1872.] 
(545 ) 
INDEX. 
B C Sewage process, 107 
* Air and Rain,” by R. ANGUS 
SMITH (review), 498 
Air-compressing machinery, 386 
Alcohol, reagent for, 116 
Alloys for jewellery, 408 
Amalgamated zinc and other metals, 
action of acids on, 131 
Amorpholithic monuments of Brit- 
tany, I, 436 
*‘ Animal Plagues ” (review), 81 
** Anthropology, a Manual of,’ by C. 
Bray (review), 83 
“ Antiseptic System ” (review), 77 
Apparatus for generating H25, CO2, 
and H, 541 
‘* Arithmetic, Technical, and Mensu- 
ration,’ by C. W. MERRIFIELD 
(review), 379 
Armour and guns, 522 
Artificial flizht, 457 
Artillery, construction of heavy, 391 
— matériel, British, 232 
Asbestos in stuffing-boxes of steam- 
engines, 531 
Asmanite, new mineral, 39 
Association, British, abstract of pro- 
ceedings of, 509 
“ Astronomy and Geology Compared,” 
by Lord ORMATHWAITE (review), 
374 
“Astronomy, Essay on,” by R. A. 
PRocrTor (review), 500 
— meteoric, 137 
ATKINSON, E., ‘‘ Elementary Physics” 
(review), 83 
— ‘Natural Philosophy ” 
380 
Axon, W.E. A., physiological posi- 
tion of tobacco, 479 
(review), 
ALL, R. S., ‘“* Experimental Me- 
chanics ”’ (review), 256 
Ballooning, 106 
Balloons, navigable, 263 
Barron’s steel process, 520 
BastiANn, H.C., ‘ Beginnings of Life” 
(review), 492 
Battery, bichromate of potash, 128 
— gravity, 405 
VOL. II. (N.S.) 
Battery, new form of secondary, 535 
Beacons, illumination of, 21 
BEALE, L.S., ‘“‘ Life Theories” (re- 
view), 93 
‘ Beginnings of Life,’ by H. C. Bas- 
TIAN (review), 492 
Benzoline for lamps, 121 
Bessemer converter, gases evolved 
from, I00 
BESSEMER’s monster gun, 103 
Beyrichite, mineral, 262 
Billionth of a second, 129 
* Biology, Introduction to the Study 
of,” by H. A. NicHOLson (re- 
view), 377 
Biological notes, 132 
Bismutho-ferrite, mineral, 262 
Blast-furnace, removing slag from, 520 
— coal in, 100 
Blast-furnaces in Cleveland distri&, 99 
Blood, manganese in, 114 
Blowpipe, hot-blast, 272 
Boilers, evaporative 
steam, 401 
Boracite, mineral, 261 
Boring machine, hydraulic, 394 
— machinery, 97 
Brakes, railway, 264, 524 
Bray, C., ‘*A Manual of Anthropo- 
logy ’’ (review), 83 
Bree, C. R., “‘ Exposition of Fallacies 
in the Hypothesis of Mr. Dar- 
win ”’ (review), 501 
British Association, abstra& of pro- 
ceedings of, 509 
Brittany, dolmen mounds and amor- 
pholithic monuments of, 436 
Buoys, illumination of, 21 
Burt, Dr., influence of coloured light 
upon vegetation, 528 
Bytownite, mineral, 390 
efficiency of 
Guo S for microscopic ob- 
jects, 398 
Cadmium, passivity of, 403 
Calefaction, 271 
Caloric, chemical effets of in electric 
discharges, 276 
Calorific efficiency of electric currents, 
128 
4A 
