Struthious birds of New Zealand as indicating past changes, [478]
Stylidium, wide range of, [185]
Submerged forests, [334]
Subsidence of isthmus of Panama, [151]
Sumatra, geology of, [385]
Sweden, two deposits of "till" in, [121]
Swimming powers of mammalia, [74]
Swinhoe, Mr. Robert, researches in Formosa, [400]
Switzerland, interglacial warm periods in, [121]
Sylviadæ, overlapping genera of, [29]