coquet, [87]
- Coralis, [139]
- Cover, [167]
- Cremera, [140]
- Cremisus, [140]
- Crummock, [140]
- Cuckmare, [87]
- Curalius, [139]
- Cydnus, [108]
- Cyrus, [139]
- Dahme, [135]
- Dalcke, [106]
- Dane, [135]
- Danube, [116]
- Daradax, [105]
- Daradus, [105]
- Darme, [70]
- Daubrawa, [37]
- Deane, [135]
- Déaume, [135]
- Dee, [134]
- Deel, [105]
- Delvenau, [106]
- Demer, [135]
- Derwent, [141]
- Desna, [107]
- Deva, [135]
- Dill, [105]
- Dillar Burn, [106]
- Dista, [107]
- Dive, [135]
- Dniester, [179]
- Dobur, [37]
- Docker, [150]
- Dodder, [90]
- Dokka, [150]
- Dommel, [90]
- Don, [135]
- Donge, [136]
- Dora, [37]
- Dordogne, [38]
- Doubs, [36]
- Douglas, [150]
- Dourdon, [155]
- Dourdwy, [155]
- Douro, [37]
- Doux, [36]
- Dove, [36]
- Dovy, [36]
- Dow, [36]
- Dowles, [150]
- Drac, [70]
- Drage, [70]
- Drammen, [70]
- Dran, [69]
- Drave, [69]
- Drewenz, [141]
- Drome, [70]
- Drone, [69]
- Dronne, [69]
- Dubissa, [37]
- Duddon, [90]
- Dude, [90]
- Durance, [141]
- Durme, [70]
- Durra, [37]
- Dussel, [107]
- Duyte, [90]
- Dyle, [106]
- Earne, [40]
- Ebrach, [26]
- Ebro, [26]
- Ecolle, [69]
- Eden, [35]
- Eder, [34]
- Edrenos, [34]
- Eem, [28]
- Eger, [81]
- Ehen, [27]
- Eichel, [28]
- Eider, [35]
- Eisach, [32]
- Eitrach, [35]
- Elbe, [73]
- Eld, [72]
- Elda, [72]
- Ellé, [71]
- Ellen, [71]
- Ellero, [71]
- Ellison, [75]
- Elvan, [74]
- Elz, [75]
- Emba, [29]
- Emele, [29]
- Emme, [28]
- Emmen, [29]
- Emmer, [29]
- Ems, [29]
- Ens, [27]
- Era, [39]
- Erens, [138]
- Erft, [40]
- Ergers, [41]
- Erl, [40]
- Erla, [40]
- Erms, [122]
- Erpe, [109]
- Erve, [109]
- Eschaz, [31]
- Esk, [31]
- Eskle, [31]
- Esla, [33]
- Esque, [31]
- Ettrick, [35]
- Eure, [34]
- Evan, [26]
- Evenus, [26]
- Eye, [28]
- Eypel, [27]
- Exe, [31]
- Fal, [130]
- Feale, [130]
- Fillan, [130]
- Fils, [130]
- Findhorn, [146]
- Finn, [146]
- Finnan, [146]
- Fladaha, [149]
- Fladnitz, [149]
- Fleet, [66]
- Flieden, [66]
- Flietnitz, [66]
- Flisk, [67]
- Foilagh, [130]
- Formio, [154]
- Forth, [115]
- Fowey, [154]
- Foyers, [154]
- Frame, [154]
- Fraw, [115]
- Frome, [154]
- Froon, [115]
- Fulda, [162]
- Gada, [108]
- Gaddada, [109]
- Gade, [108]
- Gader, [108]
- Gadmen, [109]
- Gail, [110]
- Gairden, [161]
- Gala, [110]
- Galthera, [112]
- Gande, [108]
- Ganges, [68]
- Gangitus, [68]
- Gard, [161]
- Gardon, [161]
- Garf water, [97]
- Garonne, [13], [114]
- Garrhuenus, [113]
- Garry, [113]
- Gartach, [161]
- Garza, [114]
- Gata, [108]
- Gauir, [155]
- Geisa, [108]
- Gela, [110]
- Gelt, [112]
- Geltnach, [112]
- Geranius, [114]
- Geron, [114]
- Gers, [114]
- Gidea, [108]
- Giesel, [109]
- Giessbach, [108]
- Gingy, [68]
- Giron, [114]
- Girvan, [97], [178]
- Glan, [147]
- Glass, [147]
- Glatt, [147]
- Glen, [147]
- Glon, [147]
- Glyde, [80]
- Gose, [108]
- Gotha, [108]
- Gouw, [68]
- Grabow, [97]
- Granta, [163]
- Gravino, [97]
- Greta, [152]
- Grumbach, [140]
- Gryffe, [97], [178]
- Gwynedd, [145]
- Gyndes, [108]
- Haase, [100—Note].
- Haliacmon, [104]
- Halycus, [104]
- Halys, [75]
- Hamel, [29]
- Hamps, [29]
- Harpa, [109]
- Harpasus, [109]
- Hebrus, [26]
- Helisson, [75]
- Helme, [130]
- Helpe, [74]
- Herk, [41], [176]
- Hesper, [92], [178]
- Hespin, [91]
- Hesudros, [33]
- Hisscar, [32]
- Hörsel, [78]
- Hull, [89]
- Humber, [29]
- Hunte, [100]
- Hypanis, [26]
- Hypius, [26]
- Hypsas, [27]
- Iberus, [26]
- Idle, [35]
- Igla, [69]
- Iglawa, [69]
- Ihna, [27]
- Ik, [69]
- Ilach, [71]
- Ilavla, [74]
- Ile, [71]
- Ilen, [71]
- Ilek, [104]
- Ilissus, [75]
- Ill, [71]
- Ille, [71]
- Iller, [71]
- Illim, [130]
- Ilm, [130]
- Ilmen, [130]
- Ilmenau, [130]
- Ilse, [75]
- Ilz, [75]
- Inda, [23]
- Inde, [23]
- Indus, [23]
- Indre, [23]
- Ingon, [81]
- Ingul, [81]
- Inn, [27]
- Inney, [27]
- Ionne, [69]
- Ipf, [26]
- Ipoly, [27]
- Ips, [27]
- Irat, [138]
- Irati, [138]
- Irghiz, [41]
- Irk, [41]
- Irkut, [41]
- Irt, [138]
- Irthing, [138]
- Irvine, [109]
- Isac, [31]
- Isar, [33]
- Ischl, [31]
- Ise, [32]
- Isen, [32]
- Isère, [32]
- Isis, [33]
- Isla, [33]
- Isker, [161]
- Ismenus, [33]
- Isolé, [33]
- Isper, [92]
- Isset, [33]
- Issus, [32]
- Ister, [33], [117], [170]
- Itchen, [69]
- Iton, [35]
- Itz, [35]
- Ive, [25]
- Ivel, [26]
- Jactus, [100]
- Jaghatu, [100]
- Jahde, [100]
- Jahnbach, [68]
- Jardanus, [161]
- Jaxt, [100]
- Jesmen, [89]
- Jessava, [89]
- Jetza, [89]
- Jezawa, [89]
- Jisdra, [89]
- Joss, [89]
- Jug, [100]
- Kalitva, [112]
- Kam, [139]
- Kama, [139]
- Kamp, [138]
- Kana, [144]
- Kander, [145]
- Karthaue, [161]
- Kels, [110]
- Kelvin, [113]
- Kemi, [139]
- Kenne, [144]
- Kent, [144]
- Kerr, [139]
- Kersch, [114]
- Khabur, [167]
- Khankova, [68]
- Klara, [149]
- Klodnitz, [80]
- Klön, [147]
- Kocher, [86]
- Kohary, [86]
- Kohlbach, [113]
- Kokel, [86]
- Kola, [164]
- Kolima, [164]
- Korol, [139]
- Koros, [114]
- Kösten, [158]
- Krems, [140]
- Kroma, [140]
- Krumbach, [140]
- Kuchelbach, [87]
- Kulpa, [113]
- Kur, [139]
- Lagan, [45]
- Lahn, [45]
- Laimaha, [128]
- Laine, [45]
- Laith, [46]
- Lama, [128]
- Lambro, [129]
- Lamme, [128]
- Lammer, [129]
- Lamone, [129]
- Lamov, [128]
- Lamus, [129]
- Laucha, [45]
- Lauder, [148]
- Lauter, [148]
- Lave, [45]
- Lavino, [45]
- Leach, [44]
- Leam, [128]
- Lech, [44]
- Leck, [44]
- Lee, [44]
- Leen, [44]
- Legre, [44]
- Leiser, [147]
- Leith, [46]
- Leitha, [46]
- Leithan, [47]
- Leman, [129]
- Leman (Lake), [129]
- Lempe, [128]
- Lesse, [146]
- Lethæus, [47]
- Leven, [45]
- Lez, [146]
- Lid, [46]
- Lida, [46]
- Lidden, [47]
- Liddle, [47]
- Lieser, [147]
- Liffar, [46]
- Liffey, [46]
- Ligne, [44]
- Lima, [128]
- Limen, [129]
- Limmat, [129]
- Limyrus, [129]
- Liparis, [170]
- Lipka, [46]
- Lippe, [46]
- Liver, [46]
- Liza, [146]
- Lizena, [146]
- Ljusne, [147]
- Lloughor, [45]
- Loing, [45]
- Loire, [44]
- Loiret, [14]
- Lomond (Loch), [129]
- Looe, [45]
- Loony, [45]
- Loose, [146]
- Lossie, [146]
- Lot, [72]
- Loue, [45]
- Louga, [45]
- Lougan, [45]
- Louven, [45]
- Lowna, [45]
- Lowther, [148]
- Luder, [148]
- Lug, [45]
- Lugan, [45]
- Lugano (Lake), [45]
- Lugar, [45]
- Luhe, [44]
- Lune, [45]
- Lutter, [148]
- Lye, [44]
- Lyme, [128]
- Lyon, [44]
- Lys, [44]
- Maas, [142]
- Macestus, [61]
- Madder, [88]
- Madel, [88]
- Maese, [142]
- Magra, [60]
- Mahanuddy, [60]
- Maia, [60]
- Maig, [60]
- Main, [60]
- Maina, [60]
- March, [61]
- Mare, [62]
- Marecchia, [62]
- Mark, [61]
- Marne, [88]
- Marosch, [62]
- Marsyas, [62]
- Masie, [142]
- Mask (Lake), [62]
- Matrinus, [88]
- Matrona, [88]
- Maw, [60]
- Mawn, [60]
- May, [60]
- Mayenne, [127]
- Meal, [61]
- Mede, [88]
- Medemelacha, [126]
- Medinka, [126]
- Medoacus, [127]
- Medofulli, [126]
- Medvieditza, [127]
- Medway, [126]
- Medwin, [127]
- Megna, [60]
- Mehaigne, [60]
- Mehe, [88]
- Meissau, [142]
- Melsus, [151]
- Meon, [60]
- Mergui, [62]
- Mersey, [62]
- Metauro, [88]
- Metema, [127]
- Meuse, [142]
- Mhye, [60]
- Midou, [126]
- Miele, [61]
- Mies, [142]
- Milsibach, [151]
- Moder, [88]
- Moldau, [162]
- Moldava, [162]
- Mora, [61]
- Morava, [61]
- Morge, [61]
- Mörn, [62]
- Moselle, [142]
- Moskva, [62]
- Mourne, [62]
- Moy, [60]
- Moyne, [60]
- Muhr, [61]
- Mulde, [162]
- Mülmisch, [151]
- Muotta, [102]
- Murg, [61]
- Murr, [61]
- Murz, [62]
- Musone, [142]
- Muthvey, [102]
- Naab, [50]
- Naaf, [50]
- Nabalis, [51]
- Nabon, [50]
- Nahe, [50]
- Nairn, [49]
- Namadus, [52]
- Naparis, [50]
- Nar, [49]
- Narenta, [49]
- Narew, [49]
- Naron, [49]
- Narova, [49]
- Narra, [49]
- Natisone, [88]
- Nave, [50]
- Naver, [50]
- Navia, [50]
- Ne, [177]
- Neagh (Lake), [49]
- Neath, [54]
- Neda, [54]
- Neers, [49]
- Neisse, [51]
- Nenagh, [49]
- Nene, [49]
- Nenny, [49]
- Nent, [49]
- Nera, [49]
- Nerja, [49]
- Nerussa, [177]
- Ness, [51]
- Neste, [51]
- Nestus, [51]
- Nethan, [54]
- Nethe, [54]
- Neutra, [88]
- Neva, [50]
- Never, [50]
- Nevis, [51]
- Nia, [177]
- Nia, [49]
- Nidd, [54]
- Nidder, [54]
- Nied, [54]
- Niemen, [50]
- Nievre, [50]
- Nisi, [51]
- Nissava, [51]
- Nith, [54]
- Nive, [50]
- Nivelle, [50]
- Noain, [88]
- Nodder, [88]
- Noraha, [49]
- Nore, [49]
- Now, [49]
- Oarus, [39]
- Ock, [28]
- Ocker, [153]
- Odde, [176]
- Odder, [34]
- Oder, [34]
- Odon, [34]
- Oenus, [27]
- Oertze, [78]
- Ohm, [26]
- Ohre, [39]
- Ohrn, [40]
- Oich, [28]
- Oikell, [28]
- Oise, [32]
- Oka, [28]
- Oke, [28]
- Olle, [72]
- Olmeius, [130]
- Oltis, [72]
- Ombrone, [29]
- Oppa, [176]
- Orb, [109]
- Ore, [39]
- Orge, [41]
- Orla, [40]
- Orlyava, [40]
- Orlyk, [40]
- Orre, [40]
- Orrin, [40]
- Orsinus, [78]
- Orvanne, [109]
- Œscus, [31]
- Oskol, [31]
- Otter, [34]
- Ource, [78]
- Ourcq, [41]
- Ourt, [138]
- Ousche, [32]
- Oust, [158]
- Owenbeg, [164]
- Ovoca, [153]
- Oxus, [31]
- Paar, [65]
- Pader, [132]
- Padus, [132]
- Palme, [67]
- Pant, [178]
- Pantanus, [132]
- Parde, [133]
- Parret, [83]
- Parthenius, [133]
- Pathissus, [132]
- Paulo, [178]
- Pebrach, [84]
- Pedder, [83]
- Peen, [81]
- Peffer, [83]
- Pelym, [67]
- Peneus, [82]
- Penjina, [82]
- Penk, [82—Note].
- Pennar, [82]
- Penza, [82]
- Permessus, [154]
- Pernau, [65]
- Persante, [101]
- Petteril, [83]
- Pever, [83]
- Pfreimt, [154]
- Piana, [82]
- Piave, [65]
- Piddle, [82]
- Pina, [82]
- Pinau, [82]
- Pindar, [83]
- Pindus, [82]
- Pinega, [82]
- Pinka, [82]
- Pitrenick, [83]
- Plaine, [65]
- Plau, [65]
- Plan-see (Lake), [66]
- Pleiske, [67]
- Pleisse, [66]
- Pleistus, [66]
- Pliusa, [66]
- Ploen (Lake), [66]
- Plone, [66]
- Plonna, [66]
- Plym, [67]
- Po, [131]
- Polota, [85]
- Porata, [115]
- Portva, [115]
- Practius, [167]
- Pravadi, [115]
- Pregel, [115]
- Primma, [154]
- Prims, [154]
- Pripet, [115]
- Pronia, [115]
- Prosna, [101]
- Prüm, [154]
- Pruth, [115]
- Purally, [115]
- Pydaras, [83]
- Pyramus, [154]
- Raab, [120]
- Rasa, [96]
- Rasay, [96]
- Ravee, [102]
- Raven, [102]
- Rea, [43]
- Rednitz, [95]
- Reen, [43]
- Rega, [43]
- Regen, [43]
- Regge, [43]
- Reno, [43]
- Reuss, [96]
- Rezat, [96]
- Rha, [43]
- Rhesus, [96]
- Rhine, [43]
- Rhion, [43]
- Rhodanus, [95]
- Rhodius, [95]
- Rhone, [95]
- Riaza, [96]
- Riga, [43]
- Riss, [96]
- Robe, [102]
- Rodach, [95]
- Rodau, [95]
- Rodden, [95]
- Roer, [168]
- Rohrbach, [168]
- Ross, [96]
- Rosslau, [96]
- Rötel, [96]
- Roth, [95]
- Rotha, [95]
- Rothaine, [95]
- Rother, [96]
- Rott, [95]
- Rottach, [95]
- Roubion, [102]
- Ruhr, [168]
- Rye, [43]
- Saale, [76]
- Saar, [55]
- Sabis, [59]
- Sabor, [59]
- Sabrina, [59]
- Saima (Lake), [119]
- Sal, [77]
- Salm, [166]
- Salo, [77]
- Salza, [151]
- Samara, [119]
- Sambre, [59], [119]
- San, [166]
- Saone, [119]
- Saraswati, [56]
- Saratovka, [56]
- Sarayu, [55]
- Sare, [55]
- Sark, [55]
- Sarnius, [56]
- Sarno, [56]
- Sarsonne, [56]
- Sarthe, [56]
- Sau, [59]
- Sauconna, [119]
- Save, [59]
- Savena, [59]
- Savezo, [59]
- Savio, [59]
- Savranka, [59]
- Sazawa, [98]
- Scaldis, [159]
- Scarr, [162]
- Scheer, [162]
- Scheldt, [159]
- Schie, [161]
- Schiltach, [159]
- Schmida, [53]
- Schnei, [52]
- Schondra, [99]
- Schozach, [99]
- Schunter, [99]
- Schupf, [101]
- Schussen, [99]
- Schutter, [99]
- Schwabach, [101]
- Schwale, [165]
- Schwalm, [166]
- Schwarza, [150]
- Schyrne, [162]
- Scius, [161]
- Scopas, [101]
- Seaton, [141]
- Seena, [166]
- Segre, [119]
- Segura, [119]
- Seille, [76]
- Seine, [119]
- Selle, [76]
- Selse, [151]
- Selune, [77]
- Sem, [119]
- Semoy, [119]
- Sempt, [119]
- Sena, [166]
- Senne, [166]
- Senus, [166]
- Seran, [56]
- Serchio, [55]
- Sered, [56]
- Sereth, [56]
- Serio, [55]
- Serre, [55]
- Serus, [55]
- Sessites, [98]
- Sestra, [99]
- Seugne, [119]
- Seva, [59]
- Sevan, [59]
- Severn, [59]
- Severus, [59]
- Sevre, [59]
- Sevron, [59]
- Shannon, [166]
- Sheaf, [101]
- Shere, [162]
- Shiel, [169]
- Shin, [166]
- Shira, [162]
- Sicoris, [119]
- Sid, [141]
- Sieg, [119]
- Sieve, [59]
- Sihl, [169]
- Silaro, [169]
- Sile, [169]
- Simmen, [119]
- Simmer, [119]
- Simois, [119], [169]
- 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]
- Wegierka, [64]
- Weichsel, [158]
- Welland, [90]
- Welse, [91]
- Wente, [179]
- Wern, [77]
- Werre, [77]
- Wers, [78]
- Wertach, [78]
- Wetter, [34]
- Wey, [63]
- Wick, [63]
- Wien, [63]
- Wigger, [63]
- Willy, [90]
- Windau, [146]
- Winderius, [146]
- Windermere (Lake), [146]
- Wipper, [64]
- Wislauf, [158]
- Wisloka, [158]
- Woder, [34]
- Worse, [78]
- Wölpe, [73]
- Wupper, [64]
- Wurdah, [79]
- Wyck, [177]
- Wye, [63]
R. and J. Steel, Printers, 57, English St., Carlisle.