Various conocephaline katydid species, from Saussure (1893) (plate 19: 1, 2, 4, 15, 23, 28, habitus of female, lateral view; 3, 13, habitus, dorsal view; 5, 6, 11, 17, 18, 21, 22, 25, 30, head region, dorsal view; 7, 8, 10, 12, 14, 31, female ovipositor, lateral view; 9, 29, 32, right forewing; 16, 19, 26, head region, frontal view; 20, 24, 27, head region, lateral view; 33, tambourine of left forewing, detail; 34, tambourine of right forewing, detail). Image available from Biodiversity Heritage Library (biodiversitylibrary.org/item/14636#page/484/mode/1up).   
  Part of: Egloff W, Agosti D, Kishor P, Patterson D, Miller J (2017) Copyright and the Use of Images as Biodiversity Data. Research Ideas and Outcomes 3: e12502. https://doi.org/10.3897/rio.3.e12502