The purpose of this monograph is to bring together in one volume some of the more recent knowledge of the cellular and biochemical constit uents of sheep's blood. Limitations of the space available have precluded a complete discus sion, but a number of good reviews have been published within the last few years on certain specific aspects and these have been referred to in the extensive bibliography. There is inevitably some overlap in the material discussed arising from duplication of interest and from the close association of the subject matter. The authors were asked to discuss normal...