INDEX 



Mimicry, 124. 



Mind, the primal, 125-141; 



reality of, 135, 136. 

 Miracles, 162. 

 Mockingbird, Western, habits, 



120; song, 120, 121. 

 Mockingbirds, Eastern and 



Antillean, song, 120, 121. 

 Monera, 172, 173, 175. 

 Mt. San Antonio, 118, 119. 

 Mouse, nest of, 44, 45. 

 Mouse-ear. See Everlasting. 



Natural selection, inadequacy, 

 131, 138, 218, 262-288, 291- 

 293; Weismann's concep- 

 tion of, 262-264; fundamen- 

 tally unlike artificial selec- 

 tion, 271-274. 



Nehrling, Henry, 114. 



Oak-apples, 122. 



Orchard, natural history in, 1- 



7. 



Oriole, Baltimore, 6. 

 Osborn, Henry Fairfield, on 



adaptation, 286, 308. 



Partridge. See Grouse, ruffed. 



Perfumes, of May, 112. 



Petrified forests, 110. 



Phoebe, fly-catching, 7; per- 

 sistent nest-builders, 70, 71; 

 nesting-sites, 117. 



Pigeon, passenger, 97. 



Pika, or coney, 33. 



Plants, mating, 77, 78; wisdom 

 in, 87-89. 



Plasmogen, 180. 



Plover, golden, 71. 



Plover, killdee or killdeer, 104. 



Plutarch, questions discussed 

 by, 294. 



Polygala, fringed, 122, 123. 



Pope, Alexander, quoted, 134. 



Porcupine, 16. 



Poulton, Edward Bagnall, dis- 



putes Bergson's doctrine of 

 instinct, 201. 

 Proof, the two kinds of, 302. 



Quack-grass, 88. 

 Quail, nest, 103. 

 Quartz, pebbles, 52; moun- 

 tains, 52. 



Rabbit, fear, 16; arts of con- 

 cealment, 102, 103; forms, 

 102, 103. 



Raccoon, a starving, 95. 



Redstart, showing off plumage, 

 5, 6. 



Red-thorn, and cattle, 258- 

 260. 



Reproductive instinct, the mas- 

 ter instinct, 65-81 ; a kind of 

 madness, 66-68; and the his- 

 tory of man, 72; and dancing, 

 72; and death, 73, 74. 



Robin, 5, 83; starving to death 

 in March, 94, 95. 



Rocks, attraction of, 40-46; 

 the final source of all, 40; 

 motion of, 42, 43; arrange- 

 ment in the Catskills, 46-51 ; 

 conglomerate, 48-53 ; two 

 classes, boulders and place 

 rocks, 53-58; stratified rocks, 

 59-64. 



Rousseau, John James, quoted, 

 229. 



Royce, Josiah, his "Spirit of 

 Modern Philosophy" quoted, 

 211. 



Sapsucker, yellow-bellied, sap- 

 sucking habits, 2-4. 



Science, interpretation of life, 

 176, 177; compared and con- 

 trasted with literature, 176- 

 181 ; the antithesis of poetry, 

 177 ; antipathetic to literature, 

 183, 184, 194; literary treat- 

 ment of, 184-189; dehuman- 



314 



