INDEX OF VOLUMES I TO XX. 57 



VOL. PAGE 



Light, of Flames, Cause of the. W. Stein vii 696 



Polarized. Explanation of Color of Sky. W. Spottiswoode ii 50 



Reflection and Refraction of v 33 



-Registering Machine, An Automatic (Misc.) ix 122 



Sensitiveness of Silver-Salts to (Misc.) vii 766 



Transformation of Sound into (Misc.) xviii 142 



-Waves and Sound-Waves (Misc.) iii 519 



Lighthouse, The New Eddystone (Misc.) .... xix 574 



Lighthouses, Rhythmic and Colored Lights for (Misc.) xvii 427 



Lightning among a Flock of Geese (Misc.) vi 378 



Conductors, Efficiency of (Misc.) xvii 421 



Conductors, Metal Roofs as (Misc.) vii 254 



Curious Effect of. M. J. Safford (Cor.) xvi 266 



Effect of, on Different Trees (Misc.) x 120 



Effect of, on Rock and Soil. S. Meunier xx 655 



in an Electric Clock (Misc.) vii 379 



in a Telegraph Office (Misc.) x 511 



Mechanical Power of. D. A. Cobb (Cor.) vii 488 



Protection of Buildings from. J. C. Maxwell x 154 



-Rod, Form of (Misc.) xviii 572 



-Rod, Form of. J. Phin vii 399 



-Rod. L. H. Andrews and J. Phin (Cor.) vii 746 



-Rod, Investigating (Misc.) xvi 863 



-Rod Swindle, The Chambers. "Education for Guidance " (Ed. Tab.) xvi 559 



-Rods, Action of (Misc.) xii 760 



-Rods, Construction and Erection of (Misc.) xiii 509 



-Rods, Insulation of (Misc.) vii 378 



-Rods, The Ground Connection of (Misc.) ii 120 



-Rods, The Office of (Misc.) i 639 



-Rods, The Size of (Misc.) xv 431 



Stroke, Recovery from (Misc.) vii 637 



Remarkable. R. F. Jackson, Jr., (Cor.) xv 409 



Trees and (Misc.) xix 277 



Lights, Artificial (Misc.) xviii 283 



Intensity of Different Colored (Misc.) xii 759 



Penetrating Power of Different Colored (Misc.) viii 760 



Lignite-Beds of the Rocky Mountains (Misc.) iv 763 



Lilly, T. D. Insects and Colored Flowers (Cor.) xiv 529 



Limestone, On a Piece of. William B. Carpenter (Misc.) viii 165 



Lindsay, W. L. Moral Sense in the Lower Animals xvi 346 



Liquids, Propagation of Waves in (Misc.) viii 253 



Liquors, Japanese Fermented (Misc.) xiv 252 



Literature, Science and. William Brackett xv 166 



Sham Admiration in. James Payn xvii 48 



Littrow, C. von. Science, Backwardness of the Ancients in Natural. . . . ix 438 



Living Matter, Death-Point of. II. C. Bastian v G95, vi 185 



out-of-doors (Misc.) xii 509 



Livingstone, David, Sketch of, by L. J. Procter, with Portrait ii 327 



Lizard, An Edible (Misc.) v 763 



Habits of the Green (Misc.) xix 286 



Lizards, Florida (Misc.) xii 249 



