INDEX 
487 
Miolania, 404 
Mississippi, fishes of, 88, 89, 163 ; 
drainage area, 144 ; description of 
its course, 160 
Mites of Central America, 258 
Moeritherium, 358 
Mole, 142,; star-nosed, 142 ; fossil, 
143 golden, 245, 246, 404 
Mole-mice, 201 
Mole-shrew, 201 
Mollusks, land and freshwater, in 
Hudson Bay Region, 37 ; slow dis¬ 
persal, 52 ; as illustrating geogra¬ 
phical changes in North America, 
51—54 ; common to Alaska and 
Asia, 83 ; of Florida, 175 ; of Ber¬ 
muda, 191—194 ; of south-western 
States, 205, 206 ; of Central 
America, 256, 257 ; of Antilles, 
265—274 ; of St. Helena, 389, 
390 ; marine, absence of from 
relict lakes, 49 ; Pacific, affinity to 
English Crag species, 96 ; of West 
Indies and Mediterranean, 278 ; of 
western South America, 333, 334 ; 
common to Patagonia and New Zea¬ 
land, 428 
Monachus, albiventer, 280 ; tropicalis, 
280 
Monkeys, distribution of, 249, 250 ; in 
Santa Cruz beds, 400 ; capuchin, 
364 ; squirrel, 364 ; sakis, 364 ; 
spider, 364 ; howlers, 364 
Moose-deer, 32, 33, 80, 92 ; former 
range, 33 ; absent from Newfound¬ 
land, 56 ; in Mackenzie region, 67 
Morch, mollusks of Greenland, 21 
Moreno and Woodward, Neomylodon 
listai, 400 
Morphidae, 368, 369 
Morse, discovery of Helix hortensis, 
15 ; dispersion of European species 
on American shores, 16 
Moschophoromys, desmaresti, 284 ; 
luciae, 284 
Moseley, on Bermudan flora, 187 
Mouse, red-backed, 29 ; jumping, 29 ; 
in Galapagos, 297 
Mud-minnows in drift area, 51 
“ Mud-puppy,” 136 
Murray, A., origin of Galapagos 
fauna, 311 ; on beetles common to 
Asia and America, 321 ; on south 
Atlantic land-bridge, 381 
Murray, J., on coral reefs, 327 
Mus, sylvaticus, 24 ; galapagoensis, 
297 ; decumanus, 298 ; rattus, 298 
Musk-ox, present and former range, 
6—9 ; variations of, 7 ; place of 
origin, 7, 8 ; remains within drift 
area, 43 ; in Mackenzie region, 59 ; 
in Alaska, 78, 80 
Musk-rat, 64, 153 
Mussels, freshwater, 51—55 ; import¬ 
ance of their distribution, 160— 
162 ; of Central America, 254 ; affi¬ 
nity between African and Brazilian, 
338 ; of South America, 405 
Mustela, atrata, 56 ; kenaiensis, 92 ; 
arcticus, 92 
Mutelidae, 168, 380 
Mycetes, 364 
Mylodon, 70, 153, 235 
Myocastor coypus, 283, 396 
Myrmeocystus, melliger, 216 ; mexi~ 
canus, 216 
Myomorphus cubensis (see Meg aloe- 
mis'). 
Myopotamus (see Myocastor ). 
Mysis, distribution and origin, 48 ; 
relicta, 48 ; oculata, 48 
N 
Nabis capsijormis, 391 
Nansen, pre-glacial elevation of land, 
14 
Nasua, rufa, 249 ; olivacea, 249 
Nathorst, on musk-ox, 7 ; effects of 
Glacial Epoch on arctic flora, 17 
Natrix (see Tropidonotus). 
“ Natural Science,” anonymous 
writer on origin of reindeer, 4 
Nebria gyllenhali, 24 
Necrolestes, 246, 399, 404 
Necturus maculatus, 136 
Nehring, relationship of Cervus cana¬ 
densis, 68 
Nelson, external features of Green¬ 
land hare, 9; distribution of rabbits, 
226 ; Tres Marias islands, 330 
