A division of the text into various sections may be dispensed with. Latin names of organisms should be marked for italics by underlining. Names of authors in the text must be written in capital letters. Descriptions of methods and less important parts of the text should be marked at the margin for small print. Weights and measures data should be quoted in SI units.
Authors are responsible for the linguistic quality.
The taxonomy, differentiation and identification of Cytophage. 8th ed., Baltimore, Williams and Wilkins 1974. Original in black ink or a good quality laser print. Authors will receive 50 reprints of each contribution free of charge. Such copies may also be prepared for complicated mathematical or physical formulas, portions of genetic maps, diagrams, and flow schemes.