||The Separation of the Egg of Ilyanassa into Two Parts by Centrifuging
||Morgan, T.H. Thomas Hunt Morgan
||Biological Bulletin, Vol. LXVIII, No. 2, April 1935, pp. 280-295
|| First edition. Offprint. Very good, slight sunning to edge of two pages. * Thomas Hunt Morgan won the Nobel Prize in Physiology or Medicine in 1933. Rare offprint. Johannes Holtfreter ownership stamp front cover.