000			00534nam a2200181Ia 4500
008			200826s9999||||xx |||||||||||||| ||und||
020			_a0674690109
041			_aeng
050			_aQH371 _b.M33 1970
100			_aMayr, Ernst
245		0	_aPopulations, Species and Evolution _b / _cErnst Mayr
260			_aCambridge, Mass. : _bBelknap Press of Harvard University Press, _c1970
300			_axv, 453 p. : _bill, map. ; _c25 cm.
650			_aAnimals -- Variation.
650			_aEvolution.
650			_aSpecies.
999			_c20297 _d20297