Mat 26, 1882.] 



fr."Sl?."r,rrur.''.ford.,er,bi,>g the. 230 

 jDservation of solar enerRJ, o93 



oiisoaiption, SlU, ISIO 



and tobacci, 830 

 orora, owner of the, 433 

 r«ui*l contour, 



vied : 



, 9t 



.poMles 13!t 



liBWIs and desirp, 160 



i.rwin'« theort of eToluuon, ll» 



thede.centofma.. 2 9 

 and the microscope, -.7 

 )ay,'ihort»ni'g of the, 3I>1 

 )eBOent and Darouism, - >3 

 )iet, the perfect w«t in, WJ,oO- 

 )oe, an intelllBent, 220 

 , in.elliBei.oe iu the. M7 

 an idiot. 179 

 log., the eyes.nht of, 3S9. 46/ 

 3onati'« cometa, li3 

 [IreaniP, 345 , 



Dnnman, the late Mr. Th'-ma". 6;0 

 liAUtH, heat ol the interior, 433 



„ popnUtion of, 6(o 

 Hfleminacy of appearance. 9& 

 Klectric teleeraph. ■»"», 601 

 Electrical aorumulator, new form 01, i->i 

 hells, 1«> 

 image*, 273, 40^ 

 P lecVro-platini;, 3t>3 

 Elementary eleclricitT, 143 

 Kncores at concerts, tiiO 

 Eocr.i,it.B, 387 

 Kvemreens, onffin of, -/O 

 Evolution, 1«4. 252 

 Ei'Sight of dog», '388, *>' 

 FlBTHlns, interest on a, -3- 

 Faure accumulator, the, IIB 

 Ferrier Dr., ana vivisection, o8 

 Fla.h of lightnine, duration ol a, 121, 187 

 Flesh food, 2!9, 3.'2, 33U 

 Fleiure in planes, 362 

 Flowers of 1 he sky, IIB 

 Fluorescence, 611 

 Food question, a, 186 

 Fossils in meteors, 388 



in meteorites, 302 . 



" from London clay, their preservat.oi 

 " Sc how to preserve them, 433 

 Four fours, 184, J2» 

 > ox and guns, 229 

 Funei and lichens, 229 

 GiS, mannfacture of, from wood, .188 

 Gh'Sts, 233, 403, 501 ^^ 



Glacial epoch, time of the, -0- .,- 



Glimpse ihr'Ueh the corridors ot time, -oi 

 Golden sa ids, 501 

 Grammar, 13D ; a question of, U 

 Gran me machine, reversihill'y nl th 

 Gravity, and Sir K Phillips b4 

 do comets obey n fVi 

 ' what is the cause of, ost 

 cause of, 99 



irrr^:5^^(~«a,,52i 



Heads male and female, 209 

 Heatofthesnn, 74, 9«^ 

 ,, from the sta'S, -o- 

 High numbers, 478 

 Hints to correspondents, to 

 Histiiloey, books on, 207 

 Horseradish, 303 



'"•'tBe.'the'tn'Qreat Britain, 3il, (dlu.trated) 315 

 yachts, speed of, 3-1, 

 „ can they sail 



Illusions, IH, 139 , „^ . .,rt 



"In Meiotiam," disputed passage in, 5r« 

 Inclination, the earth's, 36 

 Insnlators earthenware, W4 

 Intelligence in animals ls7. 2o2, ./3 

 Interior of the earth, 296 



„ heat of tne earth, 36i 

 laterstellar space, temperature of, 25i 

 Intoning in synasogues, 59 

 Intra-mercurial planet, 3.1 

 JuttTiBT, 1S32, the weather of 303 

 Jombo-iotelligence in amines, 611 

 Jnpiter, D.nnine's comet, IW 

 in Cassiopeia, 1.8, o"l 

 Ksowl.«I>GH and the scientiBc societies. 14.) 

 for the yrung, 11/ 

 technical t-rms, 78 

 I LiSKYank, the, 4-i7, 502 

 L Latin quo'aiions, 57 



I Lectures, 3'i2 

 Life, duration of, 339 

 Light and heat waves, 2o4 

 .. and lanterns, 251 

 ,. the invisibility of, 93 

 „ velocity of, 164 

 ,, vibrations of, in ether, 163 

 lightning in November, 96 



protecting houses from, 117 

 Link, the missing, 74, 93, HJ, 111, 429 

 Liquids and their vapours, L5- 



♦ KNOWLEDGE ♦ 



Logarithms. 96 



^ table of, 207 



Longevity in animals, '231 

 Luminous phenomenon, I'-l 

 Lunar lUusions, 57, 93^230 

 Magic squares, 186, '^74 



wheel, th.-, •2'29 

 Magnetic needle, the, 208. 263 

 Man, antiquity of. 18o. '2u7 

 descent of, 254 

 boilers, 253, 272 

 Marriaee and the death-rate, 139 „»,h» 



M«w*li; Professor Clerk, and the reversibility of the 



grainme michine. 113 

 Memory if language in a bear. 187 

 ^'-''.^"'^'■.'"theyamaUerth.uofyore? M. 78 



M.-ne9','d«teof,207 

 Mental physiology, 16S 

 Meridian.l (arts, tallies of, 94 

 Mesmerism, 301, 361 

 Meteorites, fossils in. 303 

 Metrical system, the. 99 

 Microscooical, 389 

 Mind-doolor«, 273 

 Minhocao, the. 302 

 Mock suns, '232 



ikey, intelligence of a, 43S 



,„. an «'-fi;'«J;;„'^j^ ti,, 233. 251, 277. 301 



113 



ill faster tha 



' 16, 5t) 



diamete 



501 



of the i 



s 42 in. object glasi 



rioB of light round the, 233 



tthe, 184 



321 



1 Everest, 



on of the, U4,: 

 npntiog the, 55 



[[ the, and the weather 

 Moses, burial of. 431 

 Mountain, a, 3.000 feet higher tha 

 NiJIBS of stars, 143 

 Natural philosopiiy, history ot, 3i>- 

 Nautilus, the, 252 

 Navvies, health of, 251 

 Neolithic man, 456 

 Neptune, density of, 164 

 Newspaper science, 163 

 November meteors, 35 f o.^ 



Number 4, singular propertv of, 209 

 Nomerical eointidsnces, 2 9 

 Open lire-places, 603 



OfS musions, 67, 95, 230, 341. 345, 339, 409 

 Ordnance maps, the 1-inch 9) 



survey, the 1-inch map, do 

 Orrery, an. 164 

 Our unbidden guests, 208 

 PilsoiiiHic man, colour of, 4'8 

 Palizsch and Hallev s comet, 93 

 Papua, a high mountain in, 63J 

 Parable for Paradorers, 139 

 Paradoi, a mathematical, 432 

 Pasteur's plates of germs, 143 

 Pendulum, possible daily vans 

 variability of a, IM 

 Periphery of ellipse, error in c 

 Personal identity r tattoo marks, 20, 



.. illusion, 433, 521 

 Phillips, Sir Kichard, 161 

 Phrenology, 69, 96 



and the brain, 209 

 Planet, retrogradation of », 164 

 Planet's movements, 59 

 Planets hid ng stars, 163 

 Plauetary riurs, 1.4 

 Plans for the New Vear, 16J 

 Plants in bedrooms. 431 

 Plating, 363 



alkaloids, 2o4 

 Pneumatic bell, 230 . 

 Poisons, a new comparison ot, lib, aits, -i 

 Polarsun, the, 362 

 Polarity r. Gravitation, 115 

 Pole at the north, 345 



srar. the. and precession, 203 

 Popular electricity, 99 



,, fallacies, -231, 276 

 Population of the earth, o75 

 Potato the 431. 520, 611 

 Precesriona'l reeling of the earth. 139 

 Pressure an instance of, 188 

 Primary colours, the, 18 1 _ 

 Prisma.io analysis, new fact in, 2/8 

 ProbabiUties, 301, 610 

 Problem, a pretty geometrical, 229 

 Problems geometrically insoluble. U5 

 Psycho, 207 



Purple of the ancients. 387 

 Puzzle, the hog, 232, 363, 43- 

 the three square, Ibb 

 •• the fifteen, 37. 74, 101, 18.5, 230 

 Pvrimid. the, and paradoxera. 113 

 ' ,. the Great, 163 



measures, 94, 114 

 .nntiquitvofthe, 168 

 „.. „ i'n Knowlibge, 184 

 loMETBE, the, 3=8, 457 

 baud, the, 433 

 naii.bow, a remarkable, 115 

 Rainfalls and forests, 122 

 Raf, why thev gnaw water-pipes, 140 

 Rattlesnakes. 231 



Pyra 



QCBI 



R 

 K 



Reflecting telescopes, 45« 

 Richter'a dream. -Hi, iii 

 Rowing, notes on, 4,9 „ „, .=7 



SiluaN. physical appearance of. 4o7 

 Saturn's shadow, shape of, -33 

 Scent. 363 . 



Schoolgirls, the flfteen 186 

 Science and religion, 3•^9 

 true spirit of, 140 

 Scientillo paradox, 254 

 Borew-driver, 478 



tubes, 693 

 Seagull, a clever. 67 

 Seeking after a sign 4i6 



irx! irflu-e;:: ofTrn'mf,^, 35, 78, 230, 276. 321 



Sexes, comparison of, 3-18 



Shortening of the day, 361 



Sidereal time, 612 



Singular illusion, 118 



Sirins and Orion, 164 



Small telescopes, 209 



Bocieties, reports on, liH „,;,„„f ..11 



Sodom and .«mo.rab. destruction ol, 131 



Solarheat. 96, 164 



,, waste ot, 06 

 illumioation. equality of, 144 

 puzzle, 276 

 „ storms, 165 

 Solution, cold saturated, ii ^ 

 Sound, -208 „ 



Space, is it boundless r oa/ 



,, paradox, 478 

 Spectral lines, 345 

 Speech, partial loss of, 38J 

 Spherules, water, 1« ,.. 

 Stamens, colours of, -o3, -/o 

 Starch in potatoes, 50- _ 

 Starfiih, the common, IbJ 



letters and numbers, Ibl 

 ,, maps, 117 

 ,, names, 77 

 Stats, the, in their courses, 29b 



and the earth, 612 

 Stone on wheels, 115 

 Stove-warmed houses, 388 

 Sun distance of the, 99 

 ,. ' is the, hot ? 15, 35, 06 

 '„ constitution of, 209 

 Sunday art exhibitions, 113 

 Sun god festivals, 278 

 Sunlight on fires, 252, 277 

 Sunspots origin of, 209 

 Synagogiies, intonation in, 59, 116 

 T-ATTOO marks, 253, 275 

 Technical terms, 121 

 Telephone, 479 



(Illustrated), 408 



Telescope, 275, 296, 389, 431 

 a £5, 121 



how to construct one 2/0 

 practical work with the. / / , 1 1 6 

 Telescopes,_^che^ap. 232^ years' system, 456 

 Telescopic images, brightness of, 433 

 Terraces in Dorset valleys, 301 

 Thawing ice (illustrated), 207 

 Three-square puzzle, 116, 184 

 Thunderstorms, action of, 3il 

 Tides a new theory of, 68 

 Toads', 165, 231, 277 



„ stuDg by insects, 207 

 Tobacco and consumption, b3J 



,. and science, 3^8 

 Tricycles, 521, 559 



T.-ioor'tin.' an ancle, 11/ ,,,., 



u"™htI of London, matric. exam., 432 

 Ursa Major, 230 

 ■Variable magic square,//* 



^rs°arVa"'m'f 25°l,"55,'3'i2', 3.?2, 389. 407, «1, 479 

 Ventilation by'opeu fireplaces. 457 

 Ventriloquism, 387 

 Venus in sunshine, IBl 

 Vermin, 209 .„ ■ . sa 



Vivisection and Dr. Ferner. 53^^_^^_ ^^^ 



Volcanic projectaes, -276, 298 



'Zt:Z-.ZTIt.t:m. '^ "276, '296. 34,, 3B1 



WindmUl illusion. -276 



Woman, social influence ol, 46/ 11)5,466 



Women : are they inferior to men .- /7, 9.,, , 



Word-choice. 165 



Worms, 296 



ANSWERS TO CORKESPCNDENTS. 



.icHROMATisixo tel»Bcopes. 577 

 Alcohol and work, 365 

 Altruism, 459 

 American humonr, 3Uo 

 Apes tails of, 613 

 Apsides, motion of, 327 

 Archimedes and the cylinder, 213 

 Axial rotation of the earth, 481 

 Bateachiabs and reptJes. 281 

 Hell's line-writing. 437 



rr^o'r;d/yraor.ir?h;m\\^bou.,6:a 



