, Dr. Richard, on the dispersion of hepaticae, 309
Stability of extreme glacial conditions, 159
Stainton, Mr. H. T., on peculiar British moths, 346-350
Stanivoi mountains, why not ice-clad, 154
Starlings, genera of, in New Zealand, 482
_Stellaria media_, temporary appearance of, 515
Sternum, process of abortion of keel of, 437
Stow, Mr. G. W., on glacial phenomena in South Africa, 163
Stratified rocks formed near shores, 85, 87
deposits, how formed, 218
Striated rocks, 107
blocks in the Permian formation, 200
_Striae flammea_, range of, 15
Struthiones, 30
Struthious birds of New Zealand as indicating past changes, 478
Stylidium, wide range of, 185
Submerged forests, 334
{562}
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
Sylviadae, overlapping genera of, 29

T.
Talpidae, a Palaearctic group, 41
Tapirs, distribution of, 25
former wide range of, 393
Tarsius, 63
_Tarsius spectrum_ in Celebes, 456
Tasmania and North Australia, resemblance of, 5
route of Arctic plants to, 520
_Taxodium distichum_ in Spitzbergen, 184
Temperate climates in Arctic regions, 181
Australian genera of plants in New Zealand, 502
Australian species of plants in New Zealand, 502
Temperature, how dependent on sun's distance, 129
of space, 129
Tertiary glacial epochs, evidence against, 179
warm climates, continuous, 187
Test of glaciation at any period, 175
_Testudo abingdonii_, 279
_T. microphyes_, 278
Tetraogallus, distribution of, 24
Thais, a Palaearctic genus, 42
Thomson, Sir William, on age of the earth, 213
Sir Wyville, on organisms in the globigerina-ooze, 89
analysis of globigerina-ooze, 91
_Thryothorus bewickii_, discontinuity of, 68
"Till" of Scotland, 112
several distinct formations of, 121
Tits, distribution of species of, 19
Torreya, fossil in Spitzbergen, 186
Tortoises of the Galapagos, 278
Trade-winds, how modified by a glacial epoch, 142
Tragulidae, 27
Travelled blocks, 109
Tremarctos, an isolated genus, 29
Triassic warm Arctic climate, 200
Tribonyx not a New Zealand genus, 483
Trichoptera peculiar to Britain, 355
Trogons, distribution of, 28
Tropical affinities of New Zealand bi