INDEX. 
Relation of certain thermodynamical 
phenomena of liquid solutions to 
the economy of nature, ix., 138 
Relations of Arthrodiran fishes, xiii., 
176 
of dinichthys, iii., 20 
Remains of fossil fishes, 1i., 144-147 
Remarkable nugget of silver, xv., 191 
Remoplenoides Schlotheimi, vii., 9 
Report, of Committees, iii., 56-60, 70 
Committee on Forestry, x., 115 
Conference Committee on union of 
local scientific societies, x., 112 
Corresponding Secretary, ii., 95 ; 
Lit OSI Ve GS 
Tabrarian, ii., 98; iii., 70; v., 1, 
20, 164, 282 
Library Committee, i., 125 
Publication Committee, i., 125; 11., 
98,99) 154°- iii. 70s v., 15 1164 
Recording Secretary, i., 125; ii., 
97, 9S eit, OSs kd. 9a. xat 124s 
v., 29; 162, 278 
Treasurer, i., 124; ii., 96, 97; iii., 
GOeSdi lb Ge 
Reports of Committees, xiii., 23, 151 
Memorial Committee, v., 278 
officers, v.; vi. (see Contents) ; vill. 
(see Contents ) ; xiii., 152; xv.,128 
Reproductions of rock sections, in 
polarized light, photographed, 
xiv., 64 
Reptilian foot-prints in New Jersey 
Trias, v., 72 
Researches in the solar spectrum, xi., 
125 
Reservoirs, vili., 117 124 
Resident Fellows and Members, list, 
iii, 114-122 ; x., supplement 
members, election of, iii., 31, 55, 
71, 80, 100, 106 
members, list of, viii., 209; xv., 
end of vol. 
Resignations, vi., 112 
of members, iii., 34, 37, 48, 55, 62, 
72, 103 
Resins, fossils, ii., 85-87 
Resolution regarding metric system 
of weights and measures, xv., 
125, 127. 
Resolutions on death of Dr. John C. 
Jay, xi., 40 
passed, ii., 24, 62, 79, 100, 111, 116, 
154; ili., 56-60, 71, 106 
351 
Results of experiments on metallic 
spheres falling in water, pre- 
liminary series, xv., 2 
Reticulate structure of living matter, 
ii., 79-84 
Reversion spectra, v., 182 
Review of Diodontide, etc., v., 89 
of dynamic electricity, v., 89-110 
of fossil fishes, etc., 233 
of Petromyzonitide, v., 89 
Revised by-laws, x., 49 
Revision of by-laws, committee on, 
X., of = 
of Caleeocrinide, viii., 152 
of Cambrian rocks, viii., 176 
Ehacicallis rupestris, x., 15 
Rhamnacex, vil., 9 
Rhamnus Rossmassleri, xii., 35 
Rhigolene, v., 194 
Rhinoceros Merckii, viii., 135 
tichorhinus, viil., 133 
Fhisobia, Occurrence and Functions 
of, xiv., '79 
Rhizodus, vi., 138; vii., 165 
anceps, vii., 165 
Hardingi, vii., 165 
Hibberti, vii., 165 
lancifer, vii., 165 
occidentalis, vil., 165 
quadratus, vil., 165 
Rhizomorphs, x. 16 
Rhizopoda, ix., 36 
Rhodochrosite, ii., 64; vi., 112 
from Ulay mines, Colorado, i., 3 
Rhododendron nudiflorum, ix., 184 
Rhodonite, ii., 28-35; vili., 162 
from Franklin, N. J.,; v., 25 
Rhopolocera, xiv., 60 
Rhus aromatica, ix., 183 
Canadensis, ix., 183 
radicans, ix., 183 
toxicodendron, ix., 183 
Rhynchophora, vii., 162 
Rhynchosia Texana, vii., 9 
Rhyolite, i., 53, 173 
at Yellowstone Park, iii., 7 
holding topaz, v., 213 
Ribes aureum, viii., 76 
cereum, viil., 80 
lacustre, (?) viii., 78 
Richmend, Mass., deweylite from 
iron mine, iii., 17 
Ries, Heinrich, elected resident mem- 
berixdseco 
