Saltatory Evolution, (see also Mutations).
Sanders, experiments on Vanessa by.
Saporta, on the Evolution of Angiosperms.
Sargant, Ethel, on the Evolution of Angiosperms.
Savigny.
Scardafella inca.
Scent, in relation to Sexual Selection.
Scharff, R.F.
Schelling.
Schlegel.