INDEX 
485 
Lecoq, glaciers produced by high tem¬ 
perature, 45 
Leidy, American palaeontology, 102 
Lemming, arctic, 9, 11 ; in Mackenzie 
region, 60 
Lemming-voles, 15 ; range of, 28 
Lemmus, 60 ; trimucronatus, 60 ; 
minusculus, 60, 92 ; nigripes, 60^ 
92 ; lemmus, 60 
Leonia, 272 
Lepidoptera of Greenland, 22 ; of 
White Mountains, 36; of Alaska, 90, 
91 ; of Eocky Mountains, 115 ; of 
Antilles, 289 
Lepidosiren, 378 
Lepidosirenidae, 378, 379 
Lepidosteus, 163, 164, 290 ; osseus, 
163, 164; tropicus, 164; tristoechus, 
290 
Leporidae, 224—226 
Leptinaria (see Tornatellina). 
Leptomeryx, 110 
Leptotherium, 113 
Leptotrichus granulalus, 190 
Lepus, 225, 226 ; variabilis, 9 ; bangsi, 
56 ; othis, 92 ; poadramus, 92 
Lerma River, fish fauna of, 232 
Letourneuxia, 213 
Lichanura, 203 ; trivirgata, 203, 207 
Liguus, 175 ; fasciatus, 176 
Limnaea, vahli, 21 ; holbolli, 21 ; 
palustris, 2 ; stagnalis, 72 ; trun- 
catula, 72 
Limnolagus, 225, 226 
Limiwphylulcie, 413 
Linopodes, 258 
Liometopum, 216 ; apiculatum, 216 ; 
microcephalum, 216 ; lindgreeni, 216 
Liopelma, 204 
Liopeltis vernalis, 130 
Liparis, 307 
Lithobius, provocator, 189 ; bermu- 
densis, 189 
Litopterna, 399 
Littorina littorea, 16 
Lizards, scarcity of, in eastern States, 
123 ; abundance in western States, 
196 ; Bermudan, 189 ; in California, 
207 ; in Galapagos, 302—304 ; in 
South America, 369 ; blue-tailed, 
123, 125 ; burrowing, 202, 203 ; 
swift, 123 ; ground, 124 ; limbless, 
202 
Llama, 406 
Lobley, north Atlantic land-connec¬ 
tion, 25 
Locard, on Clausilia, 272 
Lonnberg, structure of reindeer, 4 
Lophiodontidae, 353 
Loven, marine relicts in freshwater 
lakes, 48 
Loxia, 56 
Loxocemus bicolor, 320 
Loxomylus, 267 
Luccmidae, 425 
Lucas, fossil bisons of North America, 
66; land-connection, Asia and North 
America, 83 ; fossil sheep in Ni¬ 
caragua, 105 
Lucifuga subterraneus, 290 
Lumbricus castaneus, 39 
Lutra degener, 56 
Lychas maculatus (see Isometrus). 
Lyciscus, 430 
Lydekker, varieties of reindeer, 3, 4 ; 
musk-ox from Greenland, 7 ; extinct 
bison, 67 ; relationship of wapiti 
to Siberian maral, 68 ; origin of 
American deer, 109, 110 ; age of 
Falkland islands, 151 ; origin of 
opossums, 183, 367 ; origin of Cen¬ 
tral America, 243 ; affinity be¬ 
tween African and American faunas, 
371 ; Falkland island wolf, 430 
Lygosoma laterale, 124, 125, 319, 320 
Lynx subsolanus, 56 
Lyon, on hares and their allies, 225 
M 
Mabuia, 376 ; punctata, 376, 385 
Macfarlane, mammals of north-west, 
58 
Mackenzie River, 58 
Macroclemmys temminckii, 135 
Macropteryx, 368 
Macrorhaphis, 390 
Macrorhinus leoninus, 428 
Macquarie islands, earthworms of, 424 
Maddren, life in Alaska during Pleis¬ 
tocene times, 78, 79 
