The integration of agonistic behavior in the Steller's jay Cyanocitta stelleri (Gmelin)

all. It is well illustrated with many graphs and significant drawings, although the latter were apparently not done by professional artists. This is a good book, fulfilling a need that the editor discerned, and it should be very helpful to many people seeking an authoritative introduction to the study of social behavior in birds and mammals and to the work of some of the best known researchers in this area.-N. E. COLLIAS.