title: Evolution: Selfing Takes Species Down Stebbins's Blind Alley.
abstract: Shifts from outcrossing to selfing have occurred thousands of times across the tree of life. By reducing the size of the gene pool, selfing should limit adaptive potential. A refreshing empirical experiment with snails supports this long-standing hypothesis.
authors.affiliation: School of Biological Sciences, Washington State University, PO Box 644236, Pullman, WA 99164, USA. Electronic address: jwbusch@wsu.edu.
authors.forename: Jeremiah W
authors.initials: JW
authors.lastname: Busch
authors.affiliation: Department of Biology, Indiana University, 1001 E. 3rd St., Bloomington, IN 47405, USA. Electronic address: ldelph@indiana.edu.
authors.forename: Lynda F
authors.initials: LF
authors.lastname: Delph
mesh_terms: D000818:Animals; D005075:Biological Evolution; D057945:Self-Fertilization; D012908:Snails