INDEX 



A 



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 



Acodon brachyotis, 418 



Actoniscus 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 



AegialUis sanctae-helenae, 387 



Aeglea laevis, 405 



Aegleidae, 405 



Aesirelata phaeopygia, 302 



Agapeta, 350 



Ag arista, 214 



AGASSIZ, A., subsidence of Bahamas, 

 185 ; origin of Galapagos islands, 296 ; 

 ocean floor off 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 exclamatianis , 214 

 Alaska, description of, 74, 75 ; Glacial 

 Epoch in, 76, 81 ; " black muck " 

 deposits, 79 ; fauna in Pleistocene, 



7881 ; mammalian fauna, 91, 92 ; 

 flora, 92, 93 



Alberta, game preserves in, 119 



Aloes, americanus, 32; bedfordiae, 32; 

 machlis, 32 ; gigas, 92 



ALCOCK, 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 ; missusip- 

 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 ; 

 pomonbyi, 214 ; pectinata, 214 



Amathusidae, 369 



Amazon River, 363 



AmUyopsidae, 164166 



Amblyopsis spelaeus, 165 



Amblyrhiza, 267 ; inundata, 285 



Amblyrhynchus , 302 ; cristatus, 304 



Amblystoma, 136, 137 ; tigrinum, 136, 

 137; persimile, 137; jeffersonianum, 

 137 



AMEQHINO, tree-porcupine in Santa 

 Cruz beds, 71 ; deer in upper Mio- 

 cene of Argentina, 109 ; affinities of 

 Phlaocyon, 151, 152; southern origin 

 of edentates, 244 ; South America 



