. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. SOUTH AFRICAN ASCIDIANS 85. Fig. 42. Distomus antiborealis sp. nov. A. Zooid with reversed gut. C. Young ovaries. D. Young testes. B. Gut. The most dorsal vessel on the right fold and the three vessels of the first left fold disappear in the median part of the branchial sac. There is a large space between the dorsal lamina and the first vessel, containing up to 16 stigmata on the right side. There are 7-9 stigmata in a mesh between the folds and two on the folds. The 14 rows of long stigmata are cros


. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. SOUTH AFRICAN ASCIDIANS 85. Fig. 42. Distomus antiborealis sp. nov. A. Zooid with reversed gut. C. Young ovaries. D. Young testes. B. Gut. The most dorsal vessel on the right fold and the three vessels of the first left fold disappear in the median part of the branchial sac. There is a large space between the dorsal lamina and the first vessel, containing up to 16 stigmata on the right side. There are 7-9 stigmata in a mesh between the folds and two on the folds. The 14 rows of long stigmata are crossed by parastigmatic vessels only in the ventral part. The oval stomach has a hook-like caecum and about 20 oblique grooves, most of them ending at the ventral axis of the stomach (Fig. 42A, B). The intestine is short. The rectum ends in a smooth-edged anus far from the cloacal 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