426 
Renwick oe obitua ay 306. 
Retorts, improve v, 302. 
Reuben PEhued corp likes in retina, i, 
Revolving a appearances produced 
357. 
Reynolds, anlcuasphadie in photography, 
Ruizopods of the Azoic, vii, 273, 431, x1, 
aos secretions in, viii, 131. 
Wisdisonie +4, iii, 2 
Richardson, J., —_ ary, xl, ae 
Richter, on silicon n pig-iron, v, 118. 
= ulp ranetion in ae Veale 
mangattes é in iron, Vv. 
indium, vi, 415, vii, 29, vii, 113. 
i, 126. 
RE serait, 304. 
omparative Geography xl, 142. 
Robb, J., obituary, ii, 150, 304. ; 
mode of preparing oxygen, ix, 95. 
Rock = fae see Petrol sa : 
Bat yy te on, ii, “986, Ames viii, 91, 
1, T., thallium in furnace pro- 
ducts, v, 420, 
Gemsbart electroscope, vi, 111. 
Rogers, H. D., age of N. J. Highlands, ix, 
Rogers, W. B., pebbles in Newport con- 
_ glomerate, i, 440. 
electric illuminations, vi i, 807. 
anke sha Baradhe of, 
from Mich., iv, 389. 
Plearodyetinm problemiticum, ¥, 82. 
_ Leptoecelia conca 
5s stereoscopie deine | ith 
dichroseo ope, i, 107. 
Dove’s Optical Studies, ib 109. 
experiments on lustre 
ct secon optical (tenets i, 417. 
of distance and color, ii, 
8c 
mar von gp" angulatum 
Fase 
ence Sy orm i iti, i 51, = 361. 
Dove's ater st iii, 269 
y. 
didymium, i bs v, v, 129. 
stereoscopic experime! iv, 199, 
pisalphid < of carbon ntact iv, 299, v,| 
Si 357, 
= tds 
seroltng Se disks, 
ized plate, vii, 307 
INDEX, VOLS, XXXI—XL. 
Roots, function of, Henrici, v ; 
Rosalate, from phenat e of lime, iv, 408, 
Rosalic acid, from phenylic, iv 
see é, On hy perchloric “yon iy, 131, 
ae ye contrib. 6 walled chemistry, 
Fee An ates coal-tar, Perkin, ii 
Rotation in Saururus cernuus, Scheffer, 
Rowse 
Royal Geographical Soe., Proe. of, iv, 358. 
8. || Le: 
W.: Tem. i; 
Rubldin tartrates of, vii, 
Rubidium 
‘Sac 
ee of photography to micro- ee 
of uthaie of 
electric tight on iod- 
Lof light of —— tints,|| 
, O..N., apparatus ~ Songs a luster 
ithout use ig og us surfaces or 
the stereoscope, 
_ nade profes i in Coltmbia Coll., vii, 
1 
ii, 186 
v, 408. 
‘ose, G., carbonate o t high tem- 
perature, ii, 112, vi 
isomorphism of silien with deutoxyd 
113. 
of manganese, vi 
ve recuimbite v, 426, vii, 117. 
7 series of metallic oxyds, Vii, 119. 
mock of, vii, 304. 
toeares y of Dexter, viii, 305. 
n nebule, noticed, Vii, 198. 
n, ‘on action of an on nitroprus- 
sid of sodium, vii, 408 
of Great Bri ritain, Proceed- 
ings, noticed, vi, 99. 4 
ociety, vi, 103, vii, 100. : 
medals of, iii, ‘tbs, viii, 144, ix, 114. 3 
nbidge, BN fossil discoveries in Africa, 
70, 
Ng ike tg iv, 367, vi, 114, 413. 
in pla: an 8, 1 
in triphyling, Blake, ii i, 274. 
‘eae prize to, and pokes of, viii, 
301, ix. 
Ruskin, z _, action of amr ix, 98. 
Russia, geol. map of, xl 
i, 65, 
123. 
Ruthenium 
and amm 
oN Bae ag 
onia compound iv, 133. 
mpanion to Sirius, 
servations, v, 71, 407. 
seetlat peaks 7, vi, 154. 
P construction of spectroscope, y, 407, 
astronomical photography, ix, 304. 
s 
ic enenad Wild, ix, 91. 
ect ao ix, 278. 
bisa, es geological phenomena in so- 
lar system, iii, 36. 
Paris sy ace by, i ms 149, 433. 
Mineral-comptoir of, ix, 872. 
Safely, charcoal formed under pressure, 
ili, 441. 
Safety lamp for laboratory, Warren, iti, 
aa oat J. a Upper Silurian of West 
ore ages superior formations 
fae uy 
est Tenn., Vv 
comet II, 1861, 
i, 360. 
a eismacok 
ii, 
rs Niobe (72), iti, 287, 436. 
combination 
uence of Cly 
expedition 
‘Sahara, 
aghtig A iv, 430. 
