_ A5G 
C., on ay Spodumene, Rare Reibungselektricitit, 
melsberg, 
Humnite, etc., xv, 277, 27' 
Pyroxene and Horchicete: xii, 
388. Re 
Randall, report in favor of a —_ sur- 
vey of rag geenice 
0 oY Se «a ee eci action of 
~~ ‘ Ae 64, 
n the absolute zero of the perfect gas 
ae meter, xvii, 274. 
on the air-engine, xix, 37. 
|) expansion by cold, xx, 113 
~~ Rath v., alteration of scapolite, xviii, 372. 
"Ravenel, H. W., on ees noticed, nos 114, 
_ a XVil, rear 
xiii, 303. 
and of Sciences, 
nuticed, x 
Red wr 3 raion, pat ology, &e., of, from Re- 
es of R. B. Marcy, xix 
Sea — Mediterranean, relative level 
Redjield, W. G; zeeenne of Sept. 1853, 
and notices o of other storms, xviii, 1, 176. 
Reefs, see Cor 
Refraction, astronomic al, Faye, xix, 104. 
ble, temporarily pr alee ’ Westheian, 
xviii, 12 
a in tesseral crystals, by pressure, 
xv, 
Regents o University of New — 
~ a xiv, 293, xv, 303, 
Panies a ela mie forces of vapors and gases, 
&c., xix, 264, 
Reich, pom density of earth, xiv, 98. 
Reichenbach de Pollinis Orchidearum, xix, 
Remy, J., death of, xix, 
Renal organs, Burnett od mat 374. 
buildi 
San Antonio to El Paso, noti ii, 302, 
Reptile fosstl of Nova Scotia, xv, 25, Xvi, 
ibid, J. Leidy, xix, 444. 
of Connecticut R, Sandstone, Wyman, 
xx; 
lower Silurian in Canada, xii, 120. 
eg and fossil ova in Old Red Sand- 
» England, x xiii, 278, 
ute Stansbury’ 8 Report A ewe xv, 134. 
work on American, by Buird and Gi- 
foot-tracks, supposed, of "Silatlas rocks 
i ool ‘admitted to be Crustacean, 
de spernestion of phosphorus in 
anal annie eee 
of lightning, xii, 239. 
servations at Aitle- 
i J851, xiv, 139, 
INDEX, VOLS. XI.—XxX. 
xvii, 273, 
Electricity noticed, xvii, 
Life of DeCar idolle, noticed, x 
Rivers, descent, _ of 
~~ xvi, 123, 12 
n Missis ey xviii, 15 
ibid, innnda eee of, po ey 
Seer en of h 
—_ 
ito ade ea of Wnalien’o on, ge 
foliation of metamorphic, £. hstes, xix, 
122. 
ors i sents, +. 363, xii, 31. 
Ricky Monntain, fe and palwontology 
of, J. Hall 
ice sce wee : 
Remer on the Ch a. of ge noticed, xvil, 
en 
Rog , probable depth of the ocea 
af aint oropenn Chalk Deposits, xvii, ial 
Report on the salt and gypsum 0 of Vit- 
ginia, patient: si viii, 
Rogers, W. B., n binocular vision, xx, 86, 
on age of ine Red Seokamne, xix, 123, 
ogers, W. B.,and R. E., use of hydr 
| and carbonic wei in pon xvii, 213. 
Réhrs oe cillation of suspension 
bridges 
Rondelet, wn building er xi, 10. 
Rood, O. N, of Solar Spectrum 
seen with dint bine Srna, xvii, 
n the Paramecium aurelia, xv, 70. da 
method of showing diffraction with 
microscope, xv, 327. 
Root, of ,ona locality of carbonate of stron- 
tia, 
tineans iron of Sen 
’ 
eca River,’ xiv, 439. 
€, G, on origin serpentine, Xti, 219. 
oe stalline form of the rhom bohedral 
metals, xii, 279. 
uae of ang gies xiii, wore 
en zine, XiV, 
Rose, H., maruficial Gataston of Pec lachis 
xiv, 424, vs Ob 
biography of Rerzelius, xvi, 1, 173, 302, 
xvii, 103. ii, 303. 
Analytical Chemistry, noticed, x 16. 
osse, of making spec sme = 
telescopes, ean fe Ri of, xvii, 
fi on the arts and manofsctares of Indi 
of rain, xiii, 298. 
Reset, - Tea “= fall Slaw agit it, 
xiii, i 44 ks ae 
Ruhmkorff’s tus for transforming ¢¥ 
namical imo tial ep pa xv, 114 or 
pre oxydation 
&e., Bu Re xix, 414. 
Riddell, J. L J. L., binocular microscope, xv, 68, 
asiaante conden objects, xv, 69. 
en > 
LW. P ser, xv, 69, 
ae tion age 
04 of int iron, xi, 1 te 
oe sur of } rin 28 ash xiii, 143. 
utsk in, xill, 4 
Rosi | observa! 508 PS 
ee aa 
xv, 175, on Saleils eke cients 
150. a 
Ohio, "sta cissipp 
” 
