INDEX 



Solitude, its effect on individu 

 ality, 118, 119. 



Sparrow, bush, or field sparrow 

 (Spizella pusilla), nest of, 259. 



Sparrow, chipping (Spizella, soci- 

 alis), nest of, 142, 143, 259; 154; 

 an unusual song of, 259. 



Sparrow, English (Passer domes- 

 ticus), singing like a canary, 68, 

 257; eggs of, 120; a case of blind 

 instinct in, 160. 



Sparrow, song (Melospiza cine- 

 rea melodia), a city girl s im 

 pression of its song, 31; a tal 

 ented singer, 45; the &quot; Hermit s &quot; 

 story, 93, 94; variability of, 

 259. 



Sparrow, vesper (Pocecetes gra- 

 mineus), flight song of, 39 ; lark- 

 like in color and markings, 40; 

 wooed by a skylark, 40 ; low de 

 gree of variability in, 259. 



Spring, the real beginning of, 51, 

 52. 



Squirrel, gray, 75, 133. 



Squirrel, red, nesting-material of, 

 20; a stupid, 125; and chestnuts, 

 132 ; and maple sap, 132 ; and 

 green apples and pears, 133; 155, 

 251. 



Squirrels, and chestnut burs, 3; 

 their knowledge of nuts, 133; 

 smelling with the whole body, 

 133. 



Starling, red-shouldered, or red- 

 winged blackbird (Agelaius 

 phceniceus), song of, 34. 



Stevenson, Robert Louis, on the 

 English blackbird s songs, 45. 



Sumac, fruit of, 254. 



Swallow, cliff (Petrochelidon luni- 

 frons), nesting of, 155, 157. 



Swallows, 93. 



Swift, chimney (Chcetura pela- 

 gica), change of nesting-site, 8 ; 

 getting nesting-material, 8, 9 ; in 

 the chimney, 9; a creature of 

 the air, 9, 10; spring and fall 

 congregations in large chim 

 neys, 10-13; drumming in chim 

 ney, 183. 



Swimming, 78, 79. 

 Sycamore, fruit of, 251. 



Tanager, scarlet (Piranga ery- 

 thromelas), nesting in a cherry 

 tree, 6, 7. 



Teaching among animals, 83-94, 

 233, 234. 



Telepathy, 96-98. 



Terns, 139. 



Thoreau, Henry D., his &quot; night- 

 warbler,&quot; 42, 153, 195, 203. 



Thrush, hermit (Hyloclchla gut- 

 tata pallasii), with an impedi 

 ment, 116. 



Thrush, song, in the Trossachs, 

 46; and wooden eggs, 227. 



Thrush, Wilson s. See Veery. 



Thrush, wood (Hylodchla muste- 

 lina), nest of, 5 ; a &quot; singing- 

 school,&quot; 94 ; nest-building of, 

 113, 114, 155, 156 ; ways of, 113, 

 114; song contest of, 114, 115. 



Toad, going into the ground, 49. 



Towhee. See Chewink. 



Training of Wild Animals, The, 

 by Frank C. Bostock, 239-242. 



Traps, the fear of, 89. 



Tumble-bug, 26. 



Turkey, 75, 214. 



Van Dyke, Henry, his poem on the 

 song sparrow, 31. 



Variation, 73; a less active prin 

 ciple now than formerly, 120; 

 various degrees of, 120, 121; 

 causes of, 121. 



Veery, or Wilson s thrush (Hylo 

 dchla fuscescens), song of, 34, 35. 



Wallace, Alfred Russel, 87; on 

 mimicry, 249, 251. 



Warbler, black and white creeping 

 (Mniotilta varia), nest and egg 

 of, 111. 



Warbler, grasshopper, 227. 



Warbler, yellow (Dendroica ces- 

 tiva), and cowbird s egg, 80, 156, 

 157, 229. 



Ward, Lester F., his Pure Soci 

 ology, 112. 



279 



