Comments: | Interspecific relationships summarized by Setzer (1949), Lidicker (1960), Johnson and Selander (1971), Stock (1974), Best and Schnell (1974), Schnell et al. (1978), Best (1993d), Baumgardner and Kennedy (1994), and Carrasco (2000). Hall (1981:563-564), Best (1991), and Williams et al. (1993) provide keys to Recent species. |