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