REVIEWS: Hormones and Reproduction of Vertebrates, Volume 4 - Birds (D.O. Norris & K.H.Lopez); The Kittiwake (J.C. Coulson); Descriptive Physical Oceanography (L.D. Talley, G.L. Pickard, W.J. Emery, & J.H. Swift); Stray Feathers: Reflections on the Structure, Behaviour and Evolution of Birds (P. Olsen & L. Joseph); Petrels, Albatrosses & Storm-Petrels of North America: A Photographic Guide (S.N.G. Howell)