PARTⅠ．ECOLOGY 1
Parameters of the Marine Environment＆Rae,K．M 3
The Inadequacy of Experiment in Marine Biology＆Redfield,A．C 17
Immediate Problems in the Development of Marine Biology＆Zenkevitch,L 27
Perspectives in the Study of Benthic Fauna of the Continental Shelf＆Drach,P 33
The Particulate and the Comparative Concept in Marine Synecology＆Wieser,W 47
An Attempt to Test the Efficiency of Ecological Field Methods and the Validity of their Results＆Riedl,R 57
Parallel Level-Bottom Communities,Their Temperature Adaptation,and Their＂Balance＂between Predators and Food Animals＆Thorson,G 67
Some Problems in Larval Ecology Related to the Localized Distribution of Bottom Animals＆Wilson,D．P 87
The Future of Underwater Television＆Barnes,H 105
Ecology and Physiology of Reef-Building Corals＆Yonge,C．M 117
Irregularities of Distribution of Plankton Communities:Considerations and Methods＆Tonolli,V．and L 137
Perspective in the Study of Seasonal Changes of Plankton and of the Number of Generations at Different Latitudes＆Bogorov,B．G 145
Toward Prediction in the Sea＆Hardy,A．G 159
PART Ⅱ．PHYSIOLOGY AND BIOCHEMISTRY 187
Some Biochemical Problems in Marine Biology＆Baldwin,E 189
Homeostatic Mechanisms in Marine Organisms＆Bullock,T．H 199
The Regulatory Mechanisms of Cellular Respiration＆Guzman Barron,E．S 211
Motion,Energy Transmission,and the Cellular Matrix＆Szent-Gyorgyi,A 233
Perspectives in the Study of Biological Clocks＆Pittendrigh,C．S 239
Studies of the Timing Mechanisms of Daily,Tidal,and Lunar Periodicities in Organisms＆Brown,F．A．,Jr 269
Some Thoughts on Biochemical Perspectives in Marine Biology＆Kon,S．K 283
The Primary Production and Standing Crop of Phytoplankton＆Rodhe,W．,R．A．Vollenweider,and A．Nauwerck 299
Temporal Succession and Spatial Heterogeneity in Phytoplankton＆Margalef,R 323
Some Functional Aspects of Inorganic Micronutrients in the Metabolism of Green Plants＆Arnon,D．I 351
Growth Factors in Unicellular Marine Algae＆Provasoli,L 385
Marine Microorganisms:Some Generalizations Concerning Their Importance to Marine Life＆Belser,W．L 405
PART Ⅲ．BEHAVIOR 409
Ethology as a New Branch of Biology＆Thorpe,W．H 411
Polarized Light and Plankton Navigation＆Waterman,T．H 420
Perception of Pathways by Fishes in Migration＆Hasler,A．D 451
Perspectives of Experimental Research on Social Interference among Fishes＆Miyadi,D 469
PART Ⅳ．GENETICS AND EVOLUTION 481
Challenging Problems in Shellfish Biology＆Loosanoff,V．L 483
Some Marine Invertebrates Useful for Genetic Research＆Ray,D．L 497
Problems of Species Formations in the Benthic Microfauna of the Deep Sea＆Wieser,W 513
Aspects of the Environment of Pearl-Culture Grounds and the Problems of Hybridization in the Genus Pinctada＆Matsui,Y 519
Some Chemical Bases for Evolution of Micro-organisms＆Novick,A 533
Genetics and Marine Alage＆Lewin,R．A 547
Genetic Systems in Sessile and Semisessile Organisms＆Barigozzi,C 559
Problems of Speciation in Marine Invertebrates＆Kohn,A．J 571
Perspectives of Research on Sex Problems in Marine Animals＆Montalenti,G 589
A Few Remarks on Marine Biology,Animal Biology,and General Biology＆Drach,P 603
Some Genetical Problems Presented by Sessile Coelenterates＆Yonge,C．M 609
Perspectives in Marine Biology＆Buzzati-Traverso,A．A 613