000 00343nas a2200109 a 4500
008 151013s9999 xx 000 0 und d
245 _aMidlnatu
260 _aJSTOR
505 _a1909-04-01 - 1909-10-01
650 _aBiological Sciences;Ecology & Evolutionary Biology
856 _uhttp://www.jstor.org/action/showPublication?journalCode=midlnatu
999 _c21163
_d21163