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 



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 ; ttolli, 257 ; 

 martensi, 257 



Aegialitis sanctae-helenae, 387 



Aeglea laevis, 405 



Aegleidae, 405 



Aestrelata 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 



Agraulit, 179 



Agrotis exclamationis, 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 

 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 ; iinensis, 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 ; 



pontanbyi, 214 ; pectinata, 214 

 Amathusidae, 369 

 Amazon River, 363 

 Amblyopsidae, 164 166 

 Amblyopsis spelaeus, 165 

 Amblyrhiza, 267 ; inundata, 285 

 Amblyrhynchus, 302 ; cristatus, 304 

 Amblystoma, 136, 137 ; tigrinum, 136, 

 137; persimile, 137; jeffersonianum, 

 137 



AMEGHINO, tree-porcupine in Santa 

 Cruz beds,. 71 ; deer in upper Mio- 

 cene of Argentina, 109 ; affinities of 

 Phlaocy&n, 151, 152; southern origin 

 of edentates, 244 ; South America 



