496 



INDEX 



Tropidurus, 304, 315 



TROTTER, origin of land-bird fauna of 



Nova Scotia, 56 

 Truncatella, 176 

 Tudorella, 272 

 TULLBERG, dispersal of Microtus, 28 ; 



origin of meadow-voles, 223 ; on 



South Atlantic land-bridge, 372, 



373, 405 



Tundral fauna and flora, 35 

 Turkey, in North America, 159 

 Turritella, ambulacrum, 428 ; pata- 



gonica, 428 

 Turtle, spotted, 132 ; diamond-back, 



132 ; semi-box, 132 ; box, 134 ; 



snapping, 134 ; alligator snapping, 



135 

 Tylos, latreilli, 179, 190 ; niveus, 179, 



190 



Typhlichthys subterraneus, 165 

 Typhlomolge rathbuni, 136 

 Typhlopidae, 252, 253 

 Typhlops, tennis, 253 ; lumbricalis, 



288 



U 



ULBRICH, distribution of Anemone, 114 



Umbra, limi, 51 ; krameri, 61 



Umbridae, 51 



Unio luteolus, 162 



Unionidae, distribution of, 161, 198, 

 254, 405 ; on Pacific slope of North 

 America, 162 ; groups of, 254 ; on 

 west of Andes, 338 ; of Chile and 

 New Zealand, 420 



UPHAM, elevation of north - eastern 

 North America, 41 ; elevation of 

 Lake Region, 54, 55 



Urania leilus, 117 



Urochroa, 350 



Urocoftidae, 176, 206, 266 



Uropoda, 258 



Uropodias bermudensis, 190 



Urotrichus, 321 



Ursidae, 350 



Ursus, americanus, 28 ; richardsoni, 

 61 ; middendorffi, 92 ; kidderi, 

 92 ; dalli, 92 ; eulophus, 92 ; 



kenaiensis, 92 ; emmonsi, 92 ; 



malayanus, 352 ; boeckhi, 352 ; 



etruscus, 352 

 Uta, 127 

 Utah, lakes of, 103 



VALLENTIN, Falkland islands, 430 

 VANATTA, Bermudan freshwater shells, 



194 ; on Arionidae, 212 

 Vanessa, distribution of, 91 ; cardui, 



117 ; antiopa, 214 

 VANHOFFEN, survival of life in Green- 

 land during Glacial Epoch, 19 

 Varicella, 175 



VAUGHAN, geology of Florida, 171 

 Venericardia planicosta, 199, 357 

 Vernonia, 391 

 Veronicella, in southern Florida, 176 ; 



schivelyae, 192, 194 ; moreleti, 194 

 VERRILL, Mysis relicta in Lake 



Superior, 48 ; geology of Bermuda, 



184, 185 ; Bermudan flora, 187 ; 



Bermudan spider, 190 ; Central 



American corals, 239 

 Vertigo, ovata, 72 ; ventricosa, 72 

 Vireo, bermudianus, 188 ; novebora- 



censis, 188 

 Viscacha, 353, 403 

 Viscaciidae, 353, 403 

 Vitrea, 306, 308 



Vitrina, angelicae, 21 ; limpida, 72 

 Voles, range of, 28 ; meadow, 223, 



224 ; Jalapa meadow, 224 

 Vulpes, lag opus, 11 ; deletrix, 66 ; 



kenaiensis, 92 ; pribilofensis, 92 ; 



beringensis, 92 



W 



WALKER, distribution of Margaritana, 

 51 ; North American mollusca, 73 ; 

 mollusca of Florida, 177 



WALLACE, age of fauna and flora of 

 New Zealand, 125 ; age of 

 Australian fauna, 150 ; Falkland 

 island wolf, 151 ; Bermudan fauna 



