Describes a device for maintaining the proper water level in knife boats during ultramicrotomy. Water levels in troughs are adjusted rapidly and precisely during the cutting process. Illustrations are included. (Author/MA)

Reports the recommendations of the annual American Institute of Biological Sciences (AIBS) meeting at the University of Georgia. Suggests that biologists should become more involved in land use planning and resource allocation in the Southeast. Presents a seven-step process for land-use decision-making. (MA)