Issues also carry a distinctive title.
"Mammalian Species is published, on line, regularly by the American Society of Mammalogists with 20-30 new accounts issued each year. Each account summarizes the current understanding of the biology of a single species, including systematics, distribution, fossil history, genetics, anatomy, physiology, behavior, ecology, and conservation."--Its website
Issued as loose-leaf.
Latest issue consulted: No. 728, published 30 July 2003.
Continued by its online version.