Index 



215 



Mink, points against and in favor of, 1^3. 

 Mississippi Valley, rich prairies of, 53-54. 

 Mistletoe, an enemy of trees, 107. 

 Mocking bird, song of, 195. 

 Mongoose, as a pest, 153, 154. 

 Montenegro, results of destruction of 

 soil in, 79. 



National Forests, 133-13Q. 



National Parks, ig, 139-143 ; are game 



preserves, 204-205. 

 Nets, catching of fish in, 167, 169. 

 New England, soil of, 51-53 ; gypsy and 



browntail moths in, 152; beaver in, 



179. 

 Newfoundland banks, fisheries of, 170. 

 Nitrogen, in soil, 57; stored in soil by 



plants, 77. 

 Norway rat, 153. 



Oil, waste connected with, 1 57-161. 

 Open season for hunting, 205. 

 Orange orchards, citrus, canker in, 109. 

 Oregon, protection of beaver in, 179; 



bird refuges in, 187. 

 Owens River aqueduct, 29. 

 Owls, good and bad points of, 190-191. 

 Oysters, raised on oyster farms, 167. 



Palestine, destruction of vegetation in, 79. 



Panama Canal, 87. 



Passenger pigeon, extermination of, 22, 



180. 

 "Passing of the Forest, The,'' 130. 

 Pear blight, 109. 

 Peat, crumbling vegetation called, 57 ; 



use of, for fuel, 155. 

 Peat soils, 58, 59, 65. ' 

 Phosphorus in soil, 59. 

 Pine beetles, no. 

 Pinon pines, 99. 

 Plant food, 45, 60. 

 Plants, enemies of, 104-111. 

 Plumage, hunting of birds for, 183-187, 



207-208. 

 Polar bear, protection needed by, 181. 

 Potash in soil, 59. 

 Powder, discovery of, 8. 

 Prairie chicken, disappearance of, 180. 

 "Preceptor's Plea for the Birds, The," 



2II-2I2- 



Pueblo Indians, 19-20. 



Quail, need for protection of, to preserve 

 from extinction, 180; cheery call of, 

 19S ; value and attractiveness of, 201 ; 

 insects eaten by, 202. ' 



Quartz, in sand grains, 58. 



Quinine, made from cinchona tree, 95. 



Rabbits, as pests, 152. 



Rainier National Park, 140. 



Rats, plagues of, 151. 



Redwood trees, 99. 



Refuges for birds, 22. 



Residual soil, 64. 



Rocks, soil made from, 58, 61-66. , 



Rocky Mountain sheep, in Yellowstone 



Park, 205. 

 Rubber trees, 93. 



Sage grouse, need for protection of, 180. 



Salmon fisheries, 169-170. 



San Joaquin Valley, loi. 



San Jose scale, 109, 151, 153. 



Santa Catalina Island, fish preserve 

 about, 169. 



Sea lions, 194. 



Sea otter, destruction of, 22, 165; pro- 

 tection of, by law, 179. 



Seals, fur, 22; hunting of, 165. 



Sequoias, 99, 115. 



Shad, decrease in numbers of, 169. 



Sheep, damage done to forests by, in. 



Shingle makers, waste of trees by, 115. ' 



Shore birds, value of, 360. 



Sierra Nevadas, "big trees" on, 49; 

 changes in climate in ascent of, loi, 

 103; usefulness of woodpeckers in, 

 199. 



Silt, 75- 



Skunks, friends and enemies of, 193. 



Soda in soil, 59. 



Soil, care of the, 11-12; effect of de- 

 struction of forests upon, 37-38, 40- 

 42 ; renewal of, by nature, 45 ; story 

 of formation of, 51-56 ; real wealth of 

 world formed by, 56 ; things of which 

 made, 57-60 ; plant food in, 60 ; how 

 made, 61-66; how vegetation holds, 

 67-72; our most valuable possession, 

 74 ; evil effects upon, of no protecting 

 carpet of vegetation, 74-80 ; effect of, 

 on growth of trees, loi. 



Songbirds, hunting of, for their plumage, 

 185. 



Southern states, destruction of soil m, 

 77 ; turpentine from pine forests of, 

 93- 



Spain, waste of resources of, 25-26 ; re- 

 sults in, of loss of soil, 79 ; treatment 

 of birds in, 196. 



Spruce forest, destruction of, \>y forest 

 fires, 126. 



