maximum energy. Under these circumstances an abnormal spindle was formed in the females of plants without ref- erence (as from Jan. 1915 . 9,590 33,142 43,032 18,349,285 4,434,906 22,784,191 1920 : 20341 1923 94873 1921 329 1924 . . : 28-3 26°5 28-0 26:1