This is the ninth and final volume of the complete work. It contains 61 comprehensive species descriptions, with sections devoted to field characteristics, habitat, distribution, mortality, population, movements, food, social patterns and behavior, breeding, voice, plumages, moults, measurements, weights, structure, and geographical variation. Species include: Passeriforms, Parulidae New World Wood-Warblers, Thraupidae Tanagers, Emberizinae Buntings and allies, Cardinalinae Cardinal-Grosbeaks and allies, Icteridae New World Blackbirds and allies, Orioles and allies, and additional species. Illustrations of each species in the form of specially commissioned colour plates as well as colour plates at the rear of book of eggs and many text figures and maps throughout. Overall a very nice copy of this rare specialist book. It is clean, bright and tightly bound.