Block numbered in one place: 3375 [?]., Image of an ostrich in a desert setting, with palm trees in the background., Illustration appears in A History of Birds, Child's home library series no. 9 (Philadelphia, between 1857 and 1870?), p. 2.
Block numbered in one place: 4763., Image of an ostrich and two of its chicks in a natural setting., “N.J. Wemmer. 5 Pear St. Phila.” – Stamped on back of block twice. Nelson J. Wemmer is listed (as an artist) at this address in Philadelphia city directories from 1848 to 1856.
