INDEX. 
Alosa sapidissima, vii., 259 
Alphabet, Egyptian origin of, v., 81— 
88 
Alphabetical, list of New York Min- 
erals, vil., 234 
Altars, stone, 1x., 97 
Alternations of geological climate, 
lii., 94-96 
of temperature in North America, 
96 
Altitudes of Catskill Mountains, i., 
25 
Altitudes in the Shawangunk range, 
lil., 22 
Alumina, vi., 7-11 ; vii., 37 
Aluminum and its alloys, xii., 25 
ingot of, i., 181 ; v., 192 ; vii., 220 
Alytes, xii., 245 
Amecebee, structure and motions, ii., 
79-82 
Amalgamation of silver ores, 1i., 1, 2 
Amarantus fimbriatus ix., 181 
spinosus, ix., 185 
Amaryllidez, vii., 14 
Amazon river, xii., 96 
stone, xili., 162 
Amber, ii., 13, 85, 87 ;ix., 150 
history of, viil., 157 
inclusions in, 156, 157 
occurrence of, 157 
source of, 157 
fluorescent, 158, 162 
Amblygonite, v., 80 
Amboy clays of New Jersey, v., 136 
2G 
Amblyolepis setigera, vii., 11 
Amblyopsis spelxus, i., 59-64 
Amblystoma punctatum, vii., 225-256 
Amelia county, Va., phosphorescent, 
fluorite, iii., 77, 100 
Amendment, proposed, of by-laws, 
ix., 204 
America ancient civilizations of, 120- 
124 
denudation of, v., 77, 78 
Amer. Assoc. Ady. of Science, vii., 
1, 18, 43, 48, 129, 130, 134 
vi., 129, 130, 136, 160, 162-166 
at Springfield, xiv., 1 
Amer. Antiq. Soc., vi., 140 
Amer. Bureau of Mines, vii., 123 
Amer. Cyclopedia, viii., 13 
Amer. Folk Lore Society, x., 37 
Amer. gems, viii., 160, 162 
297 
Amer. Geographical Society, vii., 17 
viii., 175 
Amer. Journal of Numismatics, vii., 
79 
Amer. Journal of Science, vi., 140 ; 
vil., 59, 64, 123 
Vili., 9, 13, 56, 132 
EX.;, 26,193, 4197, 198 
Amer. Museum of Natural History, 
vii., 80, 100, 136, 254, 255 ; viii., 
8 
Amer. Mus. Nat. History, Field Ex- 
pedition, 1893, xili., 122; xv., 
67, 1895 
Amer. Naturalist, vii., 66, 68, 136 
Amer. Ornithologists’ Union, vii., 
255 
Amer. pearls, viii., 162, 163 
Amer. species of the genus Anemone, 
artes 4) 
American Trias, v., 18, 19 
“Amethyst, i., 89, 117; v1., 92, 113, 
124 ; vii., 164, 223 
for jewelry, viil., 161 
phantom, vili., 12 
Amia Calva, xv., 126 
Amianthus, vi., 130 
vii., 224 
Amiens, France, flint implements at, 
iii., 80 
Ammonia, v., 187 
“*process,’’ v., 192 
discovery of, vii., 198 
Ammonites, ii., 11-94 
Ammophila longifolia viil., 77 
Ameeba, ii., 79-82 
Ampelidez, vii., 9 
Ampelopsis heptaphylla, ix., 10 
Amperes and volts, ix., 137 
Amphibia, vii., 257 ; xili., 176 
cranial nerves of, xii., 56 
Amphibole, vii., 36, 57, 223; viii., 
59 
Amphibolite, viil., 54, 55 
Amphilestes, xii., 187 
Amphioxus, vii., 259; xil., 244 
twins and multiple embryos of, 
Sites J1'7/ 
Amphipleura pellucida, ii., 79 
Amygdaloid, ix., 143 
Anesthesia, early experiments in, 
viii., 15, 16 
Analcime, ii., 88 
Analcite, vii., 232 ; ix., 143 
TRANSACTIONS N. Y. AcAD Sct., Vol. XV., Sig. 20, Dec. 31, 1896. 
