Selkirk, M.E., Henson, S.M., Russell, W.S. and Hussein, A.S. (2001) Acetyl-
cholinesterase secretion by nematodes. In: Kennedy, M.W. and Harnett, W.
(eds)Parasitic Nematodes: Molecular Biology, Biochemistry and Immun-
ology. CAB International, Wallingford, UK, pp. 211–228.
Skorping, A., Read, A.F. and Keymer, A.E. (1991) Life history covariation in
intestinal nematodes of mammals.Oikos60, 365–372.
Smeal, M.G. and Donald, A.D. (1982) Inhibited development of Ostertagia
ostertagiin relation to production systems for cattle.Parasitology85, 21–25.
Sulston, J. and Hodgkin, J. (1988) Methods. In: Wood, W.B. (ed.)The Nematode
Caenorhabditis elegans. Cold Spring Harbor Laboratory Press, Cold Spring
Harbor, New York, pp. 587–606.
Taylor, A.P. and Weinstein, P.P. (1990) The effect of oxygen and carbon dioxide
on the development of the free-living stages ofStrongyloides rattiin axenic
culture.Journal of Parasitology76, 545–551.
Tindall, N.R. and Wilson, P.A.G. (1988) Criteria for a proof of migration routes of
immature parasites inside hosts exemplified by studies ofStrongyloides ratti
in the rat.Parasitology96, 551–563.
Viney, M.E. (1994) A genetic analysis of reproduction inStrongyloides ratti.
Parasitology109, 511–515.
Viney, M.E. (1996) Developmental switching in the parasitic nematode
Strongyloides ratti. Proceedings of the Royal Society of London Series B263,
201–208.
Viney, M.E. (1999) Exploiting the life-cycle ofStrongyloides ratti. Parasitology
Today15, 231–235.
Viney, M.E., Matthews, B.E. and Walliker, D. (1992) On the biological and
biochemical nature of cloned populations ofStrongyloides ratti.Journal of
Helminthology66, 45–52.
Viney, M.E., Matthews, B.E. and Walliker, D. (1993) Mating in the parasitic
nematodeStrongyloides ratti: proof of genetic exchange.Proceedings of the
Royal Society of London Series B254, 213–219.
Watkins, A.R.J. and Fernando, M.A. (1984) Arrested development of the rabbit
stomach wormObeliscoides cuniculi: manipulation of the ability to arrest
through processes of selection.International Journal for Parasitology14,
559–570.
West, S.A., Gemmill, A.W., Graham, A., Viney, M.E. and Read, A.F. (2001)
Immune stress and facultative sex in a parasitic nematode. Journal of
Evolutionary Biology14, 333–337.
Yamada, M., Matsuda, S., Nakazawa, M. and Arizono, N. (1991) Species-specific
differences in heterogonic development of serially transferred free-living
generations ofStrongyloides planicepsandStrongyloides stercoralis.Journal
of Parasitology77, 592–594.
128 M.E. Viney