Orchids, American flora rich in. Orchis, fringed. See Fringed-orchis. Orchis, showy. Oriole, Baltimore (ICTERUS GALBULA); as a fruit-destroyer; notes of; nest of. Orpine, garden. See Live-forever. Orpines, native. Osprey, American, or fish hawk (PANDION HALIAËTUS CAROLINENSIS), feeding on the wing. Otter. Oven-bird (SEIURUS AUROCAPILLUS); song of. Owl, screech (MEGASCOPS ASIO), and shrike. Oxlip. Pain, in relation to the nervous system. Parsnip, wild. Partridge. See Grouse, ruffed. Partridge-berry. See Mitchella vine. Partridge Island. Pepacton River; a voyage down. Pewee, wood (CONTOPUS VIRENS), Trowbridge's poem on. Phœbe-bird (SAYORNIS PHŒBE); notes of; nest of. Pigeon, passenger (ECTOPISTES MIGRATORIUS). Pigeons. Pigweed. Pine, loblolly, 247. Pinxter-flower. See Azalea, pink. Pipit, American. See Titlark. Pitchforks. See Biclens. Plantain. Plantain, narrow-leaved. Pliny, his account of an intermittent spring. Poets, their intuitive knowledge of nature; inaccuracies and felicities in matters of natural history; their interpretation of nature. Pogonia, adder's-tongue. Pokeweed. Polygala, fringed. Pond-lily, or sweet-scented water lily. Pond-lily, yellow. Poppy, scarlet field. Porcupine, Canadian. Potomac River, duck-shooting on. Primrose, in poetry. Primrose, evening. Prince's pine. Purslane. Pyrola. See Wintergreen, false. Quail, or bob-white (COLINUS VIRGINIANUS. Rabbit, gray. Rabbits. Raccoon, or coon. Radish, wild. Rafting on the Delaware. Ragweed; a troublesome weed. Rain, arboreal; summer. Raspberry. Rat, wood. Redbird. See Cardinal. Redpoll (ACANTHIS LINARIA), notes; of. Red-root. Rhododendron. River, a voyage down a; loneliness of the. Roads, in England and America. Robin, American (MERULA MIGRATORIA); in poetry; in love and war; notes of; nest of. Rondout Creek. Roots, like molten metal. St. John's-wort. Salamander, banded. Salamander, red. Salamander, violet-colored or spotted. San Antonio, Texas. Saponaria. See Bouncing Bet. Sapsucker, yellow-bellied. See-Woodpecker, yellow-bellied. Sawmill, a floating. Scott, Sir Walter. SEDUM TELEPHIOIDES. SEDUM TERNATUM. Shagbark. Shairp, John Campbell, his POETIC INTERPRETATION OF NATURE. Shakespeare, quotations from; his accuracy in observation. Shavertown. Shawangunk Mountains. Shepherd's purse. Shrew. Shrike. Skunk. Skunk-cabbage. Skylark; on the Hudson; song of. Snail. Snake. Snake, black. Snow, a landscape of; in the woods. Snowbird, slate-colored, or slate-colored junco (JUNCO HYEMALIS), in poetry; notes of. Snowflake. See Bunting, snow. Sodom. Sorrel, sheep. Sparrow, bush or Held (SPIZELLA PUSILLA. Sparrow, English (PASSER DOMESTICUS), manner of courtship. Sparrow, social or chipping, or "chippie" (SPIZELLA SOCIALIS). Sparrow, song (MELOSPIZA CINEREA MELODIA); notes of. Sparrow, vesper (POŒCETES GRAMINEUS), rejecting the attentions of a skylark. Specularia, clasping.