The master proof should be signed and returned to the Editorial Office together with the manuscript within seven days by airmail. Offprints Fifty offprints of each article, without covers, will be supplied free of charge if ordered on the offprint order form accompanying the page proofs. Additional offprints, with or without covers, may be ordered on the same form. Reprints may be ordered at additional cost. Supplements Lengthy papers may be published as supplements, the full cost being borne by the author.
Supplements are subject to editorial revision.