Is a refreshingly no-dogmatic smorgasbord of many of the major aspects of systematics - Trends in Ecology and Evolution; ...performs a welcome service by organizing and integrating a large body of recent behavioural and physiolgical data within a coherent framework and by providing a critical guide to unresolved issues. Behavioural psychologists and neuroscientists working on learning and memory will find this book well worth the investment for orientation and reference - Bioscience; The style is quite readable, and I expecially appreciated the author's comparison of various sytematic codes and his editorial comments on how the process of systematics might be improved and streamlined ... a handy reference - American Zoologist; A valuable reference for more advanced students - Science and Technology; This book provides the broadest and most balanced review of systematics that I have seen. - Biological Systematics