Includes bibliographical references.

INTRODUCTION. The concept of pattern in ecology / G. Evelyn Hutchinson -- SINGLE SPECIES POPULATIONS : PATTERNS IN SPACE AND TIME. A study of the Cryptozoa of an Illinois woodland / Lamont C. Cole ; Distance to nearest neighbor as a measure of spatial relationships in populations / Philip J. Clark and Francis C. Evans ; Life tables for natural populations of animals / Edward S. Deevey, Jr. ; The intrinsic rate of natural increase of an insect population / L.C. Birch ; Studies of the population dynamics of the salamander genus Desmognathus in Virginia / James A. Organ ; Experimental methods in population dynamics : a critique / Frederick E. Smith -- RELATIONSHIPS BETWEEN SPECIES : COMPETITION AND PREDATION. Behavior of mixed populations and the problem with natural selection / G.F. Gause and A.A. Witt ; Collections of laboratory populations of two species of Daphnia / Peter W. Frank ; Beetles, competition and populations / Thomas Park ; Population ecology of some Warblers of Northeastern coniferous forests / Robert H. MacArthur ; Experimental studies on predation : dispersion factors and predator-prey oscillations / C.B. Huffaker -- COMMUNITY METABOLISM : ENERGETICS AND PRODUCTIVITY. The trophic-dynamic aspect of ecology / Raymond L. Lindeman ; Metabolism and bioenergetics / Oliver P. Pearson ; The daily energy requirements of a Wild Anna Hummingbird / Oliver P. Pearson ; Ecological energy relationships at the population level / L.B. Slobodkin ; Primary production in flowing waters / Howard T. Odum ; Potential productivity of the sea / John H. Ryther -- COMMUNITY STRUCTURE. Community structure, population control, and competition / Nelson G. Hairston, Frederick E. Smith, and Lawrence B. Slobodkin ; Homage to Santa Rosalia or Why are there so many kinds of animals? / G.E. Hutchinson ; On the relative abundance of species / Robert MacArthur ; Species abundance and community organization / Nelson G. Hairston ; The role of soil arthropods in the energetics of an Old Field community / Manfred D. Engelmann ; Bird populations of the Highlands (North Carolina) Plateau in relation to plan succession and avian invasion / Eugene P. Odum ; A study of Plankton Copecod communities in the Columbia Basin, Southeastern Washington / R.H. Whittaker and C. Warren Fairbanks.