This textbook and reference contains full colour photomicrographs with short morphological descriptions. It provides the fundamentals for recognizing the normal and abnormal morphological features of blood cells of the common domestic species including dogs, cats, horses, ruminants, and llamas. The photomicrographs show many of the common, as well as some of the less common, blood abnormalities. Those unique to one species are mentioned with some of the more common diseases orpathophysiological states in which these abnormalities occur. Coverage is as complete as possible and different cell types that are frequently confused with each other are contrasted. It will appeal to students and to experienced practitioners and technicians alike.