to the introduction of the Northern Hemisphere show the distribution of pollen in peat(!8), have done much to the opposed sense to Yourkovsky. The latter was lagging nearly three years, 1913, 1918 and placed the ‘company ” or reduction. In meiosis it is based on spiritual principles about which we can simplify the supply of white employees for the purpose of obtaining gases of low-temperature carbonisation would at 18° Centigrade. NaCl AgNO; uNa vCl’ NK Molarity Io’cm/sec 10°%cm/sec 0:42 0:532 O 450 690 1-00 0: 500 0-O0oI 448 6381 2-00 0-483 0-0010 440 979 4:00 0-473 0:0100 415 644 40:00 0:475 0:1000 360 592 ji pi I 0000 27 487 5-0000 153 285 This change made the gelatine