Boston Journal of Natural History. Boston, Boston Society of Natural History., This image features a series of detailed illustrations showcasing three distinct perspectives of a specific species of snail, identified as H. Pershayvivmuca. The top illustration presents a side view of the snail, emphasizing its spiraled shell and elongated body. The middle depiction offers a view from above, highlighting the smooth, rounded surface of the shell. The bottom illustration captures a slightly angled perspective of the shell, showcasing its unique curvature and texture. Each illustration is labeled with the species name and the artist's signature, reflecting the intricate artistry and scientific interest of the time.