Enzyme systems in marine algae. 2. Trans-α-glucosylation by extracts of Cladophora rupestris

of administration of the isotope, which was given intravenously in the rabbit and intraperitoneally in the cat. SUMMARY 1. The degree of calcification (calcium/nitrogen ratio) of cortical bones in rabbits increases from about the fifth day of life and in the cat from about the ninth day of life. From the birth of kittens until they are 9 days old there is a continuous reduction in the degree of calcification.