GENERAL INDEX 



507 



Azores (continued) — 



of Madeira and the Canaries, 365, 

 385 ; profile of the mountain of Pico, 

 365; bluffs of Ribiera grande, 366; 

 extent of vegetation on Pico, 367, 

 385 ; the zones of vegetation on Pico, 

 367, 386; their comparison with 

 those of Teneriffe and Madeira, 407- 

 411, 415; prevailing climatic con- 

 ditions of Pico, 371 ; snow on the 

 mountain, 372; general account of 

 the vegetation of Pico, 372, 387; 

 the summit -plants of Pico, and. their 

 comparison with those of Teneriffe 

 and Madeira, 370, 372-374, 386, 411, 

 416 ; vegetation of the upland moors 

 of Pico, 376, 386; secondary cones 

 of Pico, 378 ; weUs of Pico, 388, 496 ; 

 lake-district of Pico, 378, 387 ; sanc- 

 tuaries for plants on Pico, 374, 375, 

 387 ; extensive Sphagnum region on 

 Pico, 377. 

 Bottle-drift on the Azores, 49-55, 64, 

 68, 460 



Firewood in the Azores, 397, 398 

 Notes on Azorean plants, 425 ; plants 

 collected by Forster on Fayal, 491 ; 

 coast plants of Azores, 218, 219, 384, 

 388; uplands of San Miguel, 382, 

 387; Terceira, 383, 387; species of 

 Sphagnum in the Azores, 343, 478; 

 Sargasso weed on Azorean beaches, 

 485 ; list of works on the plants of 

 the Azores, 439 

 Proportion of native plants of Azores, 

 389, 414; characters of the original 

 forests, 391, 414, and the large size 

 of the trees, 392, 414; large trunks 

 buried in volcanic ashes, 393, 414; 

 maximum size of existing trees, 395, 

 414; causes of the destruction of 

 the original forests, 396, 414 ; affmi- 

 tiesof the native flora, 398-411, 415 ; 

 distribution of characteristic native 

 plants, 400 ; plant-stocking of the 

 Macaronesian Islands, 411, 416; 

 derivation of some plants from the 

 Great Atlas, 405; relation between 

 the differentiating and dispersing 

 agencies, 399, 417, 438; modes of 

 dispersal of Azorean plants, 417, of 

 those of the woods, 418, 438, of 

 aquatic and subaquatic plants, 420, 

 439; of coast plants, 420, 439; 

 of the plants of the moors, 418, 

 438; the efficacy of winds in 

 plant-dispersal, 422, 439; early 

 cultivated plants of the Azores, 

 397. 



Pumice on the beaches of the Azores, 

 479 



West Indian seeds carried to the 

 Azores, 27, 37, 122, 158, 181 



Babington, on Iceland beach-plants, 

 187 



Baccharis dioica, 285, 292 

 Bactris, 4, 13 



Bahamas, including the extreme south- 

 eastern islands (Turks, Caicos, etc.) : 



Bottle-drift stranded on the islands, 

 49, 51, 54, 56-58, 61, 62, 64, 71-73, 

 79, 462-465, 470, 471, 477. 



Bottles dropped overboard in their 

 vicinity or passing near them " en 

 route," 14, 72, 463, 465, 466, 468, 

 477. See Turks Islands. 



Climate, Aridity of, in past ages; 271, 

 272 275. 



Flora,' 11 7, 168, 192, 198, 202, 210, 224, 

 225, 284, 290. See Turks Islands 

 flora. 



Geology, 254-276 (see Turks Islands), 

 502-504 ; Bahama Banks, 254, 255 ; 

 former land connections, 272, 273; 

 evidence of change in old charts, 264, 

 275 



Bahia, bottle-drift, 71 

 Bain, on Dracaena draco, 489 

 Baker, E. G., on Sacoglottis amazonica, 

 137 



Ball, J., on plants of the Great Atlas, 



405, 408, 439 

 Baltic coasts, West Indian seeds, 36 

 Barbados olive, 286 



Barringtonia, 5, 168, 175, 213, 214, 243, 

 454 



Barrow, on drift-wood stranded in high 

 northern latitudes, 35, 45 



Batatas acetosaefolia, 217 



Bates, H. W., on Amazon drift, 75, 128 



Batis maritima, 101, 106, 108, 283, 290- 

 292, 451-453, 478 



Bauhin, C, on the seeds of Ipomcea 

 tuberosa, 32, 42, 161-163 



J., on the fruits of Sacoglottis 



amazonica, 42, 137 



Beach-drift, West Indian; sources, 1, 3, 

 18; sorting process and fine drift, 6, 

 241 ; general description and char- 

 acters, 2, 6, 18 ; list of plants supplying 

 it, 5, 6 ; contrasted with West Indian, 

 Indian Ocean, and tropical Pacific 

 beach-drift, 5, 18; selection of the 

 Turks Islands for the study of its 

 oceanic transport, 8, 14, 19 ; compari- 

 son of beach-drift on the Pacific and 

 West Indian coasts of tropical America, 

 17, 19. See also under Jamaica, 

 Trinidad, Turks Islands. 



Beach plants of West Indies and West 

 Africa compared, 87, 88, 91-95 



of West Indies. See under Littoral 



plants. 



sand-rock, 263 



Becher, A. B., on bottle-drifts in the 

 North Atlantic, 46, 50, 57, 66, 81 



