332 
Levine, Edmund J., elected resident 
member, xv., 147 
Lexell’s Comet, history of, x., 110 
Leytter, Emile, elected resident 
member, xv., 147 
Liatris punctata, vii., 10 
Libbey, Jr., Prof. Wm., elected cor- 
responding member, xili., 171 
Libocedrus decurrens, iii., 85 
Librarian, vi., 1, 109-167 
report, iii., 70 ; vili., 126, 127 ; ix., 
3, 56, 107 ; xiv., 90 
Librarian’s report, xv., 132 
Exchanges added, xv., 132 
Requests for publications, xv., 132 
Librarian’s expenses, xv., 133 
Library, accessions to, viii., 4, 29, 
175, 184 
Library of Academy, condition and 
increase, ili., 70 
removal, iii., 106 
Library of Academy, v., 1, 20, 164,282 
Library, Academy by law, vi., 1 
transfer of, vi., 12, 109, 110 
accessions, vi., 109 . 
exchanges, vi , 167-182 
Library, disposition of, iv., 46 
Lichens, attack on Stone, ii., 123 
Life of Arnold Guyot, iii., 66-88 
Benjamin N. Martin, iii., 56-60 
building stones, in New York, ii., 
136 
Mr. Thomas Bland, v., 29, 278 
Dr. A. C. Post, v., 280 
Triassic, vi., 124-128 
Light, are, x., 103 
oxhydrogen, x., 104 
electric, v., 97-102 
Lightning, protection from, xiii., 111 
Lignite, ii., 86 ; v., 230; ix., 35 
in ‘‘ Amboy”’ clays, v., 136 
Ligusticum montanum, viii., 80 
scopolorum, viii., 78 
Likeness of Dr. Priestley, viii., 17-20 
Liliacea, vii., 14 
Limaz agrestis, xiii., 136 
Limestone, i., 15-19, 22, 58 
erosion of, i1., 60 65 
li., 11, 16, 25, 69-72, 85, 95 
caves in, ii., 36-41 
durability, ii., 128, 186, 137 
eocene, near Green River, iii., 13 
pebbles, curiously grooved, iv., 2 
V., 222 
INDEX. 
at Natural Bridge, v., 218 
beneath Trias of New Jersey, v., 19 
in San Juan Mts., v., 125, 126 
overlying ‘‘ Dakota,’’ v., 133 
stains and decay in, v., 62 
of Staten Island, vi., 13-15 
of Ne Jiavis, 09 
of Illinois, vi., 137, 138 
Limit to economical expansion in 
steam engines, ii., 1 
Limnanthemum lacunosum, iii., 43 
aquaticum (new), ix., 121 
Limonite, ii., 7, 14-17; ii1., 18; v., 
229,230; vir, 16, Di ORE 
vili., 54, 60 
of Staten Island, viii., 180, 181 
from St. John’s River, xiii., 22 
Limulus, ii., 8; xii., 241 
larvee of, ii., 106-107 
polyphemus, ii., 106-107 
eggs of, iv., 5 
Linaria Canadensis, vii., 12 
Linez, vii., 8 
Lingual dentition of pulmonate mol- 
luses, ili., 71 
Lingula Quebecensis, vii., 2 
Lingulella (?) eelata, inflata, ovealis, 
Xiv., 126 
martinensis ef. granvillensis, Xiv., 
113 : 
Linum Berlandieri, vii., 8 
multicaule, vii., 8 
Linnarssonia transversa, xiv., 125 
Lip ornaments, ix., 153 
Lippia lanceolata, ix., 185 
ligustrina (new ),.ix., 181, 185 
lycioides, ix., 181 
Liquefaction of gases, v., 190-191 
Liquidambar, iii., 47 
Styraciflua, iv., 31 
Liriodendron, iii., 41, 94; v., 136 
Liriodendron, xiii., 133 
simplex, xii., 33, 232; xiii., 130, 180 
primvum, X1i., 35 
List of Contributors to Publication 
Fund, iii., 112 
Corresponding Members, ili., 126- 
137 
Honorary Members, iii., 123-125 
Patrons of the Academy, iii., 113 
Resident Fellows and Members, 
’ jii., 114-122 
Subscribers to old Building Fund, 
iii., 109-111 
