354 
Scientific influence of grange asso- 
ciations, iii., 16 
jottings on the Nile, ix., 110 
libraries of Europe, viii., 3 
Scirpus and Rhynchospora, species of, 
Gy Ee 
atrovirens pallidus, (new), ix., 14 
Sciurus aurocapillus, x., 52 
Scleria, A Revision of the North 
American species of, iv., 80 
Scolithus, iv., 30 ; viii., 51 
linearis, v., 219 
Scotland, lochs and crannogs of, xi., 
48 
singing beaches, lii., 73 
Scranton, Penn., Peat, i., 71-76 
Screw-like casts in Chemung sand- 
stones, iii., 33-34 
Scrophularinez, vii., 12 
Scutellaria Drummondii, vii., 13 
Scyonotus, monograph of, xiii., 169 
Sea-coast defence, vi., 122 
Sea garden, x., 5 
level, vi., 39 
Salt, influence in decay of stone, 
ii., 123 : 
sickness, treatment by trance, i1., 
64-66 
serpent, v., 165-168 
Seal of Academy, v., 232 
Seals, Babylonian, Assyrian, Sas- 
sanian, minerals used in, xiv., 87 
Seasoning of building-stone, ii., 76-77 
Sea urchin fertilization, xiv., 71 
Seaweed from ‘Trenton rocks, of 
Wisconsin, xix., 63 
Secretary’s report, xv., 128 
average attendance, xv., 129 
papers classified, xv., 129 
elections, etc., xv., 129 
new section formed, xv., 129 
public reception, xv., 129 
publications, xv., 130 
Section of Astronomy, x., 67; xii., 
26, 47, 93 
Ethnology, x., 100 
of Astronomy and Physics, xii., 
55, 138, 186 : 
Biology, xii., 6, 27, 50, 56, 95, 
138, 187 
formation of, xi., 123 
of Cambrian rocks 
Brook, xiv., 106 
officers elected, xy., 144 
at Hanford 
INDEX. 
of Geology and Mineralogy, xii., 
40, 49, 69, 96, 188, 229 
Secretaries’ reports, xv., 133 
Sectional Committee appointed, xiv., 
46 
officers, xiv., 100 
officers, election of, xiv., 45 
Sedgwick, W. T. elected correspond- 
ing member, xili., 171 
Sedimentary strata, origin of, in 
America, v., 78, 79 
Sedum rhodantheum, viii., 78 
Seismic waves, vili., 83 
Self-defense, methods of animal, iii., 
53-55 
Self-fluxing iron ore, v., 221 
Self-luminous subjects, photography 
of, ix., 99 
Selkirk Mountains, x., 61 
Seminotus, vi., 127 
Senecio actinella, vili., 80 
Arizonicus, vili., 80 
canus, ix., 11 
Douglasii, viii., 80 
Fendleri, viii., 79 
Hallii (new), ix., 11 
Senff, Charles H., elected resident 
member, xiv., 220 
Sensitive flames, viii., 131, 132 
Separation of red oxide of zine, ii., 
26-35 
Sequoia, ii., 87; iii., 6; v., 136; viii., 
157 
Coutteix, xii., 30 
heterophylla, xii., 30 
Reichenbachii, xii., 30 
Serpentine, i., 57, 58; ii., 17; vili., 
3, 48, 49, 52-54, 162; ix., 200 
as building-stone, 1i., 71 
associated with the red hematite, 
at Antwerp, N. Y., xiv., 64 
Staten Island, v, 2283 vi., 13-16 
in N. Y. Island, vi., 130-135 
rocks of S. E. Penn’a., viii., 48, 
49, 50 
of New York Island, viii., 54 
Serpentines of New York and vicin- 
ity, ix., 200 
of vicinity of New York, iv., 79 
Serpula, ix., 33 
Setaria caudata, viii, 77; ix., 182 
setosa, vii., 14 
Shadow-bands in eclipse, vili., 153, 
154 
