Paper with instrument reading tape taped in position, ""Fig 11"", each tape is labeled from ""a"" to ""d"", ""Lose Graph lives"", ""reduce with fig 11"", back is stamped with ""6365E"", ""Fig 10, Smithy et al"".
Paper with instrument reading tape taped in position, each tape is labeled with top as ""a"" and bottom as ""f"", ""Fig 12"", ""reduce with Fig 11 lose graph lives""
Sketch for article, parts identified, ""Aorta, Foregut, Omphalomesenteric duct, Paired Omphalomesenteric Arteries, Hind gut"", signed by J. Allen Chamberlin, M. D.
Paper with instrument reading tape taped in position, ""Fig 10"", each tape is labeled from ""a"" to ""d"", ""Lose Graph lives"", ""reduce with fig 11""
