INDEX. 
Dalbergia Rinkiana, xii., 236 
Dalea formosa, ix., 183 
lasiatha, ix., 183 
laxiflora, ix., 183 
mand, Vil., 9; ix., 183 
lasianthera, vii., 9 
Dalmanites anchiops, i., 57 
Dam, Quaker Bridge, viii., 117-125 
Dammara, v., 136 
Dammara borealis, xii., 31 
Damourite, ii., 25; vili., 12 
Dana, James Dwight, memorial of, 
xiv., 260 
Danburite, vili., 162 
Daucus pusillus, vii., 10 
Daphnetine, v., 197 
Darkening of atmosphere by smoke, 
lii., 60-61 
Dasylirion, ili., 39 
Dasylirion Texanum, ii., 93 
Dasyurus, xii., 51 
Dates of erection of pyramids, ii., 
115, 116 
Datolite from Weehawken, N. J., 
1, L290 itSos Vile, Sols 1x. 42 
143 
Davis, E. H., death of, vii., 237 
Davyum, v. ,’200 
Dean, Bashford, elected Curator, xii., 
128 
pe of Prof. A. W. Von Hoffman, 
, 155 
of ie T. Sterry Hunt, Se 
of Dr. John C. Jay, xi., 32 
of Dr. John I. Northrup, Xie) il 
of Dr. L. M. Rutherfurd, xi., 155 
Decay of building materials, v., 56— 
gol 
of wood, v., 72, 
of building stone, ii., 
138 
of wood, viii., 85, 86, 89, 110 
De Candolle, Alphonse, death of, 
iio, AuSI7/ 
Deceased members, iii., 2, 33, 37, 56, 
66, 80 
Decease of members, ix., 4 
Decipium, v., 200 
Decomposition of meteorites, v., 231 
of pyrites, v., 231 
of rocks, v., 118 
of wood, v., 110-120 
Deep-well temperatures, xili., 6 
Deer in Syria, vii., 171 
TRANSACTIONS N. Y. ACAD. SCI., 
110-120 
67-79, 120- 
313 
Deformation of skulls, vili., 4, 5, 6, 
Delaware Valley, gravels, iii., 7-12 
Delphinum azureum, 1x., 183 
Delphinus delphis, xii., 50 
DeMelli, Mr. H. A., vili., 156 
Dendrodus, vi., 138 
Dentrophycus Triassicus, vi., 126 
Dentalium elephantinum, iii., 62 
Dennett, W.8., M. D., elected mem- 
ber, xv., 134 
Dentition of elephants, i., 153 
Denudation of the two Americas, v., 
77-78 
Deposits, surface, x., 8 
Dermal appendages, vii., 80 
Descloizite, iii., 100 
Description, new species Aplodentia, 
Vasag 
new species bird, ete., v., 17 
placoderm fishes, etc., v., 25-28 
of new tribolites, vii., 247 
of new Titanichthys, vi., 164 
Desert of Sinai, ix., 104 
flora and fauna of the, ix., 125 
geological notes on, ix., 122 
minerals of the, ix., 124, 126 
physical geography of, ix., 110 
sand of the, ix., 123 
sandstones in the, ix., 115 
water of the, ix., 120 
Desmanthus Jamesii, vii., 9 
Desmodium, xii., 60 
Desmodium canescens, 1x., 183 
Tilineense, ix., 183 
Tweedyi (new), ix., 183 
Destruction of Adirondack forests, 
a 
i., 35-37 
Destructive influence of fungi, v., 
110-120 
Determination of organic matter in 
water, ii., 111-114 
Development of aéronauties, vii., 113 
science in New York, xii., 242 
Devil’s corkscrew, xiv., 66, 79 
Devonian fishes, vii., 178-179 
fishes in Edinburgh museum, viii., 
11 
formation, i1., 1 
placoderms armor, ili., 54 
of Ohio, fishes on, v., 25-28 
of New Jersey, vi., 59 
Dewalquea Haldemiana insignis, xii., 
86 
Vol. XV., Sig. 21, Jan, 1897. 
