American Water Turtles

Four turtles are depicted as viewed through aquarium glass. Three swim at varying depths, while the fourth climbs onto a raised bank. This illustration shows, from top to bottom, the following species:

1. The common map turtle (Graptemys geographica)
2. The diamondback terrapin (Malaclemys terrapin)
3. The painted turtle (Chrysemys picta)
4. The Ornate slider (Trachemys ornata)

The caption reads in the original German: Amerikanische Wasserschilkröten. 1. Malaclemys lesueuri Gray — 2. Malaclemys centrata Latr. — 3. Chrysemys picta Schn. — 4. Chrysemys ornata Gray