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References

  • 1
    Barton, N.H. 1988. Speciation. In: Analytical Biogeography (A. A. Myers & P. S. Giller, eds), pp. 185–218. Chapman & Hall, London.
  • 2
    Barton, N.H. & Hewitt, G.M. 1981. The genetic basis of hybrid inviability in the grasshopper Podisma pedestris. Heredity 47: 367383.
  • 3
    Barton, N.H. & Hewitt, G.M. 1985. Analysis of hybrid zones. Ann. Rev. Ecol. Syst. 16: 113148.
  • 4
    Beaumont, M.A. & Nichols, R.A. 1996. Evaluating loci for use in the genetic analysis of population structure. Proc. R. Soc. Lond. B. 263: 16191626.
  • 5
    Boulding, E.G., Holst, M., Pilon, V. 1999. Changes in selection on gastropod shell size and thickness with wave-exposure on Northeastern Pacific shores. J. Exp. Mar. Biol. Ecol. 232: 217239.DOI: 10.1016/s0022-0981(98)00117-8
  • 6
    Bowcock, A.M., Kidd, J.R., Mountain, J.L., Hebert, J.M., Carotenuto, L., Kidd, K.K., Cavalli-Sforza, L.L. 1991. Drift, admixture, and selection in human evolution: a study with DNA polymorphisms. Proc. Natl. Acad. Sci. USA 88: 839843.
  • 7
    Bush, G.L. & Howard, D.J. 1986. Allopatric and non-allopatric speciation; assumptions and evidence. In: Evolutionary Processes and Theory (S. Karlin & E. Nevo, eds), pp. 411–438. Academic Press Inc, San Diego.
  • 8
    Clarke, R.K., Grahame, J., Mill, P.J. 1999. Variation and constraint in the shells of two sibling species of intertidal rough periwinkles (Gastropoda: Littorina spp.). J. Zool. Lond. 247: 145154.
  • 9
    Crow, J.F. & Aoki, K. 1984. Group selection for a polygenic behavioral trait: estimating the degree of population subdivision. Proc. Natl. Acad. Sci. USA 81: 60736077.
  • 10
    Endler, J.A. 1977. Geographic Variation, Speciation, and Clines. Princeton University Press, Princeton, New Jersey.
  • 11
    Feder, J.L., Opp, S.B., Wlazlo, B., Reynolds, K., Go, W. 1994. Host fidelity is an effective premating barrier between sympatric races of the apple maggot fly. Proc. Natl. Acad. Sci. USA 91: 79907994.
  • 12
    Feder, J.L., Roethele, J.B., Wlazlo, B., Berlocher, S.H. 1997. Selective maintenance of allozyme differences among sympatric host races of the apple maggot fly. Proc. Natl. Acad. Sci. USA 94: 1141711421.DOI: 10.1073/pnas.94.21.11417
  • 13
    Felsenstein, J. 1993. PHYLIP: Phylogenetic Inference Package. University of Washington, Seattle.
  • 14
    Grahame, J., Hull, S.L., Mill, P.J., Hemmingway, R. 1997. Discovering unrecognised diversity among marine molluscs. In: Marine Biodiversity: Patterns and Processes (R. F. G. Ormond, J. D. Gage & M. V. Angel, eds), pp. 293–318. Cambridge University Press, Cambridge, UK.
  • 15
    Grahame, J. & Mill, P.J. 1986. Relative size of the foot of two species of Littorina on a rocky shore in Wales. J. Zool. Lond. 208: 229236.
  • 16
    Grahame, J. & Mill, P.J. 1993. Shell shape variation in rough periwinkles: genotypic and phenotypic effects. In: Quantified Phenotypic Responses in Morphology and Physiology (J. C. Aldrich, ed.), pp. 25–30. JAPAGA, Ashford.
  • 17
    Heller, J. 1976. The effects of exposure and predation on the shell of two British winkles. J. Zool. Lond. 179: 201213.
  • 18
    Hull, S.L. 1998. Assortative mating between two morphs of Littorina saxatilis on a shore in Yorkshire. Hydrobiologia. 378: 7988.DOI: 10.1023/a:1003237521419
  • 19
    Hull, S.L., Grahame, J., Mill, P.J. 1996. Morphological divergence and evidence for reproductive isolation in Littorina saxatilis (Olivi) in northeast England. J. moll. Studs. 62: 8999.
  • 20
    Janson, K. 1983. Selection and migration in two distinct phenotypes of Littorina saxatilis in Sweden. Oecologia 59: 5861.
  • 21
    Janson, K. & Sundberg, P. 1983. Multivariate morphometric analysis of two varieties of Littorina saxatilis from the Swedish west coast. Mar. Biol. 74: 4953.
  • 22
    Johannesson, B. 1986. Shell morphology of Littorina saxatilis Olivi: the relative importance of physical factors and predation. J. Exp. Mar. Biol. Ecol. 102: 183195.
  • 23
    Johannesson, B. & Johannesson, K. 1996. Population differences in behaviour and morphology in the snail Littorina saxatilis: phenotypic plasticity or genetic differentiation? J. Zool. Lond. 240: 475493.
  • 24
    Johannesson, K., Johannesson, B., Lundgren, U. 1995a. Strong natural selection causes microscale allozyme variation in a marine snail. Proc. Natl. Acad. Sci. USA 92: 26022606.
  • 25
    Johannesson, K., Rolán-Alvarez, E., Ekendahl, A. 1995b. Incipient reproductive isolation between two sympatric morphs of the intertidal snail Littorina saxatilis. Evolution 49: 11801190.
  • 26
    Johannesson, K. & Tatarenkov, A. 1997. Allozyme variation in a snail (Littorina saxatilis) – deconfounding the effects of microhabitat and gene flow. Evolution 51: 402409.
  • 27
    Kimura, M. 1968. Genetic variability maintained in a finite population due to mutational production of neutral and nearly neutral isoalleles. Genet. Res. 11: 247269.
  • 28
    Manly, B.F.J. 1996. RT, a Program for Randomization Testing, Version 2.0. Centre for Applications of Statistics and Mathematics, University of Otago, Otago.
  • 29
    Manly, B.F.J. 1997. Randomization, Bootstrap and Monte Carlo Methods in Biology. Chapman & Hall, London.
  • 30
    Mayr, E. 1963. Animal Species and Evolution. The Bellknap Press of Harvard University Press, Cambridge, Massachusetts.
  • 31
    Nei, M. 1977. F-statistics and analysis of gene diversity in subdivided populations. Ann. Hum. Genet. 41: 225233.
  • 32
    Nei, M. & Chesser, R.K. 1983. Estimation of fixation indices and gene diversities. Ann. Hum. Genet. 47: 253259.
  • 33
    Newkirk, G.F. & Doyle, R.W. 1975. Genetic analysis of shell-shape variation in Littorina saxatilis on an environmental cline. Mar. Biol. 30: 227237.
  • 34
    Pickles, A. & Grahame, J. 1999. Mate choice in divergent morphs of Littorina saxatilis (Olivi): speciation in action? Anim. Behav. 58: 181184.DOI: 10.1006/anbe.1999.1115
  • 35
    Raffaelli, D. 1978. The relationship between shell injuries, shell thickness and habitat characteristics of the intertidal snail Littorina rudis Maton. J. moll. Studs. 44: 166170.
  • 36
    Reid, D.G. 1996. Systematics and Evolution of Littorina. The Ray Society, Dorchester.
  • 37
    Rice, W.R. & Hostert, E.E. 1993. Laboratory experiments on speciation: what have we learned in 40 years? Evolution 47: 16371653.
  • 38
    Rolán-Alvarez, E., Johannesson, K., Erlandsson, J. 1997. The maintenance of a cline in the marine snail Littorina saxatilis: the role of home site advantage and hybrid fitness. Evolution 51: 18361847.
  • 39
    Rousset, F. 1997. Genetic differentiation and estimation of gene flow from F-statistics under isolation by distance. Genetics 145: 12191228.
  • 40
    Schliewen, U.K., Tautz, D., Paabo, S. 1994. Sympatric speciation suggested by monophyly of crater lake cichlids. Nature 368: 629632.
  • 41
    Schluter, D. 1996. Ecological speciation in postglacial fishes. Phil. Trans. R. Soc. Lond. B. 351: 807814.
  • 42
    Slatkin, M. & Barton, N.H. 1989. A comparison of three indirect methods for estimating average levels of gene flow. Evolution 43: 13491368.
  • 43
    Szymura, J.M. & Barton, N.H. 1991. The genetic structure of the hybrid zone between the fire-bellied toads Bombina bombina and B. variegata: comparisons between transects and between loci. Evolution 45: 237261.
  • 44
    Trussell, G.C. & Smith, L.D. 2000. Induced defenses in response to an invading crab predator: an explanation of historical and geographic phenotypic change. Proc. Natl. Acad. Sci. USA 97: 21232127.DOI: 10.1073/pnas.040423397
  • 45
    Vermeij, G.J. 1987. Evolution and Escalation: an Ecological History of Life. Princeton University Press, Princeton, New Jersey.
  • 46
    Vos, P., Hogers, R., Bleeker, M., Reijans, M., Van De Lee, T., Hornes, M., Frijters, A., Pot, J., Peleman, J., Kuiper, M., Zabeau, M. 1995. AFLP: a new technique for DNA fingerprinting. Nucl. Acids Res. 23: 44074414.
  • 47
    Wilding, C.S., Grahame, J., Mill, P.J. 2000. Mitochondrial DNA CoI haplotype variation in sibling species of rough periwinkles. Heredity 85: 6274.DOI: 10.1046/j.1365-2540.2000.00718.x
  • 48
    Wilding, C.S., Grahame, J., Mill, P.J. 2001. Correlation of morphological diversity with molecular marker diversity in the rough periwinkle Littorina saxatilis (Olivi). J. Shellfish. Res. in press.
  • 49
    Wilson, A.B., Noack-Kunnmann, K., Meyer, A. 2000. Incipient speciation in sympatric Nicaraguan crater lake cichlid fishes: sexual selection versus ecological diversification. Proc. R. Soc. Lond. B 267: 21332141.DOI: 10.1098/rspb.2000.1260
  • 50
    Winnepenninckx, B., Backeljau, T., De Wachter, R. 1993. Extraction of high-molecular-weight DNA from molluscs. Trends. Genet. 9: 407407.