Hortal, Hugh Jenkyns, Richard Ladle, Mark
Lomolino, Águedo Marrero, Aurelio Martín, Bob
McDowall, Leopoldo Moro, Manuel Nogales,
Pedro Oromí, Jonathan Price, Mike Rosenzweig,
Dov Sax, Ángel Vera, and James Watson. All errors
and omissions are of course our own to claim. Most
of the figures were drawn by Ailsa Allen. Sue
Stokes helped in compilation of material. We are
grateful to those individuals and organizations
who granted permission for the reproduction of
copyright material: the derivation of which is
indicated in the relevant figure and table legends,
supported by the bibliography. Finally, we thank
our families, Angela, Mark, and Claire and Neli,
José Mari, and Quique, for all their support and
tolerance during the preparation of this book.R.J.W.
J.M.F.P.
Oxford and La Laguna, 28 April 2006vi PREFACE AND ACKNOWLEDGEMENTS