434 MORPHOLOGY OF THE ABDOMEN IN THE ODONATA 



od = oviduct. 



ov = ovary. 



pdv = posterior dorso-ventral muscle. 



pn = pleuron. 



pis = primary longitudinal sternal muscle. 



plsthabd = posterior part sternal thoracico-abdominal muscles. 



pit = primary longitudinal tergal muscle. 



PP — posterior processes of sternum. 



qls = quaternary longitudinal sternal muscle. 



qlt = quaternary longitudinal tergal muscle. 



qnlt = quinary longitudinal tergal muscle. 



rt= rectum. 



8p = spiracle. 



sis = secondary longitudinal sternal muscle. 



sit = secondary longitvidinal tergal muscle. 



spls = sterno pleural suture. 



sps = sperm sac. 



st = sternum. 



str = subintestinal transverse muscle. 



suit = superior longitudinal tergal muscle. 



svta = sub-median ventral thoracico-abdominal muscles. 



sxlt = sextic longitudinal tergal muscle. 



t = testes. 



tg = tergum. 



tgln 1 = first thoracic ganglion. 



tgln 2 = second thoracic ganglion. 



tls = tertiary longitudinal sternal muscle. 



tit = tertiary longitudinal tergal muscle. 



tp=tergo-pleural muscles. 



tpls = tergo-pleural suture . 



tr car = transverse carina. 



trs = transverse sternal muscle. 



ts = tergo-sternal muscles. 



tsg = tergo-sternal genitals. 



vab = (median) ventral thoracico-abdominal muscle. 



vad = ventral adductor muscles of lateral appendages. 



vdrt = ventral dilator muscles of the rectum. 



vds = vas deferens. 



ves = vestibule. 



vra = ventral retractor muscles of the anus. 



vs = visceral sheath. 



vsta = ventral sternal thoracico-abdominal muscle. 



vstr = visceral tracheal trunk. 



vtr = ventral tracheal trunk. 



