INDEX TO VOLUMES I-X. 
Page. 
Laplace ignored by the Am. Phil. Soc., 
villi xxxviii 
ATANIIC) HOTA vecrassnsoncvareuctons Sustnbeusseusseest viii 17 
Lassell cited on the satellites of Uranus, 
i (30), (34) 
Observations of Hyperion by.................if1 40 
Latent heat..... ...... Ba suannasanusuureasanceoses sweatsbne v 137 
Impressions ON G]ASS......ss0eceeeeree «At 39 
Latimer, George, Legacy by..........0. di 48 
Latitude, A methoa of determining........... ii 105 
GCOMPUTALIONS «....ccsscccscscnnsessecnseens ncesdeseeenem Ok 
of Lockwood’s farthest north................be 9 
variations oOf........ fecaes Mecousedane 
Lava fields of New Mexico.,......ssesceseseeees 
Leadville ores ..........00+ eerecae aehoocacveasscsvarces 
Least square computation........... 
RENAEC Sap ereceexe-cawcssteneavacsecetGa nesasers Sepneneare i 62, 89 
Le Conte, John, communication on the mi- 
croscopical structure of wool............ ii 62 
Lee, W., communication on medallic medi- 
Cal history. ADstract...........ccsereoeee vi 39 
Lefavour, E. B., remarks on infinitesimals, 
wi 135 
music and the elements............sess000 vii 28 
Lefroy, letter on changes of sea-level at Ber- 
muda. Communicated by J. Henry. 
Wo abstract........... piensuancetaptaneeeacueresercve a 75 
Legendre ignored by the Am. Phil. Soc., 
wilt xxxviii 
Lehmus, Prof. D.C. L., cited on Malfatti’s 
problem............. aa neeenauea Wcccsctivancaccsens ii 115 
Leibnitz cited on Newton’s philosophy......v 162 
Leibnitz’s philosophy......... Reeepaiununers eoeeeee Wid X]ii 
Lenses, Achromatic combination of........ 
Cylindrical.......... piediddaagesnwasaceusausanssa seascwat 
Le Sage’s theory of cohesion............0..-...W 129 
Lesquereux, Prof. L., cited on fossil plants 
POM: VAT SINIAS coccccsccccessverecsos s-eeehl (38), (40) 
Levees of the Mississippi delta................06+ i (14) 
Levelling instrument, Proposed................4d 184 
Lewes, G. H., cited on action at a distance..w 157 
YEpee’s instruction of the dumb.. 
Ley cited on cyclonic motion........... 
V’Hospital’s trisection instrument... 
Liagre’s theory of target shooting 
Library of the Surgeon General’s Office......1 92 
Lick, James, letter on proposed observatory. 
Communicated bis J. Henry. No ab- 
SEPACE .0100000 aap staveeeaesnaaas eacuedivasenyeussbeasench’. OL 
Life...... Asaiaackane paaeeeslehcanssens ia 21, v 49, 102 
and slnohviaity. sa suemeaseasasseasTw BT 
foree...... Sradasecceons arcentstuectscee' We, OF 
Modern philosophical conceptions of.....w 49 
Light and SOUNG..........ccsceccssrrcceeeesseseeredW 143 
of the sun, passed through a narrow slit, 
iii 119 
151 
Page. 
Light-house establishment of the United 
RPGC Rmadeatacsecusiecascceses “preconcnecne Pare bce St} 
BASIE CAMISG Of ..ccccsenascscasscstteseresecccees ii 189 
Limnea megasoma, Depauperation of......d41 75 
Bimpets ye -cckccsces Macunbancalicavadceresatarscts et.....Wih 4 
Linneus, cited on growth of stones............W 67 
WAMOTAOL Yer sateustesrsycatteacaseseses roche i 77 
Lippman, G., cited on electricity................. v 168 
List of deceased members...... lil xiv, viii xxv, 
ix xxvi, x xxviii 
members......1 19, (37), 44 ix, iif ix, 153, iv 15, 
vil5, vi xvi, vii xvi, vili 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.............se0 was epaewendeee neces x 36 
Lister, Prof. J,, cited on germ enlture aneses li 109 
Lithology. See Geology. 
Littrow’s telegraphic system........ gevaveundhensee i 101 
Loans by banks in France, Germany, and 
the United States.............. Che reece av 31 
Lockwood’s expedition to farthest north.ix 8 
Locusts, SHOWer Of. <dvsssaps<casesaccesonessdvaweecees ii 87 
Lodge, Dr. O. J., cited on electricity..........v 168 
Loess of eastern LOWS.........sccsscceees aeeaehes vi 93 
OriginpOts Ces lsesocedesresctsoansess cvoscduvesste iv 121 
Logical algebra........sssssvessee» Motwansesehas sudan wel 88 
Lombard, J. S., cited on brain temperatures, 
-_w 75 
Longitude computation.........cccccseerseseess -Wili 52 
Loomis, Elias, cited on cyclonic motion, 
1107, 108 
retardation of storm Centres............se00 
Lovering, Prof., cited on auroras....... wanayan 
Loxodrome...... meNesrsarenesensuadeduemensrae asaestesty 
Lueas, F. A., communication on museum 
specimens illustrating biology. Title 
OND eicrsscatussacesteessaducsadassnasucnaqastes sccconkx 36 
Lucretius’ A ee Waeiauavs Ceoreaconcecctey vil xxxvii 
Lull, E. P., communication on the inter- 
oceanic canal through Nicaragua. 
THELGIONUaacacneeactcannctiarseet weceeneeae stasaede) 83 
DG HEN Of eacanawecsnunecenncceoaseesees Bvaaencasseartcure eS ES) 
Thun ar theory siccaesiuccsucsatercessctacesecss iv 57, vi 136 
variation of magnetic declination.........i41 47 
Lymph, Motion of the............:ecccsssesseeees 2.8 133 
McClellan, Gen., cited on phenomena of 
BOUND lsecepcscocens agduasesvexenGnuenaussenesasess eed (48) 
McCullough, Hon. H., remarks on U.S. sur- 
plus given to the State of Indiana...vi 106 
McDowell, S., cited on thermal belts....... away UE 
McGee, W J, communication on the drain- 
age system and the distribution of the 
loess of eastern Iowa. Abstract......wi 93 
