474 
INDEX 
Bigelow, Pacific medusae, 240 ; 
absence of surface forms in parts 
of Pacific, 335 
Big-horn, Kamchatkan, 85, 104, 105; 
Rocky Mountain, 104, 105 
Binney, distribution of Helix hor- 
tensis, 14 
Birds, geographical distribution of, 
Cl ; of Nova Scotia, 56 ; of 
Mackenzie Region, 61 ; of Rocky 
Mountains, 113 ; of Galapagos is¬ 
lands, 301, 302 ; of Bermuda, 188, 
189 ; of Central America, 250, 251; 
of West Indies, 290 ; of South 
America, 367—369 
Bison, range and history of, 65 — 67 ; 
in Gulf plains, 145 
Bison, bison, 65; sivalensis, 66; alleni, 
66, 80 ; scaphoceras, 66 ; crassi- 
cornis, 67, 80; prisons, 67; occiden- 
talis, 80 
Blaisdell, Tenebrionidae, 215 
Blanford, permanence of ocean 
basins, 277 ; on volcanic islands, 
297 ; relationship of reptiles and 
amphibians of South America and 
Africa, 374, 376 
Blanus, 375, 376 
Blnps, 215 
Blastocerus, 111 
Blastomeryx, 110, 112 
Blue-bird in Bermuda, 188 
Boas, distribution of, 203 
Boeckella, 424 
Boettger, Tertiary Helices, 193 ; 
Helicidae, affinities of, 206 ; on 
Adelopoma, 257 ; Atlantic Miocene 
land-bridge, 272 ; connection between 
Galapagos and Central America, 313 ; 
Clausilia of South America, 349 ; Ter¬ 
tiary fossils in Amazon valley, 360 
Boidae, 203 
Boltenia, 272 
Bombinator, 204 
Bonhote (see Barrett-Hamilton). 
Bootherium, 154; bombifrons, 80, 154 
Born, distribution of running beetles 
in North America, 20 
Bose and Toula, fossils of Isthmus 
of Tehuantepec, 238 ; affinities of 
Pacific and Atlantic faunas, 241 
Boulenger, distribution of Lygosoma, 
125 ; on Tropidonotus, 129 ; affini¬ 
ties of Emys, 134 ; distribution of 
Coeeilians, 370 ; distribution of Der- 
mophis, 377 ; African fishes, 378, 379. 
Bourguignat, identity of European 
and American Clausilia, 272 
Bouvier, distribution of Onychophora, 
346,369 ; distribution of Peripatus, 432 
Bow-fin in Mississippi basin, 163 
Brachionycha nubeculosa, 214 
Brachydontes magellanica, 428 
Brachylagus, 226 
Brachylophus, 207 
Brachymeles, 126 
Brachypodella, 267 
Bradlee (see Bangs). 
Brady pus, 366 
Bradytherium in Madagascar, 366 
Brandegee, Californian flora, 208 
Bransford (see Gill). 
Brauer, arctic fauna, 6 
Bray, plants common to Andes and 
Rocky Mountains, 104 ; floral affi¬ 
nities of North and South America, 
415, 416 
Brazil, 363 ; summary of geological 
history, 393 — 394 
Brehm, Crustacea of Greenland, 19 
Brendel, on Florida plants, 167 
Bridger deposits of Wyoming, 102, 
143, 163, 229, 244 
Britton, Flora of Antarctic con¬ 
tinent, 422 
Brooke, structural characters of 
Cervus canadensis, 68 
Brooks, great range of climate in 
Alaska, 74 ; geology of Alaska, 84 
Brofulidae, 290 
Brown, A. E. dispersal of reindeer, 
5 ; North Atlantic land-connection, 
25, 222 ; Rocky Mountain sheep, 
104, 105 ; origin of Oreamnos, 106; 
variation of garter-snakes, 128 ; 
origin of rattle - snakes, 131 ; 
centres of dispersal, 174 
Brown, B., age of Potter Creek de¬ 
posits, 29 ; Conard fissure, 61, 64, 
70, 87 ; remains of mule-deer from 
Conard fissure, 108 ; Syvibos and 
Scaphoctros, 155 
