866 



SCIENTIFIC SIDE-LIGHTS 



WATERS, Seed cast upon 



the 3711 



Transporting seeds *3711 



, Volcanoes free impris- 

 oned 3225 



WATER-SPIDER, Home of 



the 886 



WATER-WHEEL, Develop- 

 ment of 1298 



an Element of indus- 

 trial progress 3701 



- vs. Windmill.: 1016 



WATER-WORKS Indicate 



progress 3701 



WAVE Goes on, water is left 1903 



, Ocean, heaved on shore 



by earthquake 3098 



, Motion the advance of 



a form *3712 



WAVE-LENGTH of colors. . . 3073 

 WAVERLEY, Scott compos- 

 ing novels 3489 



WAVES Annihilating each 



other 1528 



, Beauty from interfer- 

 ence of 339 



, Chemical, invisible 2537 



, Dimensions of, of light 2216 



, Extinction of 1933 



of Gases 267 



Hardened to rock 3667 



of Heat like, of light. . *3715 



Heaving earth's crust. . *3713 



, Interference of 339, *3714 



of Light learned from 



those of sound . . . 79 



of Light change with 



intensity of heat *3716 



of Light abolish each 



other 1947 



of Light flow around 



obstacles 2441 



, Light and sound exist 



as 1927 



of Light pervade all 



space 1930 



, Mingled, of sound 3154 



Revealed by fluores- 

 cence 1765 



.Rich color of 3708 



, Rocks marked by, of 



vanished sea 852 



, Rocks rounded by. of 



ancient sea 2934 



of Sea and land in earth- 

 quake *3717 



Shaping lands 3603 



, Smallest particles re- 

 flect smallest 3125 



, From, of sound to, of 



light 1160 



, Strength of shell adapt- 

 ed to violence of 3252 



Traversing ear^h-crust 954 



Undermining rocks. . . 2718 



WAY, Bees have to learn the 1867 

 , Evil points the, to bet- 

 terment 869 



, Fire makes a. through 



darkness 1240 



Lower impulses given 



the right of 3408 



, Magnetism opens a, for 



light 2521 



Prepared by Science. . 851 



WEAKENING of Volition by 



alcohol . 141 



WEAK crushed by trials .... 1875 

 WEAKER, the Vigorous 



choke the. (Matt, xiii., 7) . . 3259 

 WEAKNESS, Apparent 



strength source of 1134 



of Gravity on the moon 3251 



, Stars teach man's. . . . 3217 



. Union of, and strength 3524 



WEALTH, Advantages of.. 604 

 Can liberate genius. ... 855 



of Celestial beauty. . . . *3718 



, Desire for, approved. . 791 



and Poverty of celes- 

 tial regions 885 



, Power of 1016 



WEAPON, Axe the chief, of 



primitive man 302 



, Bow a prehistoric 395 



Survives as symbol .... 3340 



and Tool combined.. . . *3719 



WEAPONS, Existence of, due 



to fire 1236 



, Improvised *3720 



, Pois9ned *3720 



of Primitive man alike 3444 



, Power of modern 1163 



WEARING of Rocks by ice 



and by water 821 



WEAVER, Woman the prim- 

 itive 3091 



WEAVER-BIRD, Limited 



intelligence of 169 



WEAVING, Antiquity of . . . . 200 



Invented by primitive 



women *3722 



Invention of fly-shuttle 



for 1754 



WEAVING of Spider *3723 



WEB Stayed by suspended 



weight 1672 



WEDGE, Root a wooden .... 2674 

 , the, Used by primitive 



man 2694 



WEDGES, Granite, forced 



through sandstone 3244 



WEEDS, Machinery improv- 

 ing 2903 



- Introduced by man. . . 2029 

 WEEK, Ancient, of seven 



days 197 



, Instituted 4,000 years 



ago 2403 



WEEVILS Destroy seeds... 798 

 WEIGHT Balanced agianst 



disturbing force *3724 



of Brain of man and of 



ape 401 



. Distributed by scatter- 

 ing on thin ice 2946 



Effort needed to raise 2121 



, Heat, light, etc., with- 

 out 2116 



, Number and, of atoms 279 



. Slight, obscured by 



heavier 1599 



of the Sun *3725. 3725 



. Water a counterpoise of 61 



, Web stayed by sus- 



pended 1672 



WELFARE, Individual sac- 

 rificed to public 341 



WELL Indicates progress in 



control of water 3701 



WELLS, Artesian, described 3191 

 , Springs and, spread dis- 

 ease 2645 



WERNER, Devotion of pu- 

 pils to 290 



WEST, Birds of the far 1677 



WEST INDIES, Birds winter- 

 ing in 2174 



, Tools developed in 2133 



WHALE not Attacked by 



thresher 657 



, Bones in paddles of. ... 



not Instantly aware of 



wound 3060 



.Rudimentary limbs of 3506 



Wounded in tail 3437 



WHEAT Raised by lake- 

 dwellers 121 



Reproduction of 2798 



WHEEL Animalculse 1898 



, Potter's, known from 



early antiquity 2647, 2650 



a Prehistoric i n v e n - 



tion *3726 



Used by primitive man 2694 



. (See also MII/L-WHEEL.) 



WHEELBARROW Un- 

 known in America before 

 Columbus 3727 



WHEELS for Vehicles un- 

 known in America before 



Columbus *3727 



WHIRLPOOL at Niagara. . . 3714 

 , The. rapids at Niagara 3710 



WHIRLWIND, Franklin's 

 observation of 



WHISKIES Imitated by 

 chemistry 



WHITE, Icebergs of dazzling 



a Color of Arctic ani- 

 mals 



on Black more visible 



than black on 



as Protective from heat 



, Wire changes from 



red to 



WHITENESS of Arctic ani- 

 mals 



WHOLE, Hypothesis must 

 stand or fall as a 



, Man knows Nature to 



be a 



, the Universe an intel- 

 lectually consistent 



WILDERNESS, Beauty in. . 



, Life in 



. Planting of the 



, Question of 



, the Ship of the Amer- 

 ican ostrich 



Transformed 



WILFULNESS in Child 



WILL, Belief not forced by. . 

 Adapts natural laws to 



its purpose 



Creates no force. ..... 



Dethroned by intoxica- 

 tion 



, Development of 



as Distinct from im- 

 personal force 



Draws on latent sup- 

 plies 



. Effect of natural law 



on human 



. Faculty-theory of 



, Failure through lack of 



Finds place in Nature . . 



Finds room in variation 



, Force a manifestation 



of 



. Force the action of the 



divine 



Fixing attention on di- 

 vine ideal 



Free from compulsion 



, Gravitation ascribed to 



a supreme 



Incomprehensible 



, Loss of power of 



, Mimicry dependent on 



May shut out evidence 



Once deemed a sepa- 

 rate faculty 



, Paralysis of, of opium 



eater. . . 



, a Priori judgment of 



the Creator's 



vs. Reflex action 



, Relation of law to. ... 



, Right conquers by aid 



of. 



is Ultimate 



as Viewed by the physi- 



Weakened by intem- 

 perance 



, Weakness of, counter- 

 acted 



WILLOW, Dispersal of the 

 seeds of 



of the Tertiary 



, Varieties of 



WILLOWS Destroy water 

 cress 



WIND Bears seeds 



Changes contour of 



mountains 



Drives seed of sedge 



across water 



, Eroding action of 



Has no effect on Dion- 

 sea 



, Insects fleeing before. . 



, Locust seeds borne on 



wings of 



*3728 



*3728 

 1537 



47 



2690 

 535 



3716 



521 



1184 



2067 



3510 

 1383 

 1239 

 *3729 

 2631 



2492 



3466 



*3730 



357 



1838 

 *3733 



*3734 



482 



*3731 

 3674 



1515 

 3407 

 1192 

 2358 

 3602 



1299 

 3546 



*3735 

 *3736 



2371 

 2034 



*3732 

 2180 



*3739 



3764 

 595 



79 



*3737 

 647 



2921 

 *3738 



*3732 



1731 



*3740 



3037 

 1864 

 2664 



1162 

 *3742 



*3741 



3711 

 2685 



3081 

 1688 



3479 



