Boston, Journal of Natural History, Boston Society of Natural History., An illustration showcasing a collection of spider species, organized in a grid format. Each figure is meticulously labeled, with various types of spiders depicted from different perspectives, emphasizing their unique shapes and patterns. The arrangement reflects an emphasis on scientific study, detailing the diverse morphological characteristics of these arachnids, which include variations in body shape, leg structure, and coloration. The presentation is designed for educational purposes, likely intended to assist in the identification and classification of spider species found in the United States.