Uncolored litho prints of 3 eggs. Each identical to the other. A drawing in the Mitchell Library, Sydney, bears in pencil the binomial used for this print followed by "1. Tribonyx mortieri. / 2. Tribonyx ventralis. [both lines crossed through] / They may be a variety of Rallus philippensis [?] / [from] West Aust."; in the drawing the smallest of the eggs is below the others, but in the lithograph above them. Previously cited as GCS O-59 and GCS O-60, and so marked in pencil on reverse.