INDEX 



Air, mineral elements in, 123, 124; 

 our relation to the, 303, 304. 



Air-plants, 123, 124. 



Animals, ebb and flow in lives of, 

 152; specialized and generalized 

 forms, 162; do not reflect, 293. 



Antennaria, 210-13. 



Apple- tree, 39, 40. 



Aristotle, quoted, 112. 



Art, and reality, 236-40. 



Astronomy, pleasures of, 190, 191. 



Atmospheric pressure, 271. 



Atoms, 263. 



Autumn morning, 297. 



Barnacle, 273. 



Beard, Dan, his Animal Book, 292, 

 293. 



Bee, honey, 138. 



Bee, mason, 137. 



Beebe, C. William, quoted, 294. 



Bees, mind in, 137. 



Beginnings, 189, 190, 244. 



Birches, growing on rocks, 36, 37. 



Birds, migration, 3-22; effects of a 

 late spring upon, 15-17; our in- 

 terest in, 53, 54 ; leaving the nest, 

 61, 62, 72-76; use of white ma- 

 terials in nest, 71, 72; songs, 89- 

 101; courtship, 89, 90; opposite 

 natures of the sexes, 95; affection 

 for young and mate, 98, 99; eye- 

 sight, 103, 104; winter waifs, 206- 

 09, 214-17; sanitation, 300. 



Bird's-nesting, 102-11. 



Bluebird, 99, 103; a quarrel with 

 robins, 66, 67; young leaving 

 nest, 73, 74, 76; and wrens, 80- 

 82; notes and manners, 96; vir- 

 tues, 289, 290. 



Bobolink, 7; decrease and increase, 

 22; song and the female, 94; nest- 

 ing, 111; two males and one fe- 

 male, 111. 



Bob-white. See Quail. 



Boulders, 180. 



Brain, the, 266-68. 



Bryant, William Cullen, 6, 222; 

 quoted, 5, 6. 



Burdock, 33-36. 



Butterfly, swallow-tailed, transfor- 

 mation, 44-48. 



Buzzard, turkey, 91, 103, 104. 



Catalysis, 186. 



Catbird, a tame pair, 8. 



Caterpillars, transformation and 

 cocoon-weaving, 44-52, 318, 319. 



Cat-tail, 37. 



Cattle, grazing in water, 274; gor- 

 ing rescuers, 295. 



Cedar-bird. See Waxwing, cedar. 



Celestial mechanics, 253-55. 



Chat, yellow-breasted, a pair with 

 nest and eggs, 62-64; shyness, 64; 

 location of nest, 64. 



Chemical affinity, 261, 262. 



Chemistry, wonders of, 184-88. 



Chickadee, nesting, 110. 



Childs, John Lewis, 153. 



Chipmunk, 158; washing his face, 

 115; attractiveness, 140; boyhood 

 recollections, 140, 141; tidiness, 

 142; friendly ways, 142; provide at 

 habits, 143, 144; robbing one an- 

 other, 144-50; nest, 148; tunnels, 

 149; disposal of earth, 150, 151, 

 197; varying abundance, 152, 153. 



Church, the, 246. 



Clematis, 38, 39. 



Columbine, 3C7, 308. 



Consciousness, 268. 



Coon. See Raccoon. 



Cordailes costatus, 181. 



Corydalis, 308. 



Cosmos, the, 254, 255; great move- 

 ment of, 311. 



Cowbird, experiment with a youngr 

 one, 59-61. 



Creative energy, 259. 



Creeper, brown, 216. 



Cretaceous period, 260, 261. 



Crow, character and manners, 118- 

 21. 



333 



