Segovesus, [19].

Selvanus, [37].

Semnotheoi, [298], [301].

Sequana, [43].

Sergi, Prof., [9], [296].

Serpent, [35], [166], [188], [211].

Serpent with ram's head, [34], [44], [166], [211].

Serpent's egg, [328].

Serpent's glass, [328].

Setanta, [349].