408 



INDEX 



ZOOLOGICAL 



species of birds in zoological regions, 

 89 ; of described species of living 

 animals, 92 ; of percentage of mean 

 error of variation, 1 1 2 ; of peculiar 

 sub-species of British birds, 126; of 

 rate of lowering of river-basins, 175 



TEETH, gradual loss of during develop- 

 ment, 270 



TEMPERATE floras compared, 28, 33, 

 36; floras, small areas, 71 



TEMPERATURE-ADJUSTMENTS of earth's 

 surface, 1 86 



TERTIARY period, life of, 219 



TETRABELODON, restoration of, 230 



Tetrabelodon an&ustidens, skeleton of, 

 230 



THERIOMORPHA, beast-like reptiles of 

 Karoo formation, S. Africa, 198 



THOMPSON, E. Seton, on recognition- 

 marks, 159 



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

 minants, 272 ; on mechanics of the 

 germ-plasm, 342 ; on nature's stern 

 methods, 370 



THOUGHT-TRANSFERENCE the agent 

 in life -production and guidance, 



394 



Thylacoleo carnifex, skull of, 240 

 Titanotherium robustum, skeleton of, 



222 



Toxodon platensis, skeleton of, 234 

 TOXODONTIA, 235 

 Trachycerasaon, 268 

 TRICONODON, 213 

 TRILOBITES, early and late forms of, 



267 



TRINIDAD, flora of, 63 

 TROPICAL floras of the world, 40 ; of 



large areas compared, 42 ; small 



areas, 71 

 TROPICAL and temperate vegetation 



compared, 98 



TROPICAL vegetation, causes of rich- 

 ness of, 99 

 TYLOR, A., on rate of denudation, 



175 



Uintatherium ingens, skeleton of, 220 ; 



cornuttim, skull of, 221 

 UNGULATA, early forms of, 219; 



extinct South American, 233 

 UNIVERSE, purpose of the stellar, 278 



UPHEAVAL produced by contraction, 

 182 



VARIATION of mind as great as of 

 body, 1 06 ; as shown in curve of 

 stature, 108 ; of the various parts of 

 a bird, 1 1 o 



VARIATION of species, 104 



VARIATIONS, co-ordination of, 256 



VARIETY in nature, purpose of, 278 ; 

 the law of the universe, 385 ; cause 

 and purpose of, 390 



VEGETABLE products in relation to 

 man, 325 



VEGETATION, differences of tropical 

 and temperate, 98 ; early, 195 



VERNON, Dr. H. M., on variation, 

 ill; on parts of human body vary- 

 ing independently, 112 



VERTEBRATES, special features in 

 development of, 270 



VITAL force, Max Verworn on, 293 ; 

 Dr. A. Kerner on, 330 



WARMING, Professor Eug., on flora of 

 Lagoa Santa, 63-70 



WATER in relation to life, 365 ; com- 

 plex problems of, 365 ; as preparing 

 earth for man, 367 



WEISMANN'S theory of germinal selec- 

 tion, 271 



WEYMOUTH, abundance of ammonites 

 at, 267 



WILSON, Alexander, on numbers of 

 passenger pigeons, 116-18 



WINTER transformed into summer, 

 142 



WOOD, various qualities of, 326 



WOODRUFFE - PEACOCK on detailed 

 floras, 14 ; on meadow and pasture 

 plants, 1 6 



WOODWARD, Dr. A. S., on progres- 

 sive developments of some charac- 

 ters, 265 ; on small brains of early 

 vertebrates, 270 



Wuljenia carinthtaca, small range of, 

 18 



X-RAYS prove use of pain, 382 



ZOOLOGICAL regions, species of birds 

 in, 89 



Printed by R. & R. CLARK, LIMITED Edinburgh, 



