INDEX 



483" 



Arctic regions, 19 ; mild climate 

 during Glacial Epoch, 46; Forami- 

 nifera in glacial clays, 47 ; water as 

 agent in formation of glacial de- 

 posits, 77 ; past climate of Siberia, 

 81 ; range of mammoth, 86 



HOY, on Mysis relicta in Lake 

 Michigan, 48 



Huanaco, distribution of, 406 



HUDSON, on pampas of Argentina, 396, 

 397 



Hudson Bay region, 31 36 ; invaded 

 by waters of Arctic Ocean, 47 



HULL, pre-Glacial elevation of land, 

 14 



Humboldt Current, striking Galapagos 

 islands, 294, 300 ; did not exist 

 during Tertiary Era, 334, 335 



Humming-birds, range of, 250, 367, 

 368 



Hutia in Antilles, 282 



HUTTON, on Pacific land-connections, 

 322, 420, 426 



HUXLEY, on cray-fish, 218 



Hyalinia, radiatula, 72; nitidula, 72; 

 cellaria, 389 ; cdliaria, 389 



Hyalinia (see Vitrea) . 



Hyla gratiosa, 173 



Hymenochirus , 377 



Hymenoptera, wingless of Australia 

 and South America, 433 



Hyracotherium, 147 



Hystricidae, 71 



Hystricomorpha, 371 373 ; in Santa 

 Cruz beds, 399, 402 



Iguanavus, 127 



Iguanidae, 126, 202, 207, 304, 305 

 IHEEINO, v., affinities of Phlaocyon, 

 151, 152 ; origin of Procyonidae, 

 152 ; dispersal of mollusks, 161 ; 

 on Mutelidae, 161 ; range of 

 Helicidae, 205, 206, 212; distribution 

 of Unionidae, 254; Archhelenis, 274; 

 on origin of Galapagos islands, 

 313 ; Pacific Continent, 322 ; fossil 

 marine mollusks of South America, 

 334 ; researches in South America, 



337 ; freshwater mussels of Brazil 

 and Africa, 338 ; palaeogeography 

 of South America, 339, 340 ; dis- 

 tribution of Clausilia, 349 ; origin 

 of South American bear, 351 ; South 

 America in Eocene Period, 362 ; 

 land-connection between Africa and 

 America, 380 ; flora of South 

 America, 383 ; Fernando de 

 Noronha, 385 ; flora of St. Helena, 

 392 ; dispersal of wolves, 396 ; dis- 

 tribution of freshwater mussels in 

 South America, 405 ; on age of 

 Santa Cruz beds, 398 ; relationship 

 of west American and European 

 shells, 411 ; faunistic affinities of 

 Chile and New Zealand, 420, 421 ; 

 dispersal of marine mollusks, 428, 

 429 ; affinities of Falkland island 

 wolf, 430 



Insectivora, of eastern States, 141, 

 142 ; of Bridger deposits, 143 ; of 

 south-western States, 201 ; of Santa 

 Cruz, 399 



Insects from Antarctic regions, 433, 

 434 



lonolaema, 350 



Ischyromidae, 228 



Isectolophus, 353 



Isometrus maculatus, 389 



JACOB I, connection between Australia 



and South America, 421 

 Japyx, 411 ; solifugus, 411 ; subter- 



raneus, 412 ; saussurei, 412 

 JOHANSEN, subsidence of land tested 



by marine shells, 17 

 JOHNSON, distribution of Helix hor- 



tensis, 14 

 JOLY, on permanence of ocean basins, 



275, 276 



JONES, submarine deposits in Ber- 

 muda, 184 

 JORDAN and EVERMANN, origin of 



North American blind fishes, 165 

 JORDAN, Central American fishes, 240 

 Juan Fernandez island, 418 



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