Impact Factor
3.62
Estimated influence, citation density, publishing volume, and citation integrity from the analytics table.
Volume, recency, access pattern, and citing-community signals from the journal analytics record.
Recent article records with DOI-first linking and condensed abstracts.
Also issued online.
Issued Mar. 1867-Feb. 1868 by the Essex Institute; Mar. 1868-Dec. 1950, by the Peabody Academy of Science; 1951- by the American Society of Naturalists.
v.137, no. 1 (Jan. 1990)20030701 Notice published Printed on acid-free paper that meets the full ANSI standard for Permanent Paper