. Biology of the Heteromyidae. Heteromyidae. 334 SCHMIDLY ET AL. 120 110 100 30 20. 120 110 100 Fig. 10. —Distributions of three species of Chaetodipus. zweig and Winakur, 1969) and annual pre- cipitation (Brown, 1973, 1975; Brown etal., 1979; Hafner, 1977), which are two of the factors that strongly influence seed produc- tion and vegetation. Every Chaetodipus species shares at least some of its range with that of at least one other member of the genus, which makes this the only heteromyid genus that does not have any totally allopatric forms. The three monotypic species have restricted distr


. Biology of the Heteromyidae. Heteromyidae. 334 SCHMIDLY ET AL. 120 110 100 30 20. 120 110 100 Fig. 10. —Distributions of three species of Chaetodipus. zweig and Winakur, 1969) and annual pre- cipitation (Brown, 1973, 1975; Brown etal., 1979; Hafner, 1977), which are two of the factors that strongly influence seed produc- tion and vegetation. Every Chaetodipus species shares at least some of its range with that of at least one other member of the genus, which makes this the only heteromyid genus that does not have any totally allopatric forms. The three monotypic species have restricted distri- butions compared to the polytypic forms. C. lineatus is confined to San Luis Potosi and Zacatecas, Mexico, in the Chihuahuan Desert Province, C. artus occurs along the coast of the Gulf of California in the Amer- ican Desert and Sinaloa Coast provinces, and C. gold ma ni occurs in the Mexican states of Chihuahua, Sinaloa, and Sonora in the American Desert as well as the Mexican Highland Shrub Steppe and Sinaloa Coast provinces (Fig. 9). The polytypic forms include seven spe- cies in the small body size category and four. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Brown, James H; Genoways, Hugh H. [Stillwater, Okla. ?] : American Society of Mammalogists


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