This is a vintage scientific illustration, likely an engraving, depicting three preserved specimens in jars. The style is detailed and reminiscent of anatomical or biological drawings from the 18th or 19th century. **Fig. I:** Shows a plant-like specimen with a thick, root-like base submerged in a liquid. Above the base, there's a mass of branching structures resembling roots and stems, topped with leaf-like formations. The specimen appears to be preserved in a jar filled with a clear liquid. **Fig. II:** Depicts a long, serpentine creature, resembling a snake or eel, preserved in a jar. The creature is coiled and its body is covered in scales or small protrusions. Its head is small and pointed. **Fig. III:** Shows another preserved specimen, this one resembling a fish or aquatic animal. It has a distinct head with an eye, a long body, and a tail. The specimen is suspended in a jar filled with a clear liquid. Each jar is labeled with a Roman numeral indicating the figure number. The illustration is done in a detailed, cross-hatched style, typical of engravings from that era. The overall impression is one of scientific curiosity and the desire to document and preserve natural specimens.