. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. PARSONS: HEAD OF GELASTOCORIS Zi) the thickened base of the mandibular stylet, while the third is unattached, projecting posteriorly in the head. The lateral and medial margins of the lever are heavily sclerotized, while the central part is membranous, continuing anteriorly directly into the dorsal wall of the genal sac without a break. The lateral margin of the lever is slightly longer than the medial margin,. Figure 14. Dorsal view of the right mandibular stj'let (middle part omit- ted) and lever. Figure 15. Transve
. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. PARSONS: HEAD OF GELASTOCORIS Zi) the thickened base of the mandibular stylet, while the third is unattached, projecting posteriorly in the head. The lateral and medial margins of the lever are heavily sclerotized, while the central part is membranous, continuing anteriorly directly into the dorsal wall of the genal sac without a break. The lateral margin of the lever is slightly longer than the medial margin,. Figure 14. Dorsal view of the right mandibular stj'let (middle part omit- ted) and lever. Figure 15. Transverse section through the stylet bundle in the stylet groove of the labium (taken from the section shown in Figure 13F). Figure 16. Detail of the tip of the right mandibular stylet, showing the teeth. Figure 17. Dorsoniedial view of the right maxillary stylet (middle part omitted) and lever. the shape of the lever being somewhat different from tiiat figured by Spooner (1938) for Gclastocoris sp. Figure 14 shows the general form of the long, slender man- dibular stylet. It is a hollow structure, approximately mm. in length. From the medial side of the thickened base a very slender, sclerotized tendon extends posteriorly, providing an. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Harvard University. Museum of Comparative Zoology. Cambridge, Mass. : The Museum
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Keywords: ., bookauthorharvarduniversity, bookcentury1900, booksubjectzoology
