Evening primrose (_OEnothera biennis_), 85; luminous blossoms of, 163; daylight mystery; seeds, pods, and caterpillars, 164; curious secret; two buds, 165; primrose blooms for moths, 168; blighted buds, 169; a poor recompense, 170. Fairy sponges, the growth of; rich colors of sweetbrier sponge, 38, 42; contents of the sponge, 42. False scorpions (_Pedipalpi_), 181; among old books and papers; born rovers, 182. Figwort (_Scrophularia_), tall and spindling, purplish-olive blossoms; odor of; food for wasps, 28; fertilized by wasps; bud open in the morning; flowers change from day to day, 30; growth of the ovary, 32. Flies:--gall, 40; lace-wing, 122; gold-banded, 129; house, 178; laphria, 182; ichneumon, 196; parasitic, 200; harvest, 87, 246. Floundering beetle, color of, 1; funny characteristics of; leaking habits, 2; playing possum, 3; feats of; diminutive size when young; golden-yellow case, 4; number of joints, 5; a snug resting-place; first outing, 6; in the bee hotel; transformation, 8; in the mummy-case; change of diet, 10. Fly-fungus, 184. Flying-machine, toy, 117. Fox-fire, a column of phosphorescence, of greenish, ghostly hue, 12; prosaic fence-post; effect of a reflection of lantern in water, 13; feeding on darkness, 14; short life of, 15; village spook; haunted mill, 16; a night terror, 18; six square feet of brilliancy, 19; yeast as a possible cause; dead fish; curious effect from decaying potatoes, 20; phosphorus not always present; burnt oyster-shells in combination with certain acids; the supposed secret of, 22; decoy for deer; the largest on record, 23. Frog-hoppers, 89. Frog-spit, 84, 89. Gall-fly (_Cynips seminator_, _Cynips rosæ_), 40; a cousin to the wasps; magician in chemistry, 41. Genista, 223. Geometrical web-makers, 120. Ghost-fire, 15. Gold-banded flower-fly, larva of, 129. Gossamer showers, 113. _Gramatophora trisignata_, "Professor Wiggler," 81, 82. Grape-vine, 186-194. Grasshoppers, 71, 195; "Quakers;" camp-meeting ground, 197; a paralyzed specimen; unnatural movements, 198; a transparent body, 199; a swarm of flies, 200, 246. Green roses, 187. Grew, Nehemias, 205. Hang-bird, 172. Harris, "Insects Injurious to Vegetation," quoted, 89, 134, 233, 237. Harvest-fly, 87, 246. Hawthorne's fox-fire, 19, 23. "History of Selborne," 114. Hollyhock, 45. Honey-dew, 126. Honey-sippers, 221. Hornet, 87, 92; as mad as, 93; always on the rampage, 94, 100, 102.