Marvels of fish life as revealed by the camera 1912. fishes, photography of fishes, fish, egg of dogfish, egg of ray, This composition showcases three distinct views of eggs from cartilaginous fishes. The top section features an elongated egg of a dogfish, characterized by its streamlined shape and intricate surface texture. Below it, two views of the egg of a ray are presented: a side view on the left, highlighting its unique elongated form, and a full view on the right, demonstrating its broader base with a smooth outer layer. These illustrations emphasize the diverse reproductive features of cartilaginous fishes, highlighting their adaptation to aquatic environments.