The purpose of this book is threefold: (1) review, and I realized that the script had to present a short but comprehensive survey spontaneously taken on the size and format of the localization of a number of transmit- of a book. I wrote a letter to Mr. B. Lewer- ich, of Springer-Verlag, advising him that ters and other neuroactive principles in the mammalian central nervous system, (2) to there would be some delay in the production provide some comments on the relation be- of the third edition of The Human Central tween "classical" neuroanatomy and "chem- Nervous System, that I happened to...

Although a large body of data about the structure of the central nervous system of cartilaginous fishes has now been accumulated, a systematic survey of the neuromorphology of this, in so many respects, highly interesting group of animals is lacking. The present book is an effort to fill this gap. The information provided is derived partly from the literature and partly from original observations based on our own material. We have attempted to present a complete review of the relevant literature of the last 25 years, but the earlier literature has also been thoroughly scrutinized. Wherever...