1874.| 
Coloured tapers, 280 
Comet, Coaara’s, 546 
Comets’ tails, curved appearance of, 
508 
Composition of the natural com- 
pounds of tantalium and niobium, 
266 
Concrete blocks, 269 
Condition of silicon in pig-iron, 408 
Conditions under which diamonds are 
found, 263 
‘Conservation of Energy ” (review), 
232 
Construction and maintenance of 
Braye Bray Harbour, 123 
Consumption of coal in our blast- 
furnaces, 263 
Contact theory of the battery, 279 
Cooke, J. P., jun., mineralogical 
paper, 409 
Copper mines, native, of Lake Supe- 
rior, 162 
— ore in Anglesey, 120 
“Correlation of Physical Forces” 
(review), 524 
Corundum, discovery of, 264 
— study of, 265 
Counterfeit wines, 280 
‘Creation by Evolution, or Darwinism 
and Design” (review), 229 
Crookes, W., notes of an enquiry 
into the phenomena called spirit- 
ual, 77 
Crystals of metallic antimony, artifi- 
cial, 408 
Cu.Ltey, R. S., ‘* Handbook of Tele- 
graphy ” (review), 255 
CUNNINGHAM, A., investigation of 
determinants, 212 
Cutting sections forthe microscope, 417 
ALLINGER, W. H., life-history 
of monads, 273 
Danvers, F. C., annual international 
exhibitions, 332 
— — economy of fuel, 67 
Davipson and Kina, Trimerellide, 
415 
Davies, T., ‘‘ Preparation and Mount- 
ing Microscopic Objects” (review), 
252 
“ Darwinism and Design, or Creation 
by Evolution ” (review), 229 
Davy lamp, method of preventing 
tampering with, 262 
Deane, H., death of, 417 
Deep sea sounding, 541 
— — thermometer, 277 
DENAYROUZE, M., ingenious apparatus 
for the miner to obtain fresh air, 
262 
INDEX. 
551 
Deposits of iron ore in Mount Bis- 
choff, 406 
Deptford water supply, 267 
Diatomaceen typenplatte, 546 
Description of horbachite, 123 
— of microsommite, 123 
‘Description of Practical Solid Geo- 
metry ”’ (review), 397 
Description of stones called cat’s- 
eyes, 122 
‘Design and Darwinism, or Creation 
by Evolution ”’ (review), 229 
Designs for ships, 412 
Determinants, investigation of, 212 
Diamonds, conditions under which 
found, 263 
— in South Africa, 272 
Diffracted and refracted spectra, rela- 
tion between, 27 
Discovery of corundum, 264 
— of fossils, 271 
Displacement of the method for ob- 
taining voluntary returns, 261 
Dispute about fine lines on test-plate, 
131 
Distribution of spathic iron ores, 
406 
‘‘Divine Revelation or Pseudo-Sci- 
ence ”’ (review), 523 
Double acetates, 137 
Douctas, H., luminiferous ether and 
atomic matter, 180 
Douatas, J., native copper mines of 
Lake Superior, 162 
Drayson, Lieut-Col. A. W., Pole star 
and the pointers, 285 
—on the curved appearance of 
comets’ tails, 508 
Dublin water supply, 269 
Dunn, E. J., conditions under which 
diamonds are found, 263 
| Daevns HQUAKE and volcanic erup- 
tion at Nissiros, 127 
Eclipsing apparatus at Holywood 
Lighthouse, 541 
EDGELL, A.W., discovery of fossils, 371 
Epmunps, R., recent extraordinary 
oscillations of the waters in Lake 
Ontario, and on the sea-shores of 
Peru, Australia, Devonshire, &c., 
156 
Economical uses and production of 
fuel, 194 
Economy of fuel, 67 
— of steam, 268 
Effects of heat, 134 
‘‘Elementary Treatise on Physics, 
Experimental and Applied, for the 
Use of Colleges and Schools” 
(review), 117 
