ILLUSTRATIONS

[Deserts of the Southwest] Frontispiece [Map of western United States] viii [Centipede] 2 [Enlarged view of under side of centipede’s head] 2 [Deadly and non-deadly scorpions] 4 [Giant desert hairy scorpion in alert position] 5 [Underside of black widow spider] 8 [Brown recluse spider] 11 [Tarantula] 13 [Conenose bugs] 15 [Common ant] 16 [Wasp] 17 [Velvet ant] 18 [Bumblebee] 19 [Honeybees on the honeycomb] 20 [Poison mechanism of worker bee] 21 [Puss caterpillar] 23 [Arizona coral snake] 24 [Western diamondback rattlesnake] 25 [Sidewinder or “horned” rattlesnake] 27 [Poison mechanism of the rattlesnake] 28 [Western black-headed snake] 29 [Sonora lyre snake] 30 [Gila monster] 31 [Underside of the Gila monster] 32 [Poison mechanism of the Gila monster] 33 [Two adult banded geckos] 35 [Solpugid or sun spider] 36 [Jerusalem cricket (sand cricket or chaco)] 37 [Vinegaroon] 38