Commentationes biologicae, Volume 31, Issue 3Societas Scientiarum Fennica., 1969 - Biology |
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allometry Ancylus Lake Ancylus stage average Baltic and White Baltic Ice Lake Baltic stock Bay of Finland Biometrical comparison BJÖRN KURTÉN Bo-JUNGAR Bothnic form Bothnic seals Bothnic stock botn botnica saimensis pomororum characters coast coefficient of variance comparison of four conditions and coastal correlation eastern Finland final isolation four populations four subspecies growth patterns Gulf of Bothnia Helsinki ice conditions ice margin interbreeding Isthmus of Carelia Ladoga and Saimaa Ladoga seals ladogensis botnica saimensis Lake Ladoga Lake Saimaa Lc/Wn length of cranium Lp/Wn MCLAREN measurements MÜLLER-WILLE Nordqv NORDQVIST 1899 PALMGREN Phoca hispida Schreb pleistocene PONTUS populations of Phoca preboreal Yoldia Sea premaxilla present study ringed seal saim Saimaa area Saimaa population SCIENTIARUM FENNICA Snellmaninkatu Seas and Lakes SEGERSTRÅLE Snellmaninkatu 9-11 Helsinki Societas Scientiarum Fennica standard range statistical analysis Table three subspecies Tvärminne upper limit variable variance analysis White Sea width across orbits Wikgren Yoldia stage