1708 



INDEX 



Smith, Sir J. E., 99 

 Smith, Worthington, 1598 

 Smut, 1 200 



Snell, Willebrod, 800, 80 1 

 Snow, 807-9 



red, of Alps, 514-15 



crystals, 807-8 



flakes, 808-9 

 Social plants, 1226 

 Soffioni, 518 

 Soil, absorption of moisture by, 588-90 



and plants, 934-36, 969-72 

 Solar, corona, 342 



spectrum, 337, 346 



system, 30, 71-72 

 Solfatara, 518, 539 

 Somma, 542-43 

 Sorcerer's Spring, the, 592 

 Southern Cross, the, 78, 99, 125 

 Space, 32, 33-42 

 Species, 984 

 Spectroscope, 333 

 Spencer, Herbert, 1466 

 Spermaceti, 1563 

 Sphagnum, 632, 633 

 Sphere, invention of the, 64 

 Spica, 57, 63, 66, 209 

 Spiders, 1578, 1600-1, 1612-14, 1634 

 Spines, 867 

 Spinneret, 1460 

 Sponges, 1305, 1307-13 

 Spores, fungi, 1199 



lichens, 1212 



01 seaweed, 1262 

 Sprengel, 1003 

 Springs, 592-604 



mineral, 602-3 



salt, 599-601 



thermal, 594-99 

 Sprung, 792 

 Spurge, family of, 1163 



phosphorescent, 1 1 66 

 Squalls, 845-47 

 Squirrels, 1624-25 

 Stamens, 868, 1002 

 Staphilinus Caesareus, 1568 

 Star, "the Blaze," 277 



the brightest, 54, 63 



the "Demon," 216-20 



the dog, 97 



"garnet" (Mu Cephei), 188 



"The Lost," 115 



nearest to earth, 41, 99 

 "Nova" [P (34) Cygni], 226 



Nova Persei, 228-38 



"The Pilgrim," 223 

 the Pole, 68, 82-83, 87, 122, 197 

 "The Test," 81, 115 

 Tycho Brahe's, 223, 224-26 

 "the wonderful." See Mira Ceti 

 Star-clusters, 29, 49, 50, 66, 160, 167. 



75, 192 

 Star-fishes, 450 



-groups, 151-53 



Star-streams, 133-40 



Stars, the, 25, 43, 51-60, 307-9 



Arabic, names of, 106-20 



atlases of, 65-66 



binary, 200-10 



blue, 192 



brightness of the, 56, 68-69 



catalogue of, 58, 60, 61, 62 



colored, 187-95 



distances of th, 36, 46, 51-52 



double, 67, 125, 192, 195-200 



doub'-e (naked eye), 126-27 



fixed, 30-31, 55, 60 



fortunate, 116 



green, 191-92 



inhabited, 307-10 



lucid, 60 



magnitudes of, 56-58, 62-63 



maps of, 65-66 



movements of, 33 



multiple, 195 



nebulous, 1 63 



number of, 58-60, 60-61, 120-21 



of solar type, 315 



quadruple, 195 



red, 188-91, 193-95 



scintillation of, 53-54 



shadows of, 66 



shooting, 132 



spectra of, 308 



temporary, 128, 220-27 



triple, 195, 203-4 



variable, 127-28, 194, 209-20 



wandering, 31, 55 



white, 193, 195 



yellow, 193 

 Steinbrinck, 1003 

 Stem, 862 

 Steppes, the, 582, 637-43, 661, 947, 



1143-46 



Sticklebacks, 1350, 1629 

 Stigma, 870 

 Stigmaria, 464, 476 

 Stigmariae, 470 

 Stipa pennata, 1015-16, 1144 

 Stipules, 864 

 Stomata, 1022 

 Storms, rotary, 844-45 



thunder, 847-48 

 Strabo, 64, 598 

 Stratum, 440 



Streams, subterranean, 604-10 

 Stromboli, 544-45 

 Strommung, 1543 

 Struve, 59, 201, 430 

 Sun, the, 316-52 



density of the, 316 



diameter of the, 36 



gravity of the, 317 



mass of the, 316 



spots, 318-25, 544, 817 



a star of the Milky Way, 28 

 a variable star, 327 

 volume of the, 316 



