“…Some more general aspects of the problems presented by the chromosomes in Cypcracccr I have published in 19:32 and 1934 (on autopolyploidy and general interpretations), as well as in 1936 and 1937 (on chromosome associations). In the meantime, studies of the chromosomes of Cuperacece have been carried out by several other investigators, chiefly by HAKANSSON (1928HAKANSSON ( , 1929, HICKS (1928HICKS ( , 1929, and TANAKA (1937 a and b). Scattered data on the same topic are, further, to be found in works by NAKAJIMA (1937), BUCHER (1938), WULFF (1939), as well as by AVDULOV, MORINAGA, PIECH and others (conf', TISCHLER, 1927-38).…”