This is a vintage illustration of four different whale species, arranged in a vertical stack. The style is reminiscent of 19th-century scientific drawings, with detailed shading and line work. Each whale is depicted in profile, swimming horizontally across the page. Here's a breakdown of each whale from top to bottom: 1. **Whale 1:** A large whale with a rounded head and a pale, bulbous forehead. It has a dark body and is depicted with a textured surface. 2. **Whale 2:** This whale has a more streamlined body and a distinct pattern of scales or markings along its side. It appears to have a smaller head compared to the first whale. 3. **Whale 3:** This whale has a sleek, dark body and a prominent dorsal fin. It has a more defined head shape and a visible eye. 4. **Whale 4:** This whale is the smallest of the four and has a slender, elongated body. It has a pointed snout and a small dorsal fin. The background is filled with wavy lines and textured patterns, suggesting the ocean's surface. Below the illustration, there is text identifying each whale species: 1. Physeter macrocephalus Blainville C. 2. var. E.Gibbosus Shreb. Gibbosus C. 3. D. Thorens Porpoise. 4. Delphis Dolphin. The overall tone of the illustration is scientific and detailed, typical of natural history illustrations from the 19th century.