840 



SCIENTIFIC SIDE-LIGHTS 



PRAIRIES, Northern boul- 

 ders on 3685 



PRAYER cannot benefit by 



false pretence *2701 



a Universal impulse . . . *2700 



PREACHING Under guise of 



2700 



prayer 



PRECARIOUSNESS of spec- 



3173 



2729 

 3031 



1627 



ulation. . 



PRECAUTION, Scientific 

 basis for practical 



, Security by 



PRECAUTIONS against Self- 

 fertilization of flowers .... 



PRECESSION of the Equin- 

 oxes *2702, 3215 



, Observation to be cor- 

 rected for 2707 



PRECIOUS Destroyed by the 



worthless *2703 



PRECIOUSNESS of Lowly life *2704 



PRECIPICE, Terror on edge 



of 1130 



, Vision and muscular 



sense opposed on 3072 



PRECIPITATION Keeps wa- 

 ter pure *2705 



PRECISION of Astronomy . . 260 



of Science 



. . *2706, *2707, *2708, *2709 



PRECONCEPTION, Illusion 



through 1563 



PRECONCEPTIONS, Knowl- 

 edge limited by 1796 



PREDECESSOR of suction 



pump 2006 



PREDICTION of conduct 



*2710, 2454 



of Earthquake *2711 



, Human actions defy. . . 2018 



.Scientific, fulfilled 



. .1147, *2712 ,*2713 



PREDICTIONS of Scientists 

 falsified 



PREDISPOSITION to dis- 



13 



1483 

 1911 



PRE-EMINENCE in Society. 



PREMISES, Logical results 



from false 2830 



, Mere disputation con- 

 tent with unproved 3574 



PREOCCUPATION, Evidence 



of 286 



by Immediate sensa- 

 tion v . 2229 



of Mind produces in- 

 sensibility 1690, *2714 



Seems to shorten time . 3435 



PREPARATION, Change the 



result of 455 



for Emergency 1423, 1495 



, Nature's, for mother- 

 hood *2715 



for Violent outbreak. . . *2935 



for Warfare 203 



PRESENCE of Bacteria uni- 

 versal 305 



that Fills immensity .. *2716 



PRESENT Action of glaciers. 1381 



, the, Condemnation of, 



braved for future 580 



, the Eternal *2717 



, an Ever new 1389 



, Future to surpass 1338 



the Key to past *2718 



in the Past 1355 



, Past failures warning 



for the 1191 



, Past grows gradually 



into 1105 



, Past inharmonious, 



with, seems remote 2518 



, The, Past of stars is the 



terrestrial 3462 



, Relics of ancient past in 2860 



, Sacrifice of, for future . 2941 



, Science brings past to. 1267 



PRESERVATION of Glacier 



under lava-stream 2502 



of the Jews 1862 



of Perishable objects 



Herculaneum 1478 



of Statues in lava *2719 



PRESERVATIVE, Boracic 



acid as a, of milk 2641 



, Smoke as a, of food. . . . 3131 



PRESERVATIVES, Many in- 

 jurious 1277 



PRESERVER, Sand, of mon- 

 uments 2950 



PRESS, the, aids Astronomy . 552 

 PRESSURE, Ability to sus- 

 tain, gradually acquired.. . 1007 



, Alloys made by 459 



, Capacity for change of.. 1502 



, Crystallization through 3484 



in Deep-sea 727, *2720 



, Experiment illustrat- 

 ing, in deep-sea *2722 



of Glacier *2723-24 



, Granite cooled under. . 1334 



, Lack of, at surface 1007 



, Movable plates adjust- 

 able to 56 



in Ocean depths. . . 1895, *2721 



, Porphyry cooled under 1334 



PRETENSE, Prayer cannot 



benefit by false 2701 



of Throwing at enemy 1220 



PRESTIDIGITATION, Hou- 



din's mastery of 69 



PRETENSIONS, Surrender of 



a relief 3335-36 



PREVALENCE of Dull colors 



in deep-sea fish 543 



PREVENTION, Bacteriology 



studies, of disease 2994 



of Disease 138 



PREVISION among Animals . 1640 



in Birds and insects *2725 



in Insects. .*2726, *2727, 3690 



of Peril 1265 



of Thought *2728 



PREY, Leaves spring upon . . 3637 



, Plant closing on its 2616 



, the Puma and its 1405 



, Reanointing of sun- 

 dew leaf for new 2873 



, Wasp cutting bulky. . . 2945 



PRIDE of half-knowledge . . . *2729 

 PRIMARY COLORS, Many 



hues from 2384 



PRIMARY ELEMENTS, An- 

 cient hypothesis of 1524 



PRIME, Dragons of the 982 



PRIMITIVE MAN, Adapta- 

 tion of handles to tools by . 55 



, Arithmetic of 228 



, Axe, the chief weapon 



of 302 



, Basket-making by 313 



, Camel the companion 



of 2062 



, Domestic life of 2065 



, Earth sculpture of 959 



, Fancy sketch of what 



remains indicate 2063 



, Granaries of 187 



Incapable of abstract 



conceptions 1546, 2064 



, Industry of 1643 



, Ingenuity of 1673 



, Intelligence and enter- 

 prise of 1717 



, Native copper waiting 



to be picked up by 2357 



, Pottery of great im- 

 portance to 2649 



, Scales of 2960 



, Skill of 3120 



, Textiles of 3383 



, Tools and weapons of . . 3444 



, Trade of 3450 



, Vast and impressive 



plans of 2615 



. (See also MAN, PRIMI- 

 TIVE.) 



PRIMITIVE MEN, Co-opera- 

 tive building among 2473 



PRIMITIVE WOMAN, Cook- 

 ery of 652 



, Music of 2302 



, Pottery of 2651 



, Sewing of 3090 



, Weaving invented by. . 3722 



, Work of, in agriculture 124 



PRINCES, Merchant, of an- 

 tiquity 2392 



PRINCIPLE, Assumed, of 

 fire "Phlogiston." .... 



, One, of life.. 



, One, pervading all na- 



1072 

 2730 



2730 



ture. 



PRINCIPLES, New, of loco- 

 motion *2731 



, New, for new cases. . . . 2402 



, Pictorial power needed 



to deal with underlying. . . 2978 



of the Universe 



PRINTING Invented in 

 China. 



1524 



*2732 



of Extras dispensed 



with 2414 



an Invention of intel- 

 lect 2759 



PRINTS of Ancient rain- 

 drops 2843 



PRIORITY of Discovery 



Spurious claims *2733-34 



PRISMATIC COLORS from 



thin films *544,545, 



548-49, 1933, 2415, 2625, 3134 



. (See also COLORS; LIGHT.) 



PRISM, Newton discovers re- 

 fractive power of 3334 



. (See also SPECTRUM.) 



PRISMS Like needles Moun- 

 tain snow 



PRISONERS, Ancestry of, in 

 Paris 



PRISON-HOUSE, Body re- 

 garded as, of spirit 



PRIVATION a Cause of in- 

 temperance 



of the North 



PROBABILITY that Higher 

 attributes exist in universe 



PROBLEM, Analysis a com- 

 plex 



, Bone-soup 1274 



, Constitution of earth 



unsolved 2307 



of Deep-sea life 3560 



of Disinfection 865 



of First organisms. 



of Law and liberty . 



, Not to be made doc- 

 trine , 



of the Mediterranean. 



of Moral evil 



, Philosophy's endless. . , 



, Phrenology answers, by 



restatement 



of Science *2737 



Yet unsolved 614 



PROBLEMS of Biology 366 



- of the Deep . . . . , .2098, *2739 

 , Mediaeval, concerned 



the future world 620 



, Behind phenomena. . . 3316 



of Science 3078 



, Some must remain un- 

 solved 1968 



.Telescope gives mathe- 

 matics nobler 3368 



Unanswered 2317 



of the Volcano 3667 



Yet unsolved.. . *2740,*2741 



PROCESS of Change in lan- 

 guage 1828 



of Crystallization *2742 



, Discovery of the re- 

 frigerating 2089 



, Evolution a, without a 



purpose 1102 



of Germination 1365 



, Mountain building a 



long 2275 



, Opposite results of a 



single 2213 



, Power of quiet 2679 



Successfully used *2743 



PROCESSES, Bodily, affect- 

 ed by sensations 700 



, Brain, not dealt with 



by teacher 2786 



, Early disinfecting, con- 



spiciously inexact 



, Ideas not objects but . . 1547 



3133 

 139 



389 



140 

 3088 



2113 

 591 



730 

 *2735 



*2738 

 1376 



*2736 

 2583 



2597 



