_Paxillus leachii_, 201. Peccary, common, 160, 170, 233, 255, 256, _347_. White-lipped, 256. Pe-pe-yo. _See_ Gold Bird. Perai, 160, 170, 198. _Peridromia feronia_, 43. Peripatus, discovery of and description of, 46. Perseverance Landing, 258. _Petræa arborea_, 187. Phosphorescence off coast of British Guiana, 111. Pickersgill Police Station, 239, 240. _Pieris monuste_, 375. Pigmy Owl, 40. Pipe-fish, 160. Pipitoori. _See_ Flycatcher, Gray Tody. _Pistia stratiodes._ _See_ Shell Flower. Pitch Lake, of Venezuela, 30, _59_, _88_. Daily life at, 94-96. Digging pitch, _90_. Early morning trips to, 55-61. Flora of, 63, 64. History of, 91-92. Jungle railroad to, 55, _56_, 57. Loading cars at, _93_. “Mother” of, _61_, 62, 63. Plover, 8. Poc-a-poo, 235. _Poeciloptera phalaenoides_, 132, 133. _Polybia_ sp., 299, 300. Pomeroon River, 234-240. Pontón. _See_ Guard Ship. Porcupine Tree, _36_, 37. Pork-knocker, 187, 188, 256, 258, 287, 288. Port of Spain, 3, 4. Street life of, 119. Protective resemblances, 41, 42, 43, 44. _Pseudaucheniplerus nodosus_, 13. _Psidium fluviatile_, 263. _Pterochroya ocellata_, 213. Puff-fishes, 14, _15_. Puma, South America, 60, 61. Purple heart trees, 163. _Pyrophorus_ sp., 54, 55. Q. Quadrille-bird, 188, 309, 310, 321, 330. Quail, Guiana, 340, 341. R. _Racheolopha nivetacta_, 211. Rail, Cayenne Wood, 378. Robins, White-breasted, 116. White-throated, 322, _323_, 324, 340. _Rhyncophorus palmatum._ _See_ Weevil. Rodway, James, 123, 132. S. Salapenta, 146. Saman Trees, 132, 142. Sandpipers, 8. Solitary, 263. Spotted, 58, 156. Sapadillo, 121, 127. Scarlet Ibis, 7, 8, 81, 153, 154, 155. Scorpion, _39_, 46. Battle with Caterpillar, 291, _292_. Whip, 189, 190. Screamer, Horned, 381. Sea-cows. _See_ Manatee. Seedeaters, 60, 142. Blue-backed, 171. _Semiotus ligneus_, 192. Serenades, by negroes from Pitch Lake, 100, 101. _Serrasalmo scapularis_, 160. Shell Flower, 218. Shypook. _See_ Heron, Guiana Green. Silk Cotton Trees, 163. Sigh heard in the Mangrove forest and explanation of, 26. Simitú, _272_, 273. Skimmers, 8, 135, 148. Sloop, Anchored in Guanoco River, _72_. At La Ceiba, _18_. Description of, 3, 71. Description of crew of, 77. Entering Mangroves, _5_. First night on board, 72-75. Loss of, 108. Saying good-by to, 93. Sloths, 37, 61, 170, 246. Three-toed, 279, _280_, _281_. Snake-birds, 30, 137, 251, 252, 354. _Sphingurus prehensilis_, _36_, 37. Spider lilies. _See_ Lilies. Spider, Pedipalp. _See_ Scorpion. Sproston, 248. Squirrels, Orange and gray, 24. _Stagmomantis hoorie._ _See_ Mantis. _Stomolophus meleagris_, 4. Stork, Maguari, 155, 156. Sugarcane, experimented on in Botanical Gardens, 131.