isepiptesis

plural isepipteses

1. alternativerareAlternative form of isopiptesis.

   In the past, arrival times of returning migrants plotted on maps, so-called isochronuous lines (isepipteses, isochrones, isophenes) were shown to match more or less specific isotherms (Schüz et al., 1971).

   1996, Peter Berthold, Control of Bird Migration, page 191

   1 more example

   His chief object was to trace what he termed the isepipteses (ισος = æqulis, επιπτῃς = advolatus) or the lines of simultaneous arrival, and in the case of 7 species these are laid down on the maps which accompany his treatise.

   1896, Alfred Newton, A Dictionary of Birds, page 559