INDEX TO VOLUMES I-X. 
151 
Page. 
Laplace ignored by the Am. Phil. Soc., 
vlii xxxviii 
Laramie flora.. viii 17 
Lassell cited on the satellites of Uranus, 
i (30), (34) 
Observations of Hyperion by. lii 40 
Latent heat.v 137 
impressions on glass. ii 39 
Latimer, George, Legacy by. il 48 
Latitude, A method of determining. ii 105 
computations. x 91 
of Lockwood’s farthest north. ix 9 
variations of.. viii 10 
Lava flelds of New Mexico. vii 76 
Leadville ores.32 
Least square computation. vi 150, viii 41 
squares. i 62, 89 
Le Conte, John, communication on the mi¬ 
croscopical structure of wool. ii 62 
Lee, W., communication on medallic medi¬ 
cal history. Abstract .vi 39 
Lefavour, E. B., remarks on infinitesimals. 
vi 135 
music and the elements.vii 28 
Lefroy, letter on changes of sea-level at Ber¬ 
muda. Communicated by J. Henry. 
No abstract . i 75 
Legendre ignored by the Am. Phil. Soc., 
viii xxxviii 
Lehmus, Prof. D. C. L., cited on Malfatti’s 
problem.ii 115 
Leibnits cited on Newton’s philosophy.v 162 
Leibnitz’s philosophy.vii xlii 
Lenses, Achromatic combination of.iii 65 
Cylindrical. vi 4 
Le Sage’s theory of cohesion.v 129 
Lesquereux, Prof. L., cited on fossil plants 
from Virginia.ii (38), (40) 
Levees of the Mississippi delta.i (14) 
Levelling instrument. Proposed.ii 184 
Lewes, G. H., cited on action at a distance..v 157 
I’Epee’s instruction of the dumb.vi 63 
Ley cited on cyclonic motion.i 107 
I’Hospital’s trisection instrument.x 99 
Liagre’s theory of target shooting.vi 138 
Library of the Surgeon General’s Office.i 92 
Lick, James, letter on proposed observatory. 
Communicated by J. Henry. No ab¬ 
stract .i 91 
Life. i 27, v49,102 
and electricity.v 57 
force. V 57 
Modern philosophical conceptions of. v 49 
Light and sound. iv 143 
of the sun, passed through a narrow slit. 
iii 119 
Page. 
Light-house establishment of the United 
States. iv 135 
Lightning, Cause of.. ii 189 
Limnaea megasoma. Depauperation of. iii 75 
Limpets. vii 4 
Linnaeus, cited on growth of stones.v 67 
mineralogy. i 77 
Lippman, G., cited on electricity....v 168 
List of deceased members. iii xiv, viii xxv, 
ix xxvi, X xxviii 
members. i 19, (37), ii ix, iii ix, 153, iv 15, 
V 15, vi xvi, vii xvi, viii xvi, ix xvi, 
X xvi 
members of the Mathematical Section. 
vi 116, vii 86, viii 36, ix 52, x 82 
recipients of the Bulletin. ...iii 159 
The consolidated.x 36 
Lister, Prof. J„ cited on germ culture. ii 109 
Lithology. See Geology. 
Littrow’s telegraphic system. i 101 
Loans by banks in France, Germany, and 
the United States.iv 31 
Lockwood’s expedition to farthest north..ix 8 
Locusts, Shower of... ii 87 
Lodge, Dr. O. J., cited on electricity.v 168 
Loess of eastern Iowa. vi 93 
Origin of the. iv 121 
Logical algebra...... i 88 
Lombard, J. S., cited on brain temperatures, 
V 75 
Longitude computation.viii 52 
Loomis, Elias, cited on cyclonic motion, 
i 107,108 
retardation of storm centres.v 108 
Lovering, Prof., cited on auroras. i 44 
Loxodrome.vi 124 
Lucas, F. A., communication on museum 
specimens illustrating biology. Title 
only .ix 36 
Lucretius’ philosophy. vii xxxvii 
Lull, E. P., communication on the inter- 
oceanic canal through Nicaragua. 
Title only . ii 83 
Death of.. x 8 
Lunar theory. iv 57, vi 136 
variation of magnetic declination. iii 47 
Lymph, Motion of the. ii 133 
McClellan, Gen., cited on phenomena of 
sound. ii (48) 
McCullough, Hon. H., remarks on U. S. sur¬ 
plus given to the State of Indiana. ..vi 106 
McDowell, S., cited on thermal belts. vi 11 
McGee, W J, communication on the drain¬ 
age system and the distribution of the 
loess of eastern Iowa. Abstract . vi 93 
