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- 

 iensis, 14 



Birds, geographical distribution of, 

 61 ; 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 



Blanpobd, permanence of ocean 

 basins, 277 ; on volcanic islands, 

 297 ; relationship of reptiles and 

 amphibians of South America and 

 Africa, 374, 376 



Blanus, 375, 376 



Blaps, 215 



Blastocerus, 111 



Blastomeryx, 110, 112 



Blue-bird in Bermuda, 188 



Boas, distribution of, 203 



BoecTiella, 424 



BOETTQEE, Tertiary Helices, 193 ; 

 Helicidae, affinities of, 206 ; on 

 Adelopcmia, 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 



Bombinaior, 204 



BoNHOTE (see Barrett-Hamilton). 



Bootherium, 154; bombifrons , 80, 154 



Born, distribution of running beetles 

 in North America, 20 



Bo'sE and TouLA, fossils of Isthmus 

 of Tehuantepeo, 238 ; affinities of 

 Pacific and Atlantic faunas, 241 



BoDLENGEE, distribution of Lygosoma, 

 125 ; on Tropidonotus, 129 ; affini- 

 ties of Emys, 134 ; distribution of 

 Ooecilians, 370 ; distribution of Der- 

 mophis, 377 ; African fishes, 378, 379. 



BoUEQUiGNAT, identity of European 

 and American Clausilia, 272 



BouviEEj 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). 



Bradypus, 366 



Bradytherium in Madagascar, 366 



Brandegee, Californian flora, 208 



Bransfobd (see Gill). 



Brader, 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 catiadensis, 68 



Brooks, great range of climate in 

 Alaska, 74 ; geology of Alaska, 84 



Brotiilidae, 290 



Brown, A. B. 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 

 Conaid fissure, 108 ; Symbos and 

 Scaphoceros, 155 



