658 



INDEX 



Thompson, Prof. D' Arcy, 41 6 



Thomson, Dr. Stuart, 552 



Thomson, Sir Wyvifle, 81, 91 



Thorndike, Prof., 245-246 



Thrust and parry, 23 



Tidman's sea-salt, 108, 136 



Tile fish, 156 



Time, trading with, 591 



Tissue regeneration, 555 



Tornier, G., 152 



Transparent animals, 78 



Tree-frogs, tadpoles of, 149 



Trial and error, 245 



Triton, lens of, 570 



Tropisms, 191 ; establishment of, 



197 

 Tubularia, 66 

 Tunicates, 45-47 

 Turner, 232 

 Typhobia, 113 



Variability, 479 



Venus' Flower Basket, 91 



Venus girdle, 78 



Vest gial structures, 607 



Vinson, 15 



Viscaohas, 350 



VitaUsm, 622 



Vogt, 135 



Vries, de, 516, 582 



Vultures 13, 14 



Wagner, 115 



Wallace, A. R., 179, 414, 547-549 

 Wallich, 81 

 Walther, J., 97 

 Warm-bloodedness, 530 

 Warning coloration, 547 

 Wasmann, 52 

 Wasp, nest of, 344 



Wasp, soUtary, 224 



Water -fleas, 107 



Water-spider, 115 



Watson, William, 99 



Waves of Life, successive, 141 



Way- finding of birds, 180 



Ways of Life, 186 



Weapons, 24 



Weber, Prof. Max, 493 



Web of Life, Man and, 357 



Web of Life, 243 



Darwinian conception of, 40 

 Weismann, 205,438,480,517,562, 



568 

 Wery, J., 279 

 Wesenberg-Lund C, 137 

 Wetting of water animals, 115 

 Whales' hair, 617 

 Whelk, 65 



Whitney, Dr. D. D., 612 

 Willey, Prof., 289 

 Wilson, Prof. E. B., 378 

 Wilson, Prof. H. V., 485 

 Wings, 125 

 Winter conditions in freshwater, 



108 

 Winter eggs, 108 

 Wmtrebert, 28 



Woodruffe, Prof. L. L., 133, 142 

 Worcester, Dean C, 20 



Yellow-fever, 365 

 Yerkes, 247 

 Young animals, 405 

 Youth, the purpose of, 408 

 Yung, Prof. E., 233 



Ziegler, H. E., 262 

 Zoophytes, 444 

 Zulueta, A. de, 305 



Butler & Tanner Frome and London 



