000 00450nad a22001457a 4500
008 120525s1934 -us||||| |||| 00| 0 eng d
041 _aeng
100 1 _aSumner, Francis B.
245 1 _aTaxonomic distinctions viewed in the light of genetics /
_cFrancis B. Sumner
260 _a[S.l. :
_bs.n.],
_c1934
300 _a137-149 p. ;
_c28 cm
440 1 _aThe American naturalist ;
_v68
760 _05151
_95151
_tGenetica Varia.
_w5151
942 _2ddc
_cPM
999 _c35229
_d35229