INDI.X. 



TADl-iX.KS IN si:.\ \v,\Ti:n. K^ 

 1 >sl .: |.; Wilfrc.!. .M7 



I i.ii n . r 



1 • !■ r iiliv. A liricf matlH'mnlii-.'il loiicepiiiiii 



of. JS<. 

 Telescope*. The nccil for, 7 

 T.iii|«i.,iui.- I .iii.iiiiriiil, (.t 

 I 



MM <if the, ilft 

 ' 1 I'rofessor Hjckcrlon's 



tlic'i>. riic .^tcond law of. J61 

 Thcrmostais. ^0 

 'Ihunison. I) il,-ilt<iii. (.J 

 - , l'rc.(c-ssnr J .Artliur. ■II, 83, 118. KM, 

 l"7, JIJ. J7H. JJI. H7. Jy8. ^^0, 477 

 . M.irjjarft K.. Jw 

 Thuiulerclaps, J77 

 Thunderstorms. 7. U7. 205, JS5 

 Time, To find approximately sidereal, 7 

 Tissues removed from the body. Life of, 83 

 Toadstools, Edible and poisonous, 465 



, Ink-cap, 107 



Trade-cards and other rariora. The 

 knowledge of the makers of scientific 

 instruments in the 17th and 18th 

 centuries. The, 306 

 Transmutation of the elements. The, 254 

 Trechmann. C. T., 64 

 Trees, Physiology of, 391 



. Shortening of winter rest of, 390 



Tulloch, S.. 136 

 Turquoise, Crystallized. Ill 

 Turtles egg-laying, The, 160 

 Tvrrell, (J.W.. 34, 74, 110, 152, 188. 2ii. 

 272, 316, 342. 393. 434. 474 



ULTR.V MICROSCOPIC VISION. 37 

 Violet rays, Influence of, 158 



IMlrn - violet light. Photography of the 



moon III, 432 

 Uranium. Printing with snltii of, 39 

 Craniis, Kulalion of, 231 



, The figure and mass of, 107 



V.\NAI)IU.M. PKonjv' m:s oi piKi-; 



151 

 Vapour pressure. 1 59 

 Velocities. Radial, 339 

 Venus. Rotation of. 107. 136, 361 



, Tliepl.inct of mystery, 304 



Vertebrates of Sahara. Aquatic. 160 

 Very. Professor Krank W., 329, 372 

 Vincent, J. H, 20 

 \'olcanoes of Madagascar, The, 272 



WASPS' NESTS, KOSSIL, 83 



Watch, A new sidereal, 257 



Water by ultra-violet rays. Sterilisation of 



3i 



-, Miles of green, 343 



supply and the divining rod, 152 



, Purity of London's, 233 



Watt, Hugh Bovd, 38, 80, 115, 157, 194 



240, 276 

 Waves. Ocean. 394 

 Way, The milkv. 17 

 Webb, WilfredMark, 396, 437 



Wcighl^i i..i 1 ■■_. International atomic. 



M 

 VVhale«' hairs. 118 



White. A nature calendar by (Hllxirl. 16 

 Williams. Katharine I., 381 

 Wilson, I-'iammctla, 7 

 Wings, l-2xperim?ntal reduction of, 197 

 Woods. The lints and shades of autumn, 



54. 92 

 Wool ? What is, 236 

 Worms. Tooth, 399 



-, Masses of water, 198 

 Worihington, James H., 137 



X-RAYS, THE 

 OK. 320 



CHEMICAL EIEECT 



YEAST, DRVINC OF, 392 

 Yeast, Sexuality in, 433 



ZOOLOGICAL PUZZLE, A.. 440 

 Zoology Notes, 41, 83, 118, 160, 197, 242 

 278, 321, 347, 398. 440, 477 



Printed for ih.. I-rop,ltlors (Kcowkilgc Publishing Comi>.iny. Limited), by Joil.N King, Kaling and U.xbridgc. 



