84O INDEX. 
U LTRA-VIOLET rays of the 
spedtrum, absorption of the by 
organic substances, 198 
Unit, standard, of micrometry, 456 
“ United States Entomological Com- 
mission for 1877, First Annual 
report ” (review), 129 
“United States Geological and Geo- 
graphical Survey of the Terri- 
tories Bulletin” (review), 141, 191 
University College, Bristol, five labo- 
ratory notes from, 448 
“ Urine, Pathology of the, including 
a Complete Guide to its Analysis ’ ’ 
(review), 124 
V ACUA, high, electrical insulation 
in, 240 
molecular physics in, 41 1 
Vegetable matter, use of mercurial 
vapour for studying the structure 
of, 389 
— tissues, double staining of, 328 
Venable, F. P., tungsten-manganese 
bronze, 771 
Venus, transit of in 1874, 806 
“ Vertebrata” (review), 123 
Vesuvius, history of during the last 
ten years, 463 
“Vidtoria, Aborigines of” (review), 
569 
“Vidtoria, Natural History of” (re- 
view), 439 
“ Vidtoria, Reports of the Mining 
Surveyors and Registrars of ” 
(review), 136 
“Vidtoria, Transactions and Proceed- 
ings of the Royal Society of ” 
(review), 437 
“ Victorian Year-book for 1877-78 ” 
(review), 438 
Vincent, C. W., magnetic currents in 
dynamo- and magneto-eledtric 
machines, 817 
Vine, adtion of sulphide of carbon 
upon, 512 
Vinegar, adtion of on alloys of lead 
and tin, 708 
Vivisedtion Adt, report of the Inspec- 
tor under the, 514 
Voisin, A., structure of the brain of 
idiots, 328 
Voltaic pile, new, 265 
Vulpian, M., adtion of certain heat- 
poisons, 763 
W AGNERITE identical with 
kjerulfine, 269 
Water and gas geyser, 805 
— colours, arsenic in dark, 586 
— thermal condudtivity of, 376 
Waters, chemical purification of 
waste, 768 
— organic purity of potable, 321 
Watts, H. A., “ Didtionary of Che- 
mistry ” (review), 251 
Weather indications, 700 
Weber, M., adtion of vinegar on alloys 
of lead and tin, 708 
Wein, E., J. Nessler, A. Mayer, and 
R. Heinrichs, cattle food, 326 
Whipple, G. M., relation between the 
duration of sunshine, amount of 
solar radiation, and the tempera- 
ture indicated by the black bulb 
thermometer in vacuo, 384 
Wiley, H. W., carbons in the eledtric 
lamp, 528 
Williams, G., improvements in the 
volumetrical determination of 
acids and alkalies, 391 
— W. M., contribution to the history 
of eledtric lighting, 255 
— spider’s web for micrometers, 245 
— temperature of the sun, 732 
Wilson, A., “ Leisure Time Studies, 
chiefly Biological” (review), 131 
— J. M., “A Hand-book of Double 
Stars ” (review), 810 
— W. J., divisibility of the eledtric 
light by incandescence, 450 
— harmonograph, 508 
Wines, analysis of, &c., 204 
Wisconsin tornado, 1878, 297 
Wollaston explained the construdtion 
of Gower’s improved form of 
Bell’s speaking telephone, 449 
Wood, C. J., tunnel outlets from 
storage reservoirs, 813 
Words, eledtrical inscription of, 455 
World, organic, adtion of light on the 
colouiation of the, 650 
gravitation as a fadtor in the, 
34 
Worms in fresh hens’ eggs, 702 
Y ORKSHIRE Geological and Poly- 
technic Society, 331 
Young, C. A., note on the unknown 
chromospheric substance of, 377 
Yung, M., adtion of different coloured 
light upon the development of 
animal ova and larvae, 204 
Z EISS, Herr, oil immersion objec- 
tives, 456 
Zolyet, M., respiration of fishes, 512 
Zoological Department of the British 
Museum, 452 
“ Zoology and Morphology of Verte- 
brate animals, introduction to 
systematic” (review), 368 
London : Printed by E. J. Davey > 
;ate Hill, E.C. 
