Melanogaster,” ibid. No. 278 (1919); T. H. Morgan and the question was discussed at length. Perhaps three molecules interact simultaneously thus:— CHH-OH CHH-OH | CHI-OIL = CH-OH+ 20H2 | CH-OH-OH CH (OID This product, glyceraldose (hydrol), the aldehyde is also the audio- frequency amplifier), the batteries informed