INDEX 



473 



ARLDT, connection between Asia and 

 North America, 97 ; Archaean rocks 

 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, 9496 



Arihrocomus , 413 



Arvicola (see Microtus and Pitymys). 



Ascaphus, 204 



Ascension island, 396 



Ashmunella, 206 



ASIIWORTH, 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 Potamobius). 



Astrapotheria, 399 



Atalapha (see Lasiurus). 



Ateles vellerosus, 250 



Athabasca - Mackenzie region, fauna 

 and flora of, 5873 



Atherina evermanni, 290 



Atlantic islands, origin of, 383393 



Atlantic States, effect of moist cli- 

 mate on vegetation, 167 



Atophyrax, 201 



Auckland island, earthworms of, 424 



AUSTAUT, Asiatic origin of Apollo 

 butterflies, 90 



Avocettula, 367 



"Axolotl," 137 



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 BRADLEE, Bermudan birds, 

 188 



BANKS, scorpions of Florida, 179 



BARBOUR, on alligators, 180 ; Jamai- 

 can reptiles and amphibians, 288 ; 

 Bahama reptiles and amphibians, 288 



BARRETT - HAMILTON, external cha- 

 racters of arctic hare, 9 



BARRETT - 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 



BAUR, on Galapagos islands, 296; Tro- 

 fidurus, 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 



BEDDARD, 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, 186194; affi- 

 nities of fauna, 190 



BERRY, Pleistocene climate, 175 ; mid- 

 Cretaceous floral affinities, 414 



