The knowledge of cytodynamics in the respiratory tract is still in its infancy. Since Bertalanffy and Leblond (1953) described their findings in a study of the alveolar macrophage cells in the lung of the albino rat, few investigations have been reported in the literature (Koburg, 1962; Spencer and Shorter, 1962; Meyer zum Gottesberge and Koburg, 1963; and Shorter, Titus, and Divertie, 1964b), ...

Titus, P.E. Geissler, L.H. Roach, C.A. Verba, J.F. Mustard, S.L. Murchie, A.J. Brown, F. Seelos, K. Seelos, W.M. Calvin, M. Parente, C. Cornwall. 1 Div. of Astronomy, Dep. of Phys. Sciences, P.O. BOX 3000, FI-90014 University of Oulu, Finland ([email protected]). 2U.S. Geological Survey, 2255 N. Gemini Dr., Flagstaff, AZ 86001, USA. Dept. of Geological Sciences, Box 1846, Brown Universit...