Supernumerary digits, [122], [181].

Syllis, [169], [211].

Symbolic conceptions, [251].

Symmetrical diseases, [182].

Syphilitic deposits, [183].

T.

Tadpole's beak, [83].

Tails of butterflies, [85].

Tapir, [123], [134].

Tarsal bones, [159], [198].