Solvent power of carbonic acid, 675
Somme, implements in the drift of the valley of the, 490
Sophocles, his mention of the bronze sickle of Medea, 5
Sotacus, concerning Cerauniæ, 64, 480; his date, 65
South Sea Islanders, adze-like implement of, 138
Spanish trillas, 284
Spalls of flint, 564
Spalding, Mr. F., 179
Spear-heads of flint, 348, &c.; with notches at side 351
Spear-shafts, concave scrapers for shaping, 320
Specks, shining, on flints from the gravel, 565, 659
Spiennes, cores from, 27; flint manufactory at, 34; stag's horn hammers at, 35
Spindles, upright, of corn-mills, 242
Spindle-whorls, 436, &c.; absent in palæolithic times, 657; cidares used as, 469; in Kent's Cavern, 492; varieties of, 438
Spinning and weaving, early practice of, 436; method of, 437
Spinning-wheel, possible classical use of, 436
Spiral ornament on bone bead, 211; on glass bead, magic virtue of, 437
Splinters and flakes of flint, distinction between, 275
Springs in the chalk, 664, 675
Spurrell, Mr. Flaxman C. J., flint flakes replaced on cores by, 20, 606; on final flaking of Danish daggers, 42; implements found by, 572, 605, 606; on ripple-marked Egyptian blades, 359; on stone implement making at Kahun, 45; on flakes mounted for sickles, 297
Staff-sling, its use in Roman times, 418
Stag's horn, axe or hoe of, 434; bone-tipped implement of, 416; for hafting celts, 128; for hafting flakes, 292; hammers of, 35, 41, 186, 434; implements for arrow-flaking, 41, 393; in interments, 148, 398; in mines, 233, 234; picks of, 33, 34; punch of, for obsidian working, 25; sockets of, 158, 161; in Swiss Lake-dwelling, 321
Stalactite, formation of, 479; piece of in barrow, 466
Stalagmite, deposition of, 479; of Kent's Cavern, 511
Stan-æx and stan-bill, 145
Stanley, the late Hon. W. O., researches in Holyhead, 230, 234, 244, 252, 450, 466
Steatite, cup of, 444; New Caledonian sling-stones of, 418; sawed with string and sand, 45; tubes of in Ohio valley, 50; its use for hollow vessels, 451
Steels with flints in Saxon graves, 283
Steenstrup, on marks of attrition on celts, 80, 297; as to use of Kjökken-mödding axes, 69
"Steenstrup's markings" on oval blade, 337
Stevens, Mr. Alfred H., implements found by at Bournemouth, 635; the late Mr. E. T., classification by, of palæolithic implements, 641, 644, 646-648; implements found by, 627; Dr. Joseph, drift implements found by, in Thames valley, 143, 591, 592; referred to, 277
Stick, split, slinging by means of, 417
Stone of the Arrows, 262
Stone of Heaven, 5
Stone Age, division of into Earlier and Later stages, 12, 474
Stone and Bronze Periods, overlapping of, 89, 143, 150, 211, 471, &c.
Stone weight, name suggestive of origin, 443
Stopes, Mr. H., Syrian and Egyptian implements found by, 652
Strabo, on the exportation of amber to England, 449
"Strahlhammer," 63
Streams, carrying power of, 666
"Strike-a-lighf" flints, arrow-heads used for, 400; present manufacture of, 17, 21; their resemblance to early scrapers, 314
Studs of amber, 456; of jet with rings in interments, 454-456
Strombus gigas, gouge-like instrument formed from, 182
Stukeley, his account of a stone axe, 183; on elf's arrows, 366
Submarine forest at Bournemouth, 695; at Hunstanton, celt found in tree of, 150
"Subterranean reservoir" of the chalk, 664
Suetonius on a portentous find of stone axes, 65
Superstitions concerning stone: adzes, 59; arrow-heads, 363-367; axes, 62, 63, 145, 183; celts, 56-61; hammers, 62; "lucky-stones," 469; pebbles, 467, 468; "witch-stone," 470
Surface-flaking of arrow-heads, 392, 393
Surface Period, synonymous with Neolithic, 12
Surface drainage, lessening with amelioration of climate, 676
Survival of bronze implements in religious rites, 5
Swiss Lake-dwellings, arrow-heads, bone, in, 402; animals, domesticated, 358; awls, perforated, 323; bastard gouges, 182; bitumen, use of in hafting, 170, 409; celts, socketed, 128, 136; degree of civilization in, 358; disc, perforated, 191; flakes, trimmed, 327; flakes, mounting of, 502; hafting of celts, 167; hafting of hatchets, 155, 158, 162; knife, peculiar, 348; needles of bone, 433; sling-stones, 418
Swords, bronzy, 4; leaf-shaped Egyptian, 8; Mexican obsidian, 294
Sword-like blades, Irish, of slaty stone, 363
Syenite, axe-hammer of, 211; celt of, 127; and greenstone, celts of at Kent's Cavern, 488
Symonds, Rev. W. S., on changes in Wye valley, 521
T
"Taawisch," Nootka Sound war axes, 157
Tacitus, on the arrows of the Fenni, 361
Tahitians, their shaped sling-stones, 419; sharpening of hatchets by, 263; stone pestle of, 257
Tasmanians, pebble superstitions among the, 468; unmounted celts used by, 171
Taunus slate, perforated hoe of, 191
Taylor, Mr. J. B., African palæolithic imple- ments brought by, 653
Teeth, attrition of, by grit from grinding-stones, 253, 254
Teneriffe, use of obsidian knives in, 8
Terraces of gravel left during erosion of valleys, 73; near London, 590, 685; in Waveney valley, 578
Tertiary implements, so called, 658
Teutonic interments, stone objects in, 468, 470
"Thesaurus Brandenburgicus," occurrence of Celtes in, 55
Thong-drill, use of, 48
"Thor's Donnerkeil," 51
Thor's hammers, 62, 145, 184
Threshing instrument resembling the tribulum, 284
"Thumb-flint," method of making, 36
"Thunder axes," 56
"Thunder-stones" in Dutch Guiana, 271; in Western Africa, 60
Thurburn, Capt. H., Greek celts brought by, 126; African celt brought by, 241
Thurnam, the late Dr., on the connection of leaf-shaped arrow-heads with long barrows, 377; on flat plates of stone, 427; on javelin--
