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 



ArthrocomiLS, 413 



Armcola (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, 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 



AUSTAUT, Asiatic origin of Apollo 

 butterflies, 90 



Avocettula, 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 BRADLEE, Bermudan birds, 

 188 



BANKS, scorpions of Florida, 179 



B ARBOUR, 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 Eocky 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 



