All articles submitted for publication in this journal should be typed with double or treble spacing and authors are requested to avoid the use of abbreviations and not to underline either words or phrases.
All articles submitted for publication in this journal should be typed with double or treble spacing. Carbon copies should not be sent. Authors are requested to avoid the use of abbreviations and not to underline either words or phrases. References to articles and books should be carefully checked. In a reference the following information should be given without abbreviation: Initials of author, surname of author, full title of article, name of journal, volume, full date (month, day and year), number of the first page of the article. If a reterence is made to an abstract of a paper, the name of the original journal, together with that of the journal in which tne abstract has appeared, should be given witlh full date in each instance. Authors wno are not accustomed to preparing drawings or photographic prints for reproduction, are invited to seek the advice of the Editor.