440 
ar risgr of the Great Exhibition, noticed, lipases, of Predazzo, xii, 214. 
— 
, Report by, on the Cruise of the 
“Bolin  gpregy 449. 
Lefroy, n Aurora Borealis of 1850-1, 
xiv, 
Climate of winter of 1851-2 in Canada, 
xiv, 135, 
a population of British America, 
xvi 
u ia on extinet species of American ox, 
and other pavers. noticed, xv, 303, xvi, 281 
on the Hippopotamus 
xiv, 290. 
on Nebraska and other fossils, xvi, 281.)/Lit 
Flora and Fauna within living animals,| 
~~ a 
e fossil animals of the Mauvaises' 
Terres xviii, 446. 
reptiles 
Leight ton, W. A., wo work by, on An iocarpous 
Lichens, noticed, xiii, — 
Lens of Rock erystal of Nineveh, xv, 122. 
Leonhard’ 7. Rlewanis of Geology, noticed, 
from Nova Scotia, xix, 
xiii, 448. 
Lepidopte ra, on preserving, xiii, ot 
Leprosy, freedom spe Arabs from, xi 289, 
—" n hot houses, apiced. & xi, 
Level of ‘of Sea, on daagea' in, A. Tylor, xviii, 
‘lave of Red Sea and Mediterranean,|| Pra 
hanges of, in the Pacific, J. D. Dana, 
ay 15 
Light, certain physi sical, | properties of, D. Al- 
ter, xviii, iy xix, 2. 
on ci srtsiebedstan ok. Stokes, xiv, 432. 
of aurora without polarization, xvi, 148. 
polarization of, Pep 175. 
by refraction through a metal, 
xvii, 121. 
connection of chemical sige with po- 
larization of, N. S. Maskelyne, xii, 64. 
mical action of, xvi, 416 4 
aniuiiie, dispersion of, s. hs 
note on, 
on internal Manion eg a i, 
eee at negative galvanic ‘wl xh 
Mig 
Light House system of the U. States, report 
on, xiii, 318. 
Lightning, effects of, W. Coffin, xiii, 134. 
‘a eax of, at Attleboro’, Mass., H. Rice, 
xv, 111, 
Lette of Spain, si, a tee 
mestone, 
a —— analysis of @ oes aE DG 
INDEX, VOLS. XI.——XX. 
s of Africa, noticed,| + 
Lyman C. S., Auroral Bow of June, 185%, 
Lyman, 2 —— of a reflecting telescope 
made b xiii, 129. 
tignche WF. of Expedi- 
onuments, on preservibga 
i, 298, 
Lieceoas artificial silicification of, xvii, — 
119. 
Linck, Dr., death of, xi, 446. 
Lindley's s Veg etable Kingdom, noticed, xvii, 
Folia Orchidacea, noticed, xvi, 130, xvii, 
43. 
ares on mee en of recent and fos- 
of gas i, 252. 
ium, Geeparston of ‘metallic, Xx, 267. 
a wom on with vapor of ether, xvi, 
motive, electro-magnetic, of Prof. Page, : 
n, W. E., report of geological survey of — 
Canale ; kh 116, xv, 129, xix, 438. 
foot-tracks found by, in Silurian rocks — 
of pal era xiv, 
d Sa iter, on the rocks of Canada, xiv, 
Lo, eman’s ma ets, prices of, xi, 278. 
4 mais, E.., ace pea law, xi, 217. 
on rk by, on Progress of Astronomy, 00- ; 
ticed, xi, 146. ; 
on satellites of Uranus, oe 405. 
ew York hailstorm, x ii, 35. 
the resistance experienced by bodies 
ne cape on ai it xviii, 67. 
eal Astronomy by, noticed, xX 
Louisiade Archipelago, observations 00, Xi; 
» New radicals containing tin, xvi, 1 
nic and Physiologi cal rbiciee 
noticed, vobighae 150. andl 
ne ape of nutmegs : 
of, xv, 
uther, sips lanet, — xiv 13 
Lyceum 0 K Nat. Hist. of New York, see 
ate 
C.,on Fossil reptilian remains of Nova 
“Teri Xvi, ge tei 
ene of Belgium 
tary Geology 
xiv, 425 
by; noticed, xX; 
ite condition of conegi xii, Lee, . 
on pendulum experiment, xii, 251, 
, notice s ae 
hat Sea, xi 
M. 
fossils of 
noticed, 
and 
M’Coy, work by, on Paleozoic 
wi 8s, oe Museum, 
Machi 
‘Best 
n, T. S. Hunt, xix, 429. 
- crystalline, in 'N 
- Hunt, xviii, 193, xix, 
“on mags 
America, T. 
399. 
ae 
vena view obi 
Fi BloegewanyD. Dz Fogel a 
