Starling. See Blackbird, Red-winged. 



Stick-seeds, 150-155. 



Stones, life under, 73. 



Stony skeleton of the scouring - rush 

 shown by a chemical experiment, no. 



Sugar-berry tree (Celtis), gall of, 259. 



Sugar-maple and early bees, 2. 



Succory. See Cichory. 



Sumach, fragrant (Rhus aromatica), 90, 

 94; poison, 89; distinguishing char- 

 acters and identification of, 92-94; 

 confounded with the harmless Virginia- 

 creeper, 92-95; Rhus radicans, 91; 

 Rhus toxicodendron arid its various 

 disguises, 90-92; Rhus venenata, 90. 



Summer calendar, 89-174. 



Swallow-tail butterfly. See Butterfly. 



Swamp-cabbage. See Skunk-cabbage. 



Swamp pinks (Azalea viscosa), 57. 



Sweep-net, curious insect harvest from, 

 117-120. 



Swift, chimney, nest of, 224. 



THOMPSON, ERNEST, reference, 267. 



Thoreau, H. D., quoted. Birds' - nests, 

 219; " drum" of the grouse, 42 ; en- 

 tomology, 88 ; midnight, 121 ; poison- 

 sumach, 90 ; squirrel and cone, 17 ; 

 water-beetle, 306. 



Thistle (Cirsium lanceolatuni), rosette of, 

 in winter, 241; feathered seed of, 171. 



Thistle-seed pompons, 174. 



Thrasher, brown. See Thrush. 



Three-leaved ivy. See Sumach (R. tax- 

 icodendrott). 



Thrush, migration of, 212; mocking or 

 feruginous, or brown - thrasher, 39 ; 

 golden - crowned ( see oven - bird ) ; 

 robin, 38 ; song of, 39 ; nest materials 

 of, 224. 



"Tick" seeds. 150-155. 



Toad (Bufo Antericanus): Song of; 

 dual tone of song, 54 ; analysis of the 

 "bagpipe" drone; imitation of its 



)EX 321 



son g> 55 ; singular vocal technique, 

 55, 56 ; decoying the ; Japanese mim- 

 ic whistle of song, 56 ; mitten of, in 

 a bird's nest, 222; tree-toad (I/yla 

 vcrsicolor} : Spring song of, 52 ; au- 

 tumn song of, 192 ; mimetic decora- 

 tion of, 193 ; Hylodes, 9 ; in autumn, 

 194. 



Toad-flax (Linarid), purple and yellow, 

 226. 



Tracks in snow, 247, 250, 265. 



Trailing arbutus (Epigea repens}, 20 ; in 

 February, 22; Bryant on, 21. 



Trap, a burdock, 197. 



Tree-cricket ((Ecanthus niveus), 119. 



Tree-toad. See Toad. 



Tremex. See Pigeon Tremex. 



Trowbridge, J. T., quoted. The par- 

 tridge, 41. 



Tulip - tree (Liriodendron tulipifera), 

 opening buds of, 49; seed of, 216, 

 284 ; seed shower from, 274. 



Turtle-head (Chelone glabra), 227. 



Twigs, among the winter, 257. 



UMBELLIFEROUS plants distinguished by 



butterfly, 84. 

 Underground flowers, 63, 167. 



VASE-MAKER wasp. See Wasp. 



Violet, yellow (Viola rot undi folia), Bry- 

 ant on, 20-22 ; blue (Viola cucitllatd), 

 two sorts of flowers of, 205 ; cut-leaved 

 variety of ; shooting seeds of, 206. 



Vireo : Red-eyed, 221; solitary, 224; 

 white -eyed, 221; winter tenants of 

 nests, 232; nests and nest material of, 

 analyzed, 212, 220. 



Virginia-creeper (Ampleopsis quinque- 

 folid) confounded with poison -su- 

 mach, 92, 93 ; distinguished from su- 

 mach, 92-95 ; many-leaved varieties 

 of, 95- 



Virgin's-bower. See Clematis. 



