Rods of Corti, [364].

Sacrum, [224].

Saliva, [145].
Composition of, [145].
Uses of, [145].
To show action on starch, [171].

Salivary glands, [144].
Kinds of, [144].
Reflex action of, [323].

Sanitation, defined, [2].

Sarcolemma, [244].

Sarcoplasm, [244].

Scala media, [363].

Scala tympani, [363].

Scala vestibula, [363].