Metamorphosis: introduction, usages, and evolution / Jack Cohen -- The alignment of imaginal anlagen during the metamorphosis of Drosophila melanogaster / Martin J. Milner and Alison J. Bleasby -- Transformations in the intestinal epithelium during anuran metamorphosis / M. Dau̇a and J. Hourdry -- Changes in amphibian skin during larval development and metamorphosis / Harold Fox -- Pattern formation during development and the design of the adult cuticle in Drosophila / D. Gubb -- Vitellogenesis and levels of oestrogen receptor in Xenopus liver during metamorphosis / John Knowland -- Insect metamorphosis and its hormonal control / Mary Bownes and Christopher P.F. Redfern -- Reorganization of the nervous system during metamorphosis of the moth, Manduca sexta / James W. Truman, Richard B. Levine, and Janis C. Weeks -- In vitro metamorphosis of insect cells and tissues : development and function of fat body cells in embryonic cell cultures of Drosophila / Andreas D|bendorfer and Susann Eichenberger -- The regulation of a developmental sequence during imaginal disc metamorphosis / James W. Fristrom, Jeanette Natzle, John Doctor, and Dianne Fristrom -- Prothoracic glands and the production of steroid hormones during the metamorphosis of holometabolous insects / Christopher P.F. Redfern and Mary Bownes -- Ecdysteroids in insects : how are their concentrations regulated? / Jan Koolman and J|rgen Walter -- The role of hormones in the regulation of amphibian metamorphosis / Per Rosenkilde -- TRH distribution, levels, and significance during the development of Xenopus laevis / Michael Balls, Richard H. Clothier, John M. Rowles, Neil A. Kiteley, and Geoffrey W. Bennett -- The role and regulation of monodeiodination of thyroxine to 3,5,3ʹ-triiodothyronine during amphibian metamorphosis / Marino Buscaglia, Jacques Leloup, and Amaury de Luze -- Hormonal determination of neoteny in facultative neotonic urodeles / Eliane Larras-Regard -- Haematological and immunological 'metamorphosis' in neotenous urodeles / Richard D. Jurd -- Structural changes in the thymus glands of Xenopus laevis during development / Richard H. Clothier and Michael Balls -- The effects of metamorphosis on the regulation of humoral immunity in Xenopus laevis, the South African clawed toad / Laurens N. Ruben, Richard H. Clothier, Sean E. Jones, and Mark L. Bonyhadi -- The ontogeny of allo-tolerance and self-tolerance in larval Xenopus laevis / Nicholas Cohen, Sheila Dimarzo, Louise Rollins-Smith, Eve Barlow, and Sarah Vanderschmidt-Parsons -- Immunological memory and metamorphosis / M.J. Manning and G.M. Al Johari