Ribs of flying-dragon, [64], [158].

Richardson's figures of pigs, [99].

Roger Bacon, [266].

Rudimentary structures, [7], [102].

S.

Sabre-toothed tiger, [110].

St. Augustin, [17], [263]-[265].

St. Basil, [17].

St. Hilaire, M., [179].

St. Thomas Aquinas, [17], [263], [265].