. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. PARSONS : NERVOUS SYSTEM OP GELASTOCORIS 151 individuals. In the present study, specimens of each type were examined, and the nerves to these flight muscles appeared to be equally fine regardless of the condition of the muscles. Nervi mesotlioracici secundus, tertius, et quartus arise together from the posterior ganglion (Fig. 1), their common base cor- responding to "nerve e" of Malouf (1933) and the "second. Fig. 12. Medial view of the left half of the mesothorax (same view as Fig. 11). and most
. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. PARSONS : NERVOUS SYSTEM OP GELASTOCORIS 151 individuals. In the present study, specimens of each type were examined, and the nerves to these flight muscles appeared to be equally fine regardless of the condition of the muscles. Nervi mesotlioracici secundus, tertius, et quartus arise together from the posterior ganglion (Fig. 1), their common base cor- responding to "nerve e" of Malouf (1933) and the "second. Fig. 12. Medial view of the left half of the mesothorax (same view as Fig. 11). and most of have been removed. Muscles 30, 32, 34, 35, and 40, and the insertion of Muscle 46, are omitted. mesothoracic nerve" of Johansson (1957). They separate at nearly the same point, nervus mesothoracicus quartus () branching off slightly before the other two. Nervus mesotho- racicus secundus () extends anterodorsally (Fig. 11) and bifurcates just medial to M. dorsoventralis primus (34). One branch runs posterodorsally to innervate one of the promoter muscles of the leg, M. noto-trochantinalis (40), while the other passes anteriorly to supply the pleural promotor muscle of the. 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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