00998nam2a22002657k 4500001001500000005001500015008004100030010002200071040001900093049002200112050002000134052001400154082001600168100004200184245009300226260004300319300003500362500012400397504003200521650001400553650002800567650002300595653005500618963005900673WMO000042274  19950428155321730424s1947    us a     b    000d  eng    a   64020884 //r82  a011001c0110010 lWM3538lWM4027c2 0aQL351b.M3 196402a575bM46s0 a575a590.121 aMayr, Ernst,d1904-20050KAC19961812410aSystematics and the origin of species, from the viewpoint of a zoologist/dby Ernst Mayr  aNew York:bDover Publications,c[1947]  axviii, 334 p.:billus.;c24 cm  a"Corrected republication of the work first published ... in 1942, to which has been added a new preface by the author."  aBibliography: p. [299]-314. 0aEvolution 0aZoologyxClassification 0aZoologyxVariation  aSYSTEMATICSaORIGINaSPECIESaVIEWPOINTaZOOLOGIST  aEvolutionaZoologyaZoologyaClassificationaVariation