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The purpose of this book is to explore some of those great mysteries of the earth that have captured the popular imagination, and especially those having their roots in our specialties of archaeology and geology.

The development of the material in this volume began with a realization by the staff at The Cambridge-Somerville Mental Health and Retardation Center (in the Massachusetts cities of Cambridge and Somerville) that an increasing num ber of people were entering the mental health system with problems related to the very nature of their personalities.

The aim of this book is to gather under one cover most of the data presently available on the carbon-13 nuclear magnetic resonance (cmr) spectra of alkaloids.

Rather than deal with the relevance of each article to these issues, let us deal with the basic question of why such continued interest in application of Piagetian theory to education, and further raise the problem of the feasi bility of such a task. Why the continued interest in application of Piagetian theory in education?

The main categories of available wave data are visual estimates of wave conditions made from ships at sea, scientific measurements of waves made for short time periods at specific locations, and a small number of long-term measurements made from piers or offshore platforms.

Masters Theses in the Pure and Applied Sciences was first conceived, published, and dis seminated by the Center for Information and Numerical Data Analysis and Synthesis (CINDAS) * at Purdue University in 1957, starting its coverage of theses with the academic year 1955.

Allison Division, General Motor s American Messer Corporation Aro Equipment Corporation Beech Aircraft Corporation Bell Aircraft Boeing Airplane Company Cambridge Corporation Convair Curtiss-Wright Corporation Garrett Corporation General Electric Company Herrick L.

These sessions were divided into the following general topics: Cryogenic Processes Cryogenic Equipment Cryogenic Properties Cryogenic Applications Bubble Chambers The division in some cases had to be somewhat arbitrary since several papers could have been classified under more than one general topic.

Cryogenic engineering is concerned with developing and improving low temperature processes, techniques, and equipment; It is rather difficult to assign a definite temperature which serves to divide refrigerating engineering from cryogenic engineering.

Sexual compatibility between male and female partners is in dispensable to normal and successful fertilization in mammals. Thus, the genes from males and females whose sexual behavior is characterized by awkwardness, ineptness, and miscues are elimi nated from the gene pool of the species.

Poisons are topics of multidisciplinary concern. Six poisons of animal origin which are receiving considerable clinical and research attention are discussed. Each poison is presented first as a clinical entity, then as a topic of investigative research, and finally as an agent useful to the study of nerve function.

This year, Orbis Scientiae 1976, dedicated to the Bicentennial of the United States of America, was devoted entirely to recent developments in high energy These proceedings contain nearly all of the physics.

Water covers about two-thirds of the surface of earth, but only 0.627 percent of this water is the sweet surface and subsurface water available for the survival of freshwater organisms including man (1,2).

The purpose of this publication is to report on a series of research workshops which examined the place of environmental perception in a comprehensive system of indices for assessing and monitoring trends in environmental quality.

The purpose of the symposium "Environmental Dynamics of Pes ticides" was to explore the concept of chemodynamics as applied to pesticides and thus may help in developing the emerging field of environmental chemodynamics.

In 1974, as we approached the National Bicentennial and the Centenary of the American Chemical Society, Professor Otto Vogl, then Chairman of the Division of Polymer Chemistry, arranged a very special symposium dedicated to a review of the history of the Divi sion.

Such knowledge deals with static concepts, whereas the biosystems we treat extend in the dimensions of time as well as in those of space. Even when "resting", a biosystem manifests a dynamic stability, and sustains numerous processes whose successive states follow trajectories in time.

During the summer of 1974 we discussed the state of molecular biology and biochemical developmental biology in plants on a few occasions in Paris and in Strasbourg. The lectures published here* reflect the diversity of current research in plant molecular biology and biochemical developmental biology.

A NATO Advanced Study Institute on "Phytotoxins in Plant Diseases" was held in Pugnochiuso (Italy) in June 1970.

The Eighty-Second National Meeting of the American Institute of Chemical Engineers, held in Atlantic City, New Jersey, from August 29 through September 1, 1976, had as one of its themes the topic of transport processes.

There are three important problems facing the world: deple tion of fossil fUels, demand for more energy, and the pollution of our environment.