611.013 C280 V.9 Schultz,Adolf Hans,1891- The development of the external nose in whites and Negroes.By Adolph H.Schultz. (In carneige institution of Washington.Contributions to embryology.Washington,1920.29x23cm volIX,p.173-190.illus.,pl.) Contributions to embryology, no 34 Bibliography:p.190