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LIST OF ILLUSTRATIONS 
33. A lodge in Colorado after cutting open: .... 5.02). (se. omer 68 
aaThe-Pine Tree lodwes'e 3. 30.0.4 ss tees cae eee eee 75 
35. A bank lodge, Carnelian Creek.) o...0 00 12223-2142) ee 75 
36.°A lodge after the snow came... 2.....2:2522. 1 ates eee 76 
37. A bank lodge, Cooke City road...) /.).) 425.4. 222 ee 85 
38. A;eanal: ‘Power Creek ..). 2.55). .. 7) cu aes = 85 
39. A beaver trail passing under several dead logs.............. 86 
HO A landing place iis 5 2 ve Bids canes Sng ee oe ee 89 
Aj~ A Aandine: place sa. 4-4y-\. [ee wanes oben 6 tere eee err 90 
42.4 beaver’s tracks im. the mud. | +2025... 212 5. 0a ee 90 
43. A beaver trail showing where logs have been dragged overit.. 91 
44, A beaver trail in the show <.\. .. 5% ds. ~ 2. dees eee 92 
45. A hole on shore reached oes an ae peteiad passage from the 
BETOAI Spy tos Ela Be met. auNeucli.s sal. Skt aan 97 
46. The beaver meadow ‘on Juost Creek. .......... 22.2.2 98 
AZ. A beaver trail throuch willows... s.12 5 6:/5,4.0. ee eee 99 
48. Pond in the ‘‘Bench Colony,”’ full of water, July 23, 1921...... 99 
49. Pond in the “‘Bench Colony,” partly drained, September 4, 
ko) erent CSU y Re Mules oRe eet 100 
50. Pond in the ‘“‘Bench Colony,”’ well advanced toward a meadow, 
Aeust. 17, 19286 ee eos aromas toe tg OS A a 100 
51. A pond in Colorado, photographed October 8, 1913......... 101 
52. The same place, October 18, 1922. All traces of a pond have 
disappeared. The change really took place in two years.... 101 
53. A beaver meadow covered with a dense growth of willows.... 102 
BAo nips Club TOM SSPeh icone. sei ELL eee ee 107 
So. Chips cut: from lodgepole pine 20) 2245 ee 107 
56. Toothmarks of beaver on aspen tree... ...........6u esses 108 
5¢.. A cottonwood tree cut by. beaver |.< fs........52 «6 See See 108 
5S: Aspens’ cut: by beavers. isi /44 sania wakes cee 111 
59: Cottonwoods cut by beaver... ).c..6.2.40.6.024 24-1 eee 111 
60. Aspen stumps cub: Twice. 02.4 00.6 2k.ses so 4 ieee ee ee ee 112 
Gb ucbaneled fLECS 2.54. siceinid wa $6 ie od RE oR Re oe 112 
G2.) bhe record stump. oe. ty 2 Ua ise oe ee eee 113 
63, -A- stump six tee6 high 0. .... 2/205: 8.eicc. 25 sine eea. oe 114 
64. Pine with bark removed by beaver: ....../.......:5:.05esee 
Go: Pine’ with a spiral note... . 54. o2.c.. ea. oe 90 ee 116 
Go; Pine mieh cut nto, (5 352 Yeas se cs eek ce ee 119 
67. A piece of aspen caught between two stumps.............. 120 
6s: Willow brash.stored in ‘a pond ) ci). 2 ods 202. ae eee 120 
69. Willow brush stered’at lodge... 0.0 3.2) Jeb. 2.3. eee 125 
70. Pine with bark removed by ee ze ses See 
71. Douglas fir with bark removed from See aad races! dere ae 129 
72. Piece of aspen much gnawed by beaver..................... 130 
