Direction 73 Addition to the Official List of Specific Names in Zoology (a) of the specific names of Twenty-five species of the Phyla Mollusca, Brachiopoda, Echinodermata and Chordata, each of which is the type species of a genus, the name of which was placed on the Official List of Generic Names in Zoology in the period up to the end of 1936 and (B) of the specific names of three species belonging respectively to the Phyla Brachiopoda, Echino Dermata and Chordata, each of which is currently treated by Some or All Specialists as a senior Subjective synonym of the name of such a species