INDEX. 



531 



Porcupine Ant-eater, 110 



Porthesia auriflua, 180 



Porthesia chrysorrhcea, 180 



Portuguese Man-of-war, 46, 372 



Pouch-shell, 8 



Pressure of Atmosphere, 329 



Printing-press, 317 



Prohoscis of Fly, 379 



Processionary Moth, 180 



Projectiles, 74 



Propolis, 220 



Pseudoscope, 287 



Ptarmigan, 150 



Pucunha, 76 



Puff and Dart, 75, 351 



Pulley, 452 



Pyramids, 216 



a 



Quilt Armour, 126 



R. 



Radius, 194 



Rain- cloud, 429 



Ranjows, 109 



Rat- tail Maggots, 385 



Rattan, 204 



Razor, 236 



Receiver of Air-pump, 511 



Reduvius personatus, 146 



Reed, 518 



Reverted Spikes, 102 



Ribbon Saw, 244 



Ring and Staple, 415 



Ringed Tissues, 378 



Robber- crab, 405 



Rocket, 462 



Rod and Line, 90 



Rolling-mill, 322 



Rosemary, 408 



S. 



Sabella, 218 



Saddle-back, 348 



Sailing Raft, 5 



Salad-dressing Bottle, 511 



Sand-paper, 265 



Saturnia pavonia minor, 104 



Saw, 239 



Saw-fly, 241 



Sawyer-beetle, 248 



Scale Armour, 123 



Scales of Butterfly's Wings, 187 



Scaling-fork, 133 



Scarabseus, 494 



Scissors, 228 



Screw, 498 



Sea-anemone, 8 



Sea-basket, 89 



Sea-mouse, 353 



Sea-urchin, 315 



Seed-drills, 336 



Sepia officinalis, 167 



Serpula, 44, 135, 219, 352 



Sewage, 496 



Sewing, 406 



Shark-tooth Sword, 56 



Shears, 228 



Sheep-fly, 396 



Shell of Tortoise, 188 



Ship- worm, 200 



Short-tailed Manis, 124, 188 



Sialis armata, 275 



Siamese Link, 448 



Silkworm, 158 



Silkworm Cocoon, 179 



Siren, 523 



Sirex gigas, 252 



Skidor, 466 



Skip-jack Beetle, 387 



Skull, 210, 511 



Slates, 188 



Sling, 502 



Sloth, 398 



Slug, 245 



Smoke-jack, 499 



Snow-house of Esquimaux, 163 



Snow -house of Seal, 163 



Snow-shoe, 464 



Spade, 223 



Spear, 58 



Spectroscope, 297 



Spider, 509 



Spider-crab, 147 



Spiked Defences, 107 



Spiracles of Fly, 357 



Spiral, 498 



Spiral Spring, 371 



Spiral Tissues, 375 



Spirit-level, 271 



Spokeshave, 236 



Spout-hole, 434 



Sprat-sucker, 71 



Spring, 430 



Spring-bow, 142 



Spring-gun, 142 



Spring-jack, 386 



Spring Solitaire, 371 



Spring-tails, 388 



Spring-trap, 95 



Squirrel, 456 



Stag-beetle, 248 



Star-fish, 332 



Steam-blast, 443 



Steelyard, 450 



Stereoscope, 286 



Stereotype, 479 



