Endocrines and Osmoregulation

It is an old and trite saying that a preface is written last, placed first and read least. It may also be an explanation or justification for what follows, especially if the author feels that the reader may not agree with him . This is thus, something of an apologia. When I first agreed to write this book, I felt that it was to be directed principally towards the endocrine system of vertebrates es...