440 



INDEX 



floras of XortH American areas, 

 32; of warm temperature floras, 

 36; of European floras of small 

 areas, 37; of extra-European 

 temperate floras, 39; of large 

 tropical floras, 45; of chief orders 

 of flora of British India, 47; of 

 chief orders of tropical Sikkini. 

 48; of chief orders of Malay 

 peninsula, 48; of chief orders of 

 the Philippines, 54; of chief or- 

 ders of Celebes, 56; of chief or- 

 ders of Madagascar, 59; of chief 

 orders in tropical American 

 floras. 64 ; of chief orders of Mex- 

 ico and Central America, 65; of 

 chief orders of Nicaragua to 

 Panama, 67; of chief orders of 

 Lagoa Santa, 71; of number of 

 species in tropical floras of small 

 area, 77 ; of number of species in 

 temperate floras of small area, 

 77; of distribution of lepidoptera 

 in Britain, 89; of distribution of 

 coleoptera, 90; of described 

 species of orders of insects, 91; 

 of species of birds in Europe, 95; 

 of species of birds in zoological re- 

 gions, 96; of described species of 

 living animals, 99; of percentage 

 of mean error of variation. 121 ; 

 of peculiar sub-species of British 

 birds, 136; of rate of lowering of 

 river-basins, 189 



Teeth, gradual loss of during de- 

 velopment, 291 



Temperate floras compared, 30, 36, 

 39; floras, small areas, 77 



Temperature - adjustments of 

 earth's surface. 202 



Tertiary period, life of, 235 



Tetrabelodon, restoration of, 245 



Tetrahelodon angustidens, skeleton 

 of, 246 



Theriomorpha, beast-like reptiles 

 of Karoo formation, S. Africa, 

 213 



Thompson, E. Seton, on recogni- 

 tion-marks, 172 



Thomson, Prof. J. A., on deter- 

 minants, 293; on mechanics of 

 the germ-plasm, 370; on nature's 

 stern methods, 399 



Thought-transference the agent 

 in life-production and guidance, 

 425 



Thylacoleo carnifex, skull of, 258 



Titanotherium rohustum, skeleton 

 of, 238 



Toxodon platensis, skeleton of, 250 



TOXODONTIA, 251 



Truchycerafiaon, 289 



Tkicoxodon, 229 



Tkilobites, early and late forms 

 of, 287 



Tkixiuad, flora of, 68 



Thopical floras of the world, 43; of 

 large areas compared, 45; small 

 areas, 77 



Tropical and temperate vegetation 

 compared, 105 



Thopical vegetation, causes of rich- 

 ness of, 106 



Tylor, a., on rate of denudation, 

 189 



Uintatherium ingens, skeleton of, 

 236; cornutum, skull of, 237 



Ungulata, early forms of, 235; 

 extinct South American, 249 



Universe, purpose of the stellar, 

 299 ' 



Upheaval produced by contraction, 

 197 



Variation of mind as great as of 



body, 114; as shown in curve of 



stature. 116; of the various parts 



of a bird, 118 

 Variation of species, 113 

 Variations, co-ordination of, 275 

 Variety in nature, purpose of, 300; 



the law of the universe, 415; 



cause and purpose of, 420 

 Vegetable products in relation to 



man, 350 

 Vegetation, differences of tropical 



and temperate, 105; early, 210 

 VernoNj Dr. H. M., on variation, 



119; on parts of human body 



varying independently, 120 

 Vertebrates, special features in 



development of, 291 

 Vital force. Max Verworu on, 316; 



Dr. A. Kerner on, 356 



WARiiiNG, Professor Eug., on flora 

 of Lagoa Santa, 67, 74 



Water in relation to life, 394; com- 

 plex problems of, 395; as prepar- 

 ing earth for man. 397 



Weismann's theorv of germinal se- 

 lection, 292 



Weymouth, abundance of ammon- 

 ites at. 288 



