. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. 300 Annals of the South African Museum. septum runs from the top of the stomochord to the epidermis in a ventro-caudal direction. Probably on account of this the ventral. Fig. 5.—Willeyia delagoensis n. sp. Cross-section of anterior part of the central organs of proboscis, x 55. au, auricle of pericardium, c, coelomic cavity, epd, epidermis, gl, glomerulus. Im, longitudinal musculature, m, dorso-ventral muscle fibres. nl, nerve-fibre layer, rm, ring musculature, st, stomochord. va, ventral proboscis
. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. 300 Annals of the South African Museum. septum runs from the top of the stomochord to the epidermis in a ventro-caudal direction. Probably on account of this the ventral. Fig. 5.—Willeyia delagoensis n. sp. Cross-section of anterior part of the central organs of proboscis, x 55. au, auricle of pericardium, c, coelomic cavity, epd, epidermis, gl, glomerulus. Im, longitudinal musculature, m, dorso-ventral muscle fibres. nl, nerve-fibre layer, rm, ring musculature, st, stomochord. va, ventral proboscis artery, vp, vermiform process, vs, ventral proboscis septum. proboscis artery is not found in the septum; it runs from the top of the stomochord freely through the coelom and directly to the epi- dermis in a ventral direction (fig. 5). According to Punnett this vessel, called by him the ventral recurrent vessel of the proboscis,. 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 South African Museum. Cape Town : The Museum
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectnaturalhistory, booky
