INDEX. 



697 



Sargasso Sea, 335 — 342. 

 (2«a) Origin of Name. 

 (289) Limits. (290. 291) 

 Causes and Conditions. 

 (292 — 295) Description 

 of the Sargasso or Gulf 

 Weed, and the Locality 

 of its Origin. (292) The 

 Temperature. (296) 



Observations, H.M.S. 

 Challenger. (297) Notes 

 by Capt. A. Livingston. 

 (298) Mr. Turner's Re- 

 marks. (299) Remarks 

 by Captain Bourke and 

 Lieutenant J. Evans. 



(300) Captain Midgley's 

 Remarks on Gulf Weed 

 off the African Coast. 



(301) Mr. Luccock's 

 Remarks. See, also, 

 pages 299, 300, 6.50 



Saulnier de Vauhello, M., 

 Surveys, 34 



Schomburgk, Sir R. H., 

 Surveys, 87, 92 ; On 

 Currents near Virgin 

 Islands, 355 ; On Rol- 

 lers, or Ground Swell, 

 356 



Schott, Dr., On Waves, 

 653 



Scilly Islands, 465 



Scoresby, Capt., On Ice- 

 bergs, 443 



Scoresby, Dr., On Magne- 

 tism, 156 ; On Waves, 

 652 ; On the Magnetism 

 of Iron Ships, 669-671 



Scotland, Positions, 12— 

 15 ; Tides, 279 



Scott, Mr. R. H., On Ba- 

 rometric Gradients,118; 

 On Buys-Ballot's Law, 

 118 — 124 ; On Weather 

 Charts & Storm Warn- 

 ings, 198 ; On Hurri- 

 canes, 218; On Currents, 

 295 



Sea Islands, 383 



Sea Serpent, The, 652 



Seal Island, 66 



Seasons : — 



Gambia, The, 5G9 

 Oil Rivers, 506— .507 

 Wet and Drv, Mexican 

 Sea, 146, 149 ; West 

 Coast 'of Africa, 161 

 — 163; West Indies, 

 142 



Secondary Meridians, 7 



Seine Bank, 605 



Senegal River, 502, 568 ; 

 Currents, 323 



Sharpe, Captain, On the 

 Best Track Home from 

 the West Indies, 515 



Shetland Islands, Posi- 

 tions, 13 ; Tides, 279 



Shortland, Commr., Sur- 

 veys, 62 — 65 



Siemens' Electric Ther- 

 mometer, 638 



Sierra Leone, Positions, 

 42 — 43 ; Winds, 160 ; 

 Climate, 570 



Sigsbee Rock, 601 



Smalls Rocks, 473 



Smith, Capt. W. S., On 

 Currents in the Bay of 

 Guatemala, 366 



Smith, Lieut. T., Survevs, 

 36, 78—80 



Smith, Mr. A., On Mag- 

 netism, 456 ; On the 

 Compass, 669 



Smith Rock, 611 



Smokes, The, 506 



Smyth, Admiral W. H., 

 Surveys, 35, 42 ; On 

 Waterspouts, 268 



Smyth, Prof. Piazzi, On 

 the Longitude of Edin- 

 burgh, 15 



Solis Island, 610 



Sombrero Island, 526 



South Channel, 470—472 



Southampton, Tides, 286 



South-East Drift — • 



See North African 

 Current. 



Southern Four K'aj'S, Cur- 

 rents, 365 



Spain, Positions, 31 — 33, 

 34—35 ; Winds, 211- 

 213 ; Tides, 281 ; Cur- 

 rents, 321, 322 



Spanish Shoal, 611 



Spartel, Cape, 42 



Specific Gravity of 

 Ocean Water, 181, 645 

 — 646 



Spence, Mr. Graeme, Sur- 

 veys, 3 



Spitzbergen Current, 432 



Sprigg Rock, 611 



Squalls, 259—261 



(204) Description by 

 Captain A. Livingston. 



(205) Capt. FitzRoy on 

 White Squalls. (206) 

 Mr. F. A. Jahncke and 

 Captain Toynbee on 

 White Squalls. 



Squalls, Bayamo, 144 ; 



Bermuda, 170, 585 

 Steam Tracks To & From 



America, 549 — 562 

 Steen Ground, 580, 611 

 Stevenson, Mr. T., On 



Barometric Gradients, 



118 

 Stewart, Mr. A., On 



Waterspouts, 268 



Storm Card, 235 



Storms, Azores Islands, 

 571—573 ; In the Nor- 

 thern Atlantic Ocean, 

 545 — • 546 ; See, also, 

 Anti-Trades. 



Storms, Magnetic, 458, 

 667 



Strachan, Mr. R., On Cur- 

 rents, 294 ; On North 

 African Current, 312 — 

 315 ; On South Equato- 

 rial Current, 351 ; On 

 Currents of the Carib- 

 bean Sea, 353, 358 ; On 

 Yucatan Current, 369 ; 

 On Currents of the Gulf 

 of Mexico, 371—372 ; 

 On the Gulf Stream, 

 391 — 394 



Strachey, General R., On 

 the Winds of Western 

 Europe, 199 



Styx Bank, 578 



Submarine V^olcanic Erup- 

 tions, 574—576, 604, 

 611—614 



Sunken Land of Bus, 609 



Surgeac Vigia, 611 



Surveyors, 3 — 5 



Sweden, Positions, 22 



Teeth Coast, Winds, 160 



Temperature, 180 ; As a 

 Cause of Ocean Cur- 

 rents, 377— 37,S ; Tem- 

 perature of Sea near 

 Ice, 447. 



Temperature of the 

 Ocean, 635-642.— Deep- 

 Sea Thermometers, 635 

 — 639 : Sun's Influence, 

 &c., 640 ; The Surface 

 Temperature, 640-641 ; 

 Sub-surface Tempera- 

 ture, 641—642 



Testigos Rocks, Currents, 

 361 



Texeiro Shoal, 611 



Thames, River, Tides, 284 



Thermometer, The, 508 ; 

 As a Guide in Naviga- 

 tion, 401— i02 ; Ther- 

 mometers for the Deep 

 Sea, 407, 635—639 



Thom, Dr., On the Law 

 of Storms, 112 ; On 

 Hurricanes, 217 



Thomas, Mr. G., Survey 

 13 



Thomson, Sir Wyville, 

 On the Sargasso Sea, 

 338 ; On the Arctic 

 Current, 435 ; On Oce;in 

 Circulation, &c., 647 — 

 648 ; On Animal Life in 

 the Ocean, 651 



