INDEX 



•"473 



Aeldt, connection between Asia and 

 North America, 97 ; Archaean rooks 

 on oceanic islands, 277 ; reptiles 

 and mollusks in Galapagos islands, 

 314 ; land-connection to Galapagos 

 islands, 316 ; parallelism of Pacific 

 islands, 327 ; former geographical 

 conditions of South America, 343, 

 344 ; on Atlantic land-bridge, 383 ; 

 connection between South America 

 and Australian region, 425 



Armadillo in Bridger deposits, 244 ; 

 in Santa Cruz beds, 399, 401 ; in 

 North America, 401 



Armadillo (Isopod), 309 



Arnold, climate of Pleistocene 

 Period, 94—96 



Arthrocomus, 413 



Anicola (see Microtus and Pity my s). 



Ascaphus, 204 



Ascension island, 396 



Ashmunella, 206 



ASHWOETH, distribution of marine 

 shore forms, 16 ; marine worms of 

 Patagonia and south Africa, 432 



Asiatic types in America, 83 — 91, 

 earlier and later migrations, 317 — ■ 

 320 ; route of ancient Tertiary mi- 

 gration, 328, 329 ; antelopes in 

 America, 407 



Astacus (see Potamolnus) . 



Aitrwpotheria, 399 



Atala-pha (see Lasiurus'). 



Ateles vellerosus, 250 



Athabasca - Mackenzie region, fauna 

 and flora of, 58—73 



Atherina evermanni, 290 



Atlantic islands, origin of, 383 — 393 



Atlantic States, effect of moist cli- 

 mate on vegetation, 167 



Atophyrax, 201 



Auckland island, earthworms of, 424 



AnSTAUT, Asiatic origin of ApoUo 

 butterflies, 90 



Atiocettula, 367 



"Axolotl," 137 



B 



Bahamas, raccoon in, 181 ; effect on 

 Gulf Stream by elevation of, 185 

 (See Antilles.) 



Bailey, distribution of Microtus, 28 



Bangs, mammals of Labrador, 28 ; 

 water-vole of Florida, 182 



Bangs and Beadlee, Bermudan birds, 

 188 



Banks, scorpions of Florida, 179 



Baebode, on alligators, 180 ; Jamai- 

 can reptiles and amphibians, 288 ; 

 Bahama reptiles and amphibians, 288 



Baeeett - Hamilton, external cha- 

 racters of arctic hare, 9 



Baeeett Hamilton and Bonhote, 

 varieties of arctic fox, 11 



Bartonius, 177 



Bassaricyon, 249 



Bassariscus, 201 



Bates, antiquity of forests in South 

 America, 364; on Heliconiidae, 368; 

 discovery of Cryptostemma, 369 



Bade, on Galapagos islands, 296; Tro- 

 pidunis, 311; harmonic and dishar- 

 monic faunas, 311 — 313; theory of 

 origin of Galapagos, 312 ; 

 accounts for peculiarities of flora, 

 315 ; on Indo - Pacific continent, 

 323 



Bear, black, 28 ; barren-ground, 61 ; 

 in Alaska, 80 ; spectacled, 350 



Beavers, extinct in Alaska, 80 ; in 

 lower Pleistocene, 153 



Beddaed, connection between Pata- 

 gonia and the Australian region, 421 



Beetles, distribution of running, 20 ; 

 in Scarboro' Heights deposit, 43 ; 

 of Rocky Mountains, 117, 118 ; of 

 south - western States, 215 ; of Old 

 Calabar, 381 ; of St. Helena, 387 



Belt, connection of Atlantic and 

 Pacific Oceans, 239 ; birds of Cen- 

 tral America, 250 ' 



Benham, faunistic affinities of New 

 Zealand, 424 



Bentham, floral affinities of St. 

 Helena, 391 



Berendtia, 206 



Bermuda, 183, 184 ; geology of, 184, 

 186 ; comparison with Bahamas, 

 185; flora and fauna, 186 — 194; affi- 

 nities of fauna, 190 



Beeey, Pleistocene climate, 175 ; mid- 

 Cretaceous floral affinities, 414 



