INDEX, VOLS. XI——Xx, 455 
anon = the vegetable cell in, von Mohl,|| Price, A. P., rece of calcium for destroy- 
vy, in Oidium, xvi, 4 
Pi caves of, xviii, 433. Principles of ookiag by Agassiz and Gould, 
freezing of J. L fe xiii, 84, 195, noticed, xi, 447. . 
ibid, A. DeCandolle, xiv, 445. Pri ea Ferns, &c., on engraving plates for, 
influence of light, eae. a on chemi- 1, 
cal changes in, xi, 286. Pri ‘chara s Natural History of Man, noticed, 
influence of light on, Gladstone, xix,||_ xx, 131. 
Pritchard's History of Animalcules, noticed, » 
on ad be rowth of, in glazed cases, xvi, 132 y J. W. Bailey, xv. 299. 
and animal fife, on n preserving the bal. Prt Thesaurus Lit. Bot., ution, xiii te 
ance between in seawater, R. = Mc e oe ‘ 
: 
xvi, 444, yee etc., noticed, xx, 
and animals, limit between, EL. Lankes-|| Prize, from the Berlin peers xii, 445. cde 
ter, xix, 282. Priz zes of Acad. Sci. at 8, XIV, % xvii, 
fossil, in amber. , 287, 
. of tertiary in Silesia, xiv, 281. pro poséd hy the Société d’Encourage- 
' Catalogue of U. S. me edicinal, by Ajj ment, xvi, 4 
! Gn noticed, xv, 466. roblem by Bapu Deva Shastri, xi, 194. 
e farther, "Botan mene Morley on, xii, 482. 
Ricinam, note on disc covery of, xviii, 447. -ropiony] series, Xx 266 
= cry atallising from fusion, xx, 340, -ropy lamine i in plants, xiii, 114. 
n California, xx, 79. || Proteus anguinus, J. C. Dalton, xv, 387. 
: Playfiir, L , on the nitro-prussids, xi, 1 Prout, H. A, new graptolite, xi, 787. 
| lecture on the Grea t ex hi _— F ia ne -soros ermia, W.T. Bu met 3 104, 
de tiegeeny artificially produced, Senar- Pu rification of _ gas, x 
: t, xvii, 414, Purpurin Re <P e 
a Plicker. on the magnetic relations of gases, * leas -electric po A Becquerel, xviti, 384 
i, 110. a e, reproduction of cotton from, 
: pee tism of oxygen, xii, 427. i, 406. 
on a and paramagnetic substan- 
ces, xvii, 42 Q. 
Plumagery, on Chinese and Aztec, D. J. 
Macgowan, xviii, x uader-formation in Germany, xiv, 424. 
Peppig, appoin nted to chair of Prof. Kunze, + sangeet Journ: = of Microscopic Science, 
noticed, xv, 15 
Pong, use of bromine in examining for, yseehis lens of pee: xv, 122 
rig A.d on phosphorescence, xv, 
ae’ ‘oresby on, xvi, 6. on93 ; avy 
Polarization oF the atmos oes on pisciculture, xvi, 2 
WOE. Blake, xi xiii, “ae cua ye aia, 
of sleesbiien 1 P. Blake, xii, 339. 
colored figures og ‘objects with, xi, 89. Quekeit, J., Lectures on Histology by, no- 
of hi xv, 175. iced, xiv, 151, xviii, 157. - 
—— — t by refraction through a metal, on the Mermarses: Be ges xiv, 65, xx, 
of ie = connection eae sno rht, x oe 
with, V8, Maskelyne, iy rien | ting stars of jangle 7950, xi, 
neste = rotated b anism, Wiede| 
P cm -“ 111. y aly 3 he oye as aoabag- rnc 
0 ‘et ies uin: ine, XV, XVil, 
ies artificially produced, xvii, 414, Guin ae tes xvii, 413. 
Polyt technic figerg: e xv Quinguinae, uew, examination of, xvii, 271. 
Polythalamia, 2, 06; lb an si svii, 176, || alkaloids of, xvi, 414. 
ee tepetl, a t mis xi, 366. 
puline, researches on, Piria, xiii, 412. R. 
Potash, on aking bi-chromate, ne 269. 
eparation of caustic, xvii, 123. Radicals, organic, see Organic. 
are eyanid of, Rieken, xiii, 260. Railroad to - not ~ of Reports on, ex- 
Py ric balance, xi, 114. plorations for, 
ttsville Scientific Association, xx, 296. — on magnet attraction for aiding 
He on the Foraminifere, “y 1. on . Nickles, xvi, 337. 
wder, manufacture of, xviii, 436. Rain, rapidity of fall ak xiii, 298. 
for, xv vi, 271. in the Khassya Hills, xiv, 447. 
Precipitate, — bt haf _ 113. __ of Temperate ap ese , Dove, xx, 399. 
i pe zoolog: making, H.||Rainbow by light reflected from water, E. 
_xit, TS, 227 S. Snell, xviii, 18. 
Prescott, W., EL Den Pe Te tertiary, ©. Hartwell, xvii, 56. 
pan 30 : Raindrops on clay, Hitch, xix, 395. 
servation of animal substances, H. Goad- Rainwater, ammonia ee we dre xvii, 265. 
by, xii, 378, \Rainey’s Abacus, notioed, xi, 
