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
Mode of access: World Wide Web.
Issued by the Los Angeles County Museum, no. 1- ; by the Los Angeles County Museum of Natural History <no. 192->; by the Natural History Museum of Los Angeles County <no. 219->
Author indexes, no. 1-34 and no. 35-63 published separately.
Description based on print version record.
Latest issue consulted: Surrogate of no. 519 (Jan. 2010); title from cover (NHM website, viewed Dec. 19, 2011).