Ootheca Wolleyana London, sold by R. H. Porter, 1864-1907, birds, eggs, Archibuteo lagopus, A collection of six distinct eggs displayed in varying shapes and patterns. Each egg features a unique surface texture, showcasing an array of colors and markings that include speckles, spots, and swirls. The eggs are numbered 1 through 6, indicating a systematic study or classification, possibly for educational or scientific reference. The background is neutral, emphasizing the natural beauty and diversity of the eggs' designs, suggesting a focus on ornithology or the study of bird species.