INDEX. 



Abel, Professor, F.R.S., report on sam- 

 ples of soil from Bermudas, i., 323. 



Acanthomctrina, i., 221. 



Aceste bellidifera, i., 349. 



Azores, The, ii., 23. 



Aerope rofitrata, i., 353. 



Adaiison)(( (//i/aiitca, ii., 72. 



JEoVmu rocks, Bermudas, i., 287, 292, 322. 



African Current or Guinea Current, ii., 75. 



Agulhas Current, ii., 265. 



Albatross, ii., 129, 141, 145, 161. 



Alciope, i., 173. 



Aldrich, Lieutenant Pelhara, R.N., appoint- 

 ed to the " Challenger," i., 24 ; ii., 84. 



Algesiras, i., 128. 



Alima, i., 173. 



Aloes in flower, i., 128. 



Altingia excelsa, San Miguel, ii., 31. 



American deep-sea expeditions, i., 22. 



Ammocha7'idce, i., 194. 



Amphinomklce, i., 172. 



Annelid, tube-building, living at the sea- 

 bottom, i., 194. 



Annelids in the Atlantic, ii., 297. 



Antenna7-ius niarmoratus, i., 188 ; its nests 

 of gulf-weed, ii., 17. 



Aqueduct at Algesiras, i., 128. 



Area, living on the sea -bottom, i., 174, 

 233. 



Arrowroot, its cultivation in Bermudas, i., 

 317. 



Ascension, Island of, ii., 221, 229 ; George 

 Town, Green Mountain, 222 ; govern- 

 ment, 223, 226 ; botany, 224 ; climate, 

 226; "Wide-awake Fair," 227 ; birds, 

 Hid. 



Astacidce, Willemoesia leptodadyla, i., 181, 

 242. 



Astacus pellueidus, i., 185. 



Antaeus zaleiicus, i., 244. 



Astronomical Observatory, Lisbon, i., 120. 



Atlanta peronii, i., 125. 



Atlantic, The : General conclusions from 



the " Challenger " expedition, ii., 246- 

 329; contour of the bed, 247-249 ; nat- 

 ure of the bottom, 249-256 ; distribu- 

 tion of temperature, surface and sub- 

 marine currents, 256-280 ; density of 

 sea-water, 302-310 ; amount of carbon- 

 ic acid and oxygen in sea-water, 310- 

 314. 



Avicula, i., 189. 



Avocada pear, i., 320. 



B. 



Bailey, Professor, globigerina, i., 199. 



Baillie, C. W., Navigating Lieutenant, his 

 sounding-machine, i., 60, 61. 



Bala7ioglosf:u,s, ii., 78. 



Ball's dredge, i., 62. 



Balsam-bog, Falkland Islands, ii., 183. 



Baobab-tree, Cape Verde Islands, ii., 72. 



Barnacles, ii., 12. 



Barometer, aneroid, by Messrs. Elliott, 

 used in the expedition, i., 156. 



Barometrical observations taken during 

 the expedition, explanatory diagrams, 

 i., 155. 



Barometrical pressure, its relation to lat- 

 itude, i., 88. 



Basalt rocks, Fernando Noronha, ii., 107, 

 108 ; Tristan d'Acunha, 144. 



Bathycrimis Aldrichianus, ii., 86, 87. 



Beach marks, i., 86. 



Belem : Castle, i., 113 ; monastery of San- 

 ta Maria, porch, quadrangle, and clois- 

 ters, 115, 116, 117. 



Bermudas, history and description of, i., 

 271. 



Bermudas arrowroot, i., 317. 



Bethell, Lieutenant George R., R.N., ap- 

 pointed to the "Challenger," i., 24, 167, 

 229. 



Bignoyiia at Madeira, i., 152. 



Birds of Bermudas, i., 279, 301, 320 ; Bra- 

 zil, ii., 125 ; Falkland Islands, 179 ; Isl- 

 and of Ascension, 227 ; San Miguel, 42 ; 

 Tristan d'Acunha, 145, 156-158. 



