Seedlings, 121. 



Self-effacement, 187. 



Sense of the sea, 1 96. 



Sensitive fern, 57. 



September, 118, 122. 



Sequoia, 185-187. 



Serpent, 106. 



Sertularia, 204. 



Shadbush, 64, 123, 124. 



Shale, 5. 



Shelf fungus, 114, 146. 



Shellbark, 157. 



Shield-fern, 159. 



Shinleaf, 80. 



Shooting-star, 183. 



Shore, 198, 202, 203. 



Shrews, 139. 



Shrilling, 19, 53. 



Sierra Nevada, 185, 189. 



Silence, 187, 191. 



Silver fir, 185, 186. 



Silver-rod, 113. 



Simplicity, 188. 



Sky, 165, 171, 191, 194, 198, 



199. 



Skunk, 149, 155. 

 Skunk-cabbage, n, 122. 

 Slave-making ant, 112. 

 Slavery, 106. 

 Slaves, 104, 108-112. 

 Smilax, 12, 30, 113, 117. 

 Snakes, 143, 155. 

 Snipe, 22. 

 Snow, 70, 140, 141, 147, 152 



156, 1 60, 161, 1 66, 181. 

 Snowbird, 27, 66, 190. 



Snow-buntings, 22, 24. 



Snowflakes, 8, 22, 133, 153, 165. 



Snow-storm, 153. 



Socialism, 96. 



Social wasp, 86, 89. 



Solitary wasps, 89. 



Solitude, 177, 1 8 8. 



Solomon* s-seal, 62. 



Song, 18-20, 31, 32, 41-43, 45- 

 5 1 * 53> 55> 6 7> H9> I3 8 >i6i, 

 163, 168-170, 178, 190, 198. 



Song-birds, 189. 



Song-sparrows, 17, 31, 45, 50. 



Sorrel, 57. 



Sou'wester, 206. 



Spagnum, 68, 122, 168. 



Sparrows, 1 6, 17, 31, 37, 38, 



4 2 >43>45> 4 6 > 5* 7. n8, 



155, 162. 

 Spatter-docks, 152. 

 Speedwells, 57. 

 Spicebush, 58, 170. 

 Spider, 29, 51, 65, ^8, 83-89, 



117- 



Spider's egg, 160. 



Spider-web, 64, 84. 



Spinnerets, 85, 88, 89. 



Spinning, 84, 88, 93. 



Spores, 1 1 9. 



Spray, 203, 207. 



Spring, 11-14, 17, 21, 24,45, 



50, 51, 68, 112, 114, 119, 



144, 157, 170. 

 Spring beauty, I, 20, 6 1, 169. 

 Spruce, 6, 32, 57, 66, 67, 181, 



182, 185, 186. 



22O 



