ILLUSTRATIONS
| Topography | ||
| FIGURE | PAGE | |
| Mount Rainier from Indian Henrys | [frontispiece] | |
| 1. | Cascade Mountains at Canadian Boundary | [17] |
| 2. | Columbia River one mile south of Kellers Ferry | [19] |
| 4. | Cascade Mountains in Chelan National Forest | [21] |
| 5. | Mount Rainier, Yakima Park | [22] |
| 6. | Columbia River in Stevens County | [23] |
| 7. | Blue Mountains, Washington | [24] |
| 8. | North Side of Mount Rainier | [26] |
| 9. | Mount Rainier: Cowlitz Chimneys | [28] |
| 10. | A "pothole" crowded by drifting sand | [30] |
| 12. | Arctic-Alpine Life-zone on Mount Rainier | [33] |
| 13. | Humid subdivision of the Transition Life-zone | [34] |
| 14. | Timbered, arid subdivision of the Transition Life-zone | [35] |
| 15. | Upper Sonoran Life-zone | [37] |
| 16. | Canadian Life-zone | [38] |
| 18. | McDowell Lake. Little Pend Oreille Wildlife Refuge | [50] |
| 19. | Pend Oreille River near Newport | [59] |
| 20. | Rocky bluff along north bank of the Columbia River | [65] |
Mammals | ||
| FIGURE | PAGE | |
| 21. | [Gibbs] shrew-mole | [122] |
| 23. | Coast mole and Townsend mole | [125] |
| 25. | Coast mole | [128] |
| 41. | Long-eared bat: female with young | [161] |
| 42. | Boulder Cave: habitat of long-eared bats | [162] |
| 48. | Female black bear and two cubs | [171] |
| 49. | Black bear in "hibernation" | [173] |
| 54. | Fisher | [187] |
| 59. | Wolverine | [202] |
| 60. | Wolverine: dried pelt | [203] |
| 62. | River otter | [208] |
| 66. | Badger | [220] |
| 69. | Coyote | [226] |
| 72. | Cougar or mountain lion: skin | [234] |
| 73. | Cougar or mountain lion: pelts | [235] |
| 75. | Canadian lynx | [238] |
| 76. | Trapper's catch of nine Canadian lynx | [239] |
| 78. | Bobcat | [241] |
| 82. | Townsend chipmunk | [260] |
| 87. | Golden-mantled ground squirrel | [282] |
| 89. | Feeding station of Douglas squirrel | [287] |
| 91. | Northern flying squirrel | [292] |
| 95. | Northern pocket gopher | [302] |
| 96. | Giant mounds formed by pocket gophers | [304] |
| 97. | Food cache of northern pocket gopher | [306] |
| 99. | Beaver | [315] |
| 100. | Beaver lodge and pond | [316] |
| 101. | Cottonwood pole carved by beaver | [317] |
| 102. | Road flooded by beavers | [320] |
| 106. | Deer mouse | [327] |
| 112. | Pennsylvania meadow mouse | [345] |
| 115. | Runways of Townsend meadow mice | [350] |
| 119. | Muskrat | [360] |
| 121. | Mountain beaver | [366] |
| 123. | Big jumping mouse in hibernation | [370] |
| 130. | Elk | [392] |
| 131. | Group of elk | [393] |
| 132. | White-tailed deer | [395] |
| 133. | White-tailed deer: fawn | [396] |
| 134. | Left antler of white-tailed deer | [397] |
| 135. | Antlers of white-tailed deer | [398] |
| 136. | Mule deer | [400] |
| 137. | Black-tailed deer | [401] |
| 138. | Mountain goat | [407] |
| 139. | Group of mountain goats | [408] |
Distribution Maps | ||
| 3. | Mammalian distributional areas | [20] |
| 11. | Life-zones of Washington | [32] |
| 17. | Extent of Vashon-Wisconsin ice | [48] |
| 22. | [Gibbs] shrew-mole | [123] |
| 24. | Townsend mole | [127] |
| 26. | Coast mole | [129] |
| 27. | Cinereous shrew | [133] |
| 28. | Merriam shrew and Trowbridge shrew | [134] |
| 29. | Wandering shrew | [137] |
| 30. | Dusky shrew | [140] |
| 31. | Mountain water shrew | [141] |
| 32. | Bendire water shrew and pigmy shrew | [143] |
| 33. | Big myotis | [147] |
| 34. | Yuma myotis | [149] |
| 35. | Fringe-tailed myotis and Keen myotis | [150] |
| 36. | Long-eared myotis | [152] |
| 37. | Hairy-winged myotis | [155] |
| 38. | California myotis | [156] |
| 39. | Small-footed myotis | [157] |
| 40. | Silver-haired bat | [160] |
| 43. | Long-eared bat | [163] |
| 44. | Western pipistrelle | [164] |
| 45. | Big-brown bat | [166] |
| 46. | Hoary bat | [168] |
| 47. | Pallid bat | [170] |
| 50. | Black bear | [175] |
| 51. | Grizzly bears | [177] |
| 52. | Raccoon | [181] |
| 53. | Western marten | [185] |
| 55. | Fisher | [188] |
| 56. | Ermine | [192] |
| 57. | Long-tailed weasel | [196] |
| 58. | Mink | [199] |
| 61. | Wolverine | [204] |
| 63. | River otter | [209] |
| 64. | Civet cat | [214] |
| 65. | Striped skunk | [218] |
| 67. | Badger | [221] |
| 68. | Red fox | [225] |
| 70. | Coyote | [230] |
| 71. | Wolf | [232] |
| 74. | Cougar | [236] |
| 77. | Canadian lynx | [240] |
| 79. | Bobcat | [243] |
| 80. | Least chipmunk | [252] |
| 81. | Yellow-pine chipmunk | [256] |
| 83. | Townsend chipmunk | [261] |
| 84A. | Marmots | [266] |
| 84B. | Townsend and Washington ground squirrels | [268] |
| 85. | Columbian and Beechey ground squirrels | [274] |
| 86. | Golden-mantled ground squirrels | [280] |
| 88. | Western gray squirrel | [284] |
| 90. | Red and Douglas squirrels | [289] |
| 92. | Northern flying squirrel | [294] |
| 93. | Great Basin pocket mouse | [298] |
| 94. | Ord kangaroo rat | [300] |
| 98. | Northern pocket gopher | [308] |
| 103. | Beaver | [321] |
| 104. | Northern grasshopper mouse | [323] |
| 105. | Western harvest mouse | [325] |
| 107. | Deer mouse | [329] |
| 108. | Bushy-tailed wood rat | [335] |
| 109. | Northern lemming mouse | [337] |
| 110. | Heather vole | [339] |
| 111. | Gapper and California red-backed mice | [342] |
| 113. | Pennsylvania meadow mouse | [346] |
| 114. | Montane and Townsend meadow mice | [348] |
| 116. | Long-tailed meadow mouse | [352] |
| 117. | Water rat | [356] |
| 118. | Creeping mouse | [357] |
| 120. | Muskrat | [362] |
| 122. | Mountain beaver | [368] |
| 124. | Big jumping mouse | [372] |
| 125. | Porcupine | [375] |
| 126. | Pika | [378] |
| 127. | Snowshoe rabbit | [383] |
| 128. | Black-tailed jack rabbit | [386] |
| 129. | Nuttall cottontail | [388] |