INDEX 



Acanthonyx petiverii, 333 

 Accidental distribution, of butterflies, 

 116, 117 ; of snakes, 130 ; as ap- 

 plied to Bermuda, 192, 194 ; of 

 freshwater fishes, 232 ; in Antilles, 

 265 ; of animals and plants in Gala- 

 pagos islands, 300, 301, 306, 309 

 Achatellina, 308 

 Achatina achatina, 380 

 Achatinidae, 380, 390 

 Acodovt brachyotis, 418 

 ActonisciiS ellipticus, 190 

 Adams, life in Alaska during 

 Glacial Epoch, 34, 35 ; southward 

 retreat of fauna and flora during 

 Ice Age, 35, 37, 38 ; centres of dis- 

 persal in south-east and south-west, 

 174 ; " biotic preserves," 174 

 Adelopoma, 257, 273 ; stolli, 257 ; 



martensi, 257 

 Aegialitis sanctae-helenae, 387 

 Aeglea laevis, 405 

 Aegleidae, 405 

 Aestrelata phaeopygia, 302 

 Agapeta, 350 

 Agarista, 214 



Agassiz, a., subsidence of Bahamas, 



185 ; origin of Galapagos islands, 296 ; 



ocean floor ofE Panama, 332, 333 ; 



relict fauna in Lake Titicaca, 361 



Agassiz, L., faunistic isolation of New 



England, 56, 57 

 Aglossa, 377 



Agonostomus, 290 ; monticola, 290 

 Agraulis, 179 



Agrotis exclamaticmis, 214 

 Alaska, description of, 74, 75 ; Glacial 

 Epoch in, 76, 81 ; " black muck " 

 deposits, 79 ; fauna in Pleistocene, 



78 — 81 ; mammalian fauna, 91, 92 ; 

 flora, 92, 93 

 Alberta, game preserves in, 119 

 Alces, americamis, 32 ; bedfordiae, 32 ; 



machUs, 32 ; gigas, 92 

 Alcook, dispersal of Coeciliidae, 251 

 Allen, G. M., mammals of West 



Indies, 282 

 Allen, J. A., species of reindeer, 5 ; 

 species of musk-ox, 7, 8 ;' polar origin, 

 of life, 23 ; Glacial Epoch, views 

 on, 34 ; Bering Strait land-bridge, 

 85 ; American mammalian types in 

 Asia, 85 ; opossums, 182 ; specific 

 distinctions of Solenodon, 282 ; 

 mammalia of Galapagos, 298, 299 ; 

 affinities of antarctic lands, 423 

 Alligator, 179, 180, 319 ; mississip' 



piensis, 179 ; sinensis, 180 

 Allorchestes dentatus, 361 

 Alsophis, 288 

 Alston, mammals of Central America, 



248 

 Alytes, 204 



Amalia, wide distribution of, 213, 214, 

 389 ; hewstoni, 213 ; gagates, 213 ; 

 ponsonbyi, 214 ; pectinata, 214 

 Amathitsidae, 369 

 Amazon River, 363 

 Amblyopsidae, 164 — 166 

 Amblyopsis spelaeus, 165 

 Amblyrhiza, 267 ; imindata, 285 

 AmMyrhynchus, 302 ; cristatus, 304 

 Amblystoma, 136, 137 ; tigrinum, 136, 

 137; persimile, 137; jefersonianum, 

 137 

 Ameghino, tree-porcupine in Santa 

 Cruz beds, 71 ; deer in upper Mio- 

 cene of Argentina, 109 ; affinities of 

 PUaocyon, 151, 152 ; southern origin 

 of edentates, 244 ; South America 



