Organized field trips in the tropics proved to be an effective way to gather new information about ferns. The areas of study covered were: systematics and ecology, cytology and gametophyte structure, and morphogenesis and physiology. (PS)

Summarizes the interrelationships of soil, topography, climate, organisms, and time in the Sydney (Australia) Basin, with particular reference to the effects of human intervention. (AL)

Short articles describing a model of protein synthesis, a simple constant temperature incubator, techniques for determining the age structure of populations from qualitative characters, an experimental demonstration of proteolytic enzyme action, and apparatus for demonstrating hydrotrophic response of roots and for measuring photosynthetic rate of…

Describes the philosophy of the Intermediate Science Curriculum Study program. Explains the content structure of the program at the Seventh, eighth, and ninth grades. Discusses the individualized method of instruction of the program. Finally, reports the results and conclusions of the 1966-67 field trials and the CAI trials. Outlines future plans…

Suggests using common flowers as defined habitat for student entomology projects. Study on Heracleum Spondylium" illustrates possible scope. (AL)

Points to need for counselors to be involved in research activities, while at the same time examining reasons why they are not. Suggests that counselors have an obligation to divest themselves of the rigidity that hampers research at the local level, and attempt to conduct action research. (CJ)

Describes procedures used to provide trainee teachers with experience in conducting ecological field studies, including preliminary classroom instruction, residential field experience, follow-up classroom work, and testing and evaluation. Summarizes opinions of students and trainee teachers on the worth of the experience. (AL)

Argues that there has been a tendency to limit claims of generalizability to educational research studies which could demonstrate an appropriate use of sampling theory. The results of field studies based on precise consistent observation can be used to interpret more general social behavior. (AM)