Ootheca Wolleyana London sold by R. H. Porter 1864-1907 birds eggs falco gyrfalco, The illustration features a collection of six distinct eggs, each exhibiting unique colors and patterns. Arranged in two rows, the eggs vary in shades from warm, earthy tones to lighter hues. The first egg on the top left shows a speckled brown surface, while the second egg combines soft beige with subtle patterns. The third egg stands out with a smooth, uniform texture and a light tan color. In the bottom row, the first egg displays a rich reddish-brown speckle, the next has a slightly more subdued palette with overlapping textures, and the final egg presents a mottled design with a creamy base. Each egg is numbered and meticulously detailed, showcasing the diversity of avian reproduction.