* 
952 
Varnish, for wood, 409 
Vegetation, influence of 
light upon, 528 
Ventilator, steam, 258 
Vertical lantern, 396 
Vibrations of flames, 123 
Vienna Exhibition, 526 
Vinegar, detection of sulphuric acid 
in, 411 
Vision, recurrent, 527 
Voltaic couples, researches on, 126 
— element, new sulphate of copper,533 
coloured 
ACKERBARTH,A. F. D.,‘‘The 
Pyramids of Gizeh”’ (review), 
85 
Waaner, R., ‘* Handbook of Chemical 
Technology” (review), 502 
Watuace, A. R., Review of R. D. 
OweEn’s “‘ Debatable Land,” 237 
Walpurgine, mineral, 262 
Warp, J. C., ‘‘ Elementary Natural 
Philosophy ”’ (review), 384 
Washing linen, preparation for, 408 
Water from wells in proximity to 
burial-grounds, 112 
— freezing of, 531 
— value and storage of, 226 
Warts, W. M., ‘‘ Index of Spectra” 
review) 38 3 
— H. ‘“‘ Index to Gmelin’s Handbook 
of Chemistry ” (review), 384 
List OF PLATES IN VOLUME IT: 
INDEX. 
Waves, motion of on surface of liquid, 
267 
Weather prophecies, 432 
Wells near burial-grounds, decrees 
relating to, 410 
WHEATSTONE’S bridge, 406 
Whiskey adulteration, 410 
Wigan, coal field of, 258 
WILLIAMS, J., ‘Observation of Comets 
from Chinese Annals” (review), 
367 
“Winds, Law of,” by W. C. Ley, . 
(review), 367 
Wing of butterfly, development of, 
134 
Wire, inferior copper, 531 
Woop, J. G., ‘‘Inse&s at Home” 
(review), 82 
— protection of from fire, 53 
— preservation of, 53 
** Woolwich Infant,” 103 
EAR-BOOK of Faéts in Science 
and Art,” by J. Timgs (review) 384 
JERE Sar 
Zeolotic minerals, 262 
Zinc, coating copper and brass with, 
407 
— coating with iron, 540 
“Zoology for Students” by H. A. 
NICHOLSON (review), 376 
(N.S.) 
PAGE. 
MopERN CANNON POWDER :— 
Sectional Elevation of Crushing Instrument : : : : : 64 
Chronoscope ° : 2 : 7 : 68 
Chronoscope Pressure Curves ° : > 69 
METEORIC ASTRONOMY c > ae 152 
GEOLOGY OF THE STRAITS OF Dover . c 212 
Vertical Setions illustrating ditto 217 
Geological Map of Straits of Dover 1220 
MEDIZVAL ORDNANCE . - 336 
MopDERN ORDNANCE 5 : . 2 387 
RELATIVE SIZE OF ANCIENT AND MopERN PROJECTILES : . - 344 
LIST OF WOODCUTS IN VOLUME II. (N.S.) 
Natural and Artificial Flight (7 figures) . 5 ¢ 0 . n 27 
New Apparatus for Gas Analysis . 
Compound Prisms (2 figures) 
Natural and Artificial Flight (17 figures) . . : 
Spectrum Analysis (4 figures) 
113 
120 
182 
247 
Image of the Carbon Points of Eleatric Lamp : - 255 
Apparatus for Showing the Motion of Waves on the Surface of a 
Liquid ‘ : : 6 A . A - 268 
Erection for Binocular Microscope 2 308 
Improved Reflex Illuminator for Highest Powers of Microscope >|" 1400 
Telegraphic a. : : : : ¢ : c : : 5 - 404 
An Aérial Ship (3 figures) : 5 c : . « UUA5O 
Apparatus for Generung are CO,, and H . : : . : «5a 
