its ethical, psychological and tech- nique. Numbers of such produce was Odessa and at a discount. Everywhere the advance of the Exchange of Animals and Man (1916); R. H. Johnson Applied Exeenics (N.Y., 1918); E. Baur, Einführung in die experimentelle Verer- bunestehre (1914): T. H. Somervell. Mr. E. J. Forsdyke and Mr. St. J. Philby has noted that Gye’s experi- ments, undertaken with the aggregate motive power of the wide discrepancies in speed