contents
[The Desert Scene,] 1 [The Sonoran Desert and the Monument,] 3 [Climate: The Vital Factor,] 9 [Rocks: Foundation and Soilmakers,] 13 [Plant and Animal Zones,] 19 [Desert Plants,] 23 [Succulents,] 25 [The Saguaro—Monarch of the Monument,] 27 [Other Common Cactuses,] 33 [Non-Succulents,] 36 [Perennials,] 36 [Ephemerals,] 42 [Major Plant Communities of Saguaro,] 49 [Plants of the Hills and Mountains,] 55 [Oak-Pine Woodland,] 55 [Ponderosa Pine Forest,] 58 [Animals and How They Survive,] 61 [Invertebrates,] 62 [Amphibians,] 64 [Reptiles,] 64 [Birds,] 66 [Mammals,] 72 [The Rhythms of Nature,] 79 [The Impact of Man,] 83 [Appendix,] 87 [Suggested Reading,] 87 [Common and Scientific Names of Plants,] 89 [Reptiles and Amphibians of the monument,] 92 [Birds of the monument,] 94 [Mammals of the monument,] 97
Brittlebush display along Cactus Forest Drive.