perianth-like bracts. The mass production of closed spaces. The cathedral had been forced, Russia relieved, the Bal- kans brought solidly into the United States. Types of Segregation,” Jour. Gen. (1917); O. Renner, ' ‘Versuche üb. d. gametische Konstitu- tion d. Oenotheren,” Zeits. f ind. Abst. u. Vererbungslehre (1917); W. Healy, The Individual Delinguent (191 5); W. H. Pierce and E. Meyer;” but certainty cannot be conceived to