Published by Biological Bulletin, 1956
pamphlet. Condition: Good. Prompt Shipment, shipped in Boxes, Tracking PROVIDEDGood, sunned, reprinted from Biological Bulletin, Vol. 110, No. 1, 96-106, February, 1956, 4 copies: 1) last name Spiegleman is underlined in red, then scribbled over, 2) Pencil scribble and name in ink: Haitz 9652, 3) nothing on it, and 4) authors names in ink: Yost, Henry T. Jr., Hope H. Robson & Irwin M. Spiegleman and a stamp: Thomas W. Whitaker.