Histoire naturelle des quadrupèdes-ovipares, Paris, Rapet, 1819, shark, natural history, fishes, zoology, The illustration features three distinct fish, each numbered for reference. The first fish, labeled '1,' showcases a streamlined body with prominent dorsal and pectoral fins, exhibiting a smooth contour typical of certain shark species. The second fish, marked '2,' is characterized by an elongated body and a jagged, saw-like edge extending from its snout, suggestive of a specialized adaptation. The third fish, identified as '3,' resembles the first but appears slightly larger, with a more pronounced tail fin. Below the illustration, there are captions indicating the respective species and a reference to their detailed descriptions on the following pages. The overall presentation reflects the meticulous style of scientific illustrations, aimed at educating viewers