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Joseph Leidy’s teaching chart no. 60 courtesy of Philadelphia Academy of Natural Sciences. Intestinal microbial community of Julus marginatus, a juliform millipede (diplopod), Phylum Mandibulata (Uniramia). Arthromitus is attached both to the gut and to trichomycete fungal hyphae (arrows). Insets are from Leidy drawing no. 3 of “Termes,” his figures 31 (a) and 32 (b) (4).
