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Cohen, A. L. (1953). Proc. nat. Acad. Sei., Wash. 39, 68.
Francis, D. W. (1959). 'Pseudoplasmodial movement in Dictyostelium
discoideum*,
M.S. thesis, Wisconsin University.
Francis, D. W. (1962). 'The movement of pseudoplasmodia of
Dictyostelium
discoideum', Ph.D. thesis, Wisconsin University.
Gerisch, G. (1959). Naturwissenschaften
46, 654.
Gerisch, G. (I960). Roux Arch. EntwMech. Organ. 152, 632.
Gezelius, Κ. (1959). Exp. Cell Res. 18, 425.
Goldacre, R. J. (1961). Exp. Cell Res., Suppl. 8, 1.
Gregg, J. H., Hackney, A. L. and Krivanek, J. O. (1954). Biol. Bull., Wood's Hole
107, 226.
Griffin, J. L. and Allen, R. D. (1960). Exp. Cell Res. 20, 619.
Hirschberg, E. and Rusch, H. P. (1950). J. cell. comp. Physiol. 36, 105.
Konijn, T. M. (1961). 'Cell aggregation in Dictyostelium discoideum\ Ph.D. thesis,
Wisconsin University.
Krivanek, J. O. (1956). J. exp. Zool. 133, 459.
Mast, S. O. (1932). Physiol. Zool. 5, 1.
Mast, S. O. and Stahler, N. (1937). Biol. Bull., Wood's Hole 73, 126.
Potts, G. (1902). Flora 91, 281.
Raper, Κ. B. (1935). J. agric. Res. 50, 135.
Raper, Κ. B. (1940). J. Elisha Mitchell sei. Soc. 56, 241.
Raper, Κ. B. (1941). Growth 5, 41.
Raper, Κ. B. (1956). J. gen. Microbiol. 14, 716.
Raper, Κ. B. and Fennell, D. I. (1952). Bull. Torrey Bot. Club 79, 25.
Raper, Κ. B. and Quinlan, M. S. (1958). J. gen. Microbiol. 18, 16.
Raper, Κ. B. and Thorn, C. (1941). Amer. J. Bot. 28, 69.
Runyon, Ε. H. (1942). Collecting Net 17, 88.
Samuel, E. W. (1961). Develop. Biol. 3, 317.
Shaffer, Β. M. (1962). Unpublished observations.
Slifkin, M. K. and Bonner, J. T. (1952). Biol. Bull., Wood's Hole 102, 273.
Weiss, P. (1953). J. Embryol. 1, 181.
Whittingham, W. F. and Raper, Κ. B. (1957). Amer. J. Bot. 44, 619.
Β. Μ. SHAFFER
Castle, E. S. (1933). J. gen. Physiol. 17, 41.
Cohen, A. L. (1953). Proc. nat. Acad. Sei., Wash. 39, 68.
Francis, D. W. (1959). 'Pseudoplasmodial movement in Dictyostelium
discoideum*,
M.S. thesis, Wisconsin University.
Francis, D. W. (1962). 'The movement of pseudoplasmodia of
Dictyostelium
discoideum', Ph.D. thesis, Wisconsin University.
Gerisch, G. (1959). Naturwissenschaften
46, 654.
Gerisch, G. (I960). Roux Arch. EntwMech. Organ. 152, 632.
Gezelius, Κ. (1959). Exp. Cell Res. 18, 425.
Goldacre, R. J. (1961). Exp. Cell Res., Suppl. 8, 1.
Gregg, J. H., Hackney, A. L. and Krivanek, J. O. (1954). Biol. Bull., Wood's Hole
107, 226.
Griffin, J. L. and Allen, R. D. (1960). Exp. Cell Res. 20, 619.
Hirschberg, E. and Rusch, H. P. (1950). J. cell. comp. Physiol. 36, 105.
Konijn, T. M. (1961). 'Cell aggregation in Dictyostelium discoideum\ Ph.D. thesis,
Wisconsin University.
Krivanek, J. O. (1956). J. exp. Zool. 133, 459.
Mast, S. O. (1932). Physiol. Zool. 5, 1.
Mast, S. O. and Stahler, N. (1937). Biol. Bull., Wood's Hole 73, 126.
Potts, G. (1902). Flora 91, 281.
Raper, Κ. B. (1935). J. agric. Res. 50, 135.
Raper, Κ. B. (1940). J. Elisha Mitchell sei. Soc. 56, 241.
Raper, Κ. B. (1941). Growth 5, 41.
Raper, Κ. B. (1956). J. gen. Microbiol. 14, 716.
Raper, Κ. B. and Fennell, D. I. (1952). Bull. Torrey Bot. Club 79, 25.
Raper, Κ. B. and Quinlan, M. S. (1958). J. gen. Microbiol. 18, 16.
Raper, Κ. B. and Thorn, C. (1941). Amer. J. Bot. 28, 69.
Runyon, Ε. H. (1942). Collecting Net 17, 88.
Samuel, E. W. (1961). Develop. Biol. 3, 317.
Shaffer, Β. M. (1962). Unpublished observations.
Slifkin, M. K. and Bonner, J. T. (1952). Biol. Bull., Wood's Hole 102, 273.
Weiss, P. (1953). J. Embryol. 1, 181.
Whittingham, W. F. and Raper, Κ. B. (1957). Amer. J. Bot. 44, 619.