The American naturalist  [electronic resource]. 
 AN 

 - Chicago, Ill :  University of Chicago Press,  1999- 
 - Monthly 
 - Print began with vol. 1, no. 1 (Mar. 1867). 
<br/><br/> Title from contents screen (viewed Oct. 31, 2001).  Latest issue consulted: Vol. 166, no. S4 (Oct. 2005) PDF at the the University of Chicago Press journal Web site, viewed Oct. 11, 2005.  Academic Journal 
<br/><br/>Two vols. per year, 6 issues per vol. , <July 2004-> 
<br/><br/>Some issues accompanied by supplements with distinctive titles. 
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<br/><br/><br/>Mode of access: World Wide Web. 
<br/><br/>Sponsored by the American Society of Naturalists. 
<br/><br/><label>ISSN: </label>1537-5323 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Natural history--Periodicals.<br/>Biology--Periodicals.
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Electronic journals.