Electronic reproduction. [S.l.] : HathiTrust Digital Library, 2010.
Master and use copy. Digital master created according to Benchmark for Faithful Digital Reproductions of Monographs and Serials, Version 1. Digital Library Federation, December 2002. http://purl.oclc.org/DLF/benchrepro0212
Issued by the Chicago Natural History Museum, 1945-Feb. 1966; by the Field Museum of Natural History, Mar. 1966-
Merged with: Fieldiana. Zoology; and Fieldiana. Botany: to form: Fieldiana. Life and earth sciences.
Description based on: New ser., no. 50 (July 30, 2004); running title from PDF (BioOne, viewed Nov. 27, 2007).
Latest issue consulted: New ser., no. 52 (Jan. 8, 2010) (BioOne’s website, viewed on July 19, 2011).