. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. FURTHER DESCRIPTIONS OF SOUTH AFRICAN ASCIDIANS 205 When the test is removed the body is seen to be elliptical or almost round in outline, and the tubular siphons close together (fig. 42 A, B). Each of the 6 oral lobes and the 4 atrial lobes has a series of narrow projecting teeth forming a fringe round the openings. The body wall in the preserved state is pale brown but is sufficiently transparent to allow the gut and gonads to be seen. Muscles are mainly confined to the siphons, where circular and
. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. FURTHER DESCRIPTIONS OF SOUTH AFRICAN ASCIDIANS 205 When the test is removed the body is seen to be elliptical or almost round in outline, and the tubular siphons close together (fig. 42 A, B). Each of the 6 oral lobes and the 4 atrial lobes has a series of narrow projecting teeth forming a fringe round the openings. The body wall in the preserved state is pale brown but is sufficiently transparent to allow the gut and gonads to be seen. Muscles are mainly confined to the siphons, where circular and longitudinal ones exist, and to the dorsal half of the body which has one set of longitudinal muscles radiating from the base of each siphon. The oral tentacles generally number about 18 and are of alternating sizes. They are tri-pinnate, but are not particularly bulky (fig. 42 C). The dorsal tubercle is small, with a C-shaped or V-shaped opening. The C-shaped slit is more common and usually faces to the right (fig. 42 D).. Fig. 42. Molgula cryptica sp. n. A, B, specimens with test removed, seen from the right and left respectively; C, oral tentacle; D, dorsal tubercle; E, branchial fold in transverse section to show the three longitudinal bars (in black); F, 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
