302 
Ring structure of carbon compounds, 
v., 165 
Rio Grande, botany 
near, li., 66, 90-95 
Puce from Jerome avenue, N. 
Yo venaeo 
in New York City, iii., 48 
Rise and progress of invertebrate zo- 
ology, v., 29-55 
River mussels, viii., 163 
Rivina levis, vii., 13 
Robb, Prof. W. L., vibration of a 
cord, xv., 135 . 
Rock, erystal, boulder of, iii., 81 
exposures on New York Island, x., 
113 
crystals, etc., v., 267, 277 
salt deposits, ix., 39 
salt from Leroy and Livonia mine, 
INE SY¥e, sxilt 6 
sources of, xli., 269, 276, 277 
thin sections, i., 49-53, 154 
salt in Western New York, some 
discoveries, iv., 55 
Rocks, “olian, x., 7 
effusive and Dyke near St. John, 
N. B., (by title) xiv., 100 
of S. E. Pennsylvania, viii., 47-53 
Rocking stone at West Farms, xi., 
13 
Rocky Mountain Parks, scenery of, 
lii., 108 
Rogenium, v., 200 
Rome, variety of marbles in, iii., 
102 F 
Réntgen Rays, new results of ex- 
periments, xv., 47 
Réntgen’s discovery, xv., 146 
Rose-quartz, viii., 161 
Rotation of earth, v., 236 
Rotifer, ix., 33 
Rottbeellia corrugata, ix., 182 
Royal Bohemian Soe. Sci., vili., 114 
Society, Committee to aid in work 
of, xiv., 99 
of London, viii., 82 
Rubiacer, vii., 10 
Ruby, vi., 4— 11, 12 
artificial, vi AS 11, 12 
enclosing spinel, iii., 21 
from North Carolina, v., 72 
from Franklin, N. C., v., 132 
Rudeville, N. J., Tourmaline Crys- 
tals from, xili., 185 
and geology 
INDEX. 
Reullia humilis, ix., 185 
ciliosa humilis, (new), ix., 185 
tuberosa, vii., 12 
Rumex, viii., 77 
Arizonicus, viii., 73 
Berlandieri, vii., 13 
Rusophycus, iv., 78 
Russell, Mass., garnet pseudomorphs, 
iii., 18 
Russel, Prof. I. C., viii., 180, 181 
Rutacee, vii., 8 
Rutgers Female College, viii.,. Fee 21 
Rutherfurd, L. M., life of, sac; 
death of, xi, 155 
Star plates, reduction, x., 102 
photographic measures, xi., 41 
photographs, permanence of, xv. , 147 
Rutilated quartz, viii., 21, aie: 
Rutile, iii., 38, 49, 107; v., 75, 6, 
264 ; vi., 3, 6, 130 
enclosed in emerald, its 
in garnet, v., 225-226, 227 
penetrating a Ceylonese Zircon, 
iv., 59 
es 
ay | 
elected member, 
Saba, W. I., geology, 
Sabine, Wm. T., 
xv., 147 
Saccharomycetus, vi., 68, 69, 70 
Mycoderma, vi., 68, 69 
Sacramento Valley, Cal., 
thology, 1ii., 55 
Safety of kerosene oil, i., 137-143 
Saguenay Valley, ii,, 1-2 
Sahara, microscopic examination of 
sand, ii1., 64 
Saibling, Sunapee, xii., 139 
Salem witchcraft excitement, i., 
153 
Salicine, i., 197 
Salina group, rock salt deposits of, 
Indian my- 
150- 
EX.) 09 
Salisburia, iii., 44-47 
Salix, v., 136; xii., 36 
nigra, 1x., 185 
rostrata, vili., 79 
Salizaria, ii., 92 
Salmo fontinalis, xii., 140 
Salmon fishery in Salmon river, i.,"6 
Salpa, v., 15, 16 
Salt Cay, x., 5 
Salt mines, ix., 45 
production, ix., 44 
of copper, v., 215 
