. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. SOUTH AFRICAN ASCIDIANS 59 stigmata in the first and second half rows. The retractor muscle is absent. The abdomen is folded under the thorax. The gut loop is very narrow and contains a large, clear vesicle (Fig. 30B). The testis lies over the intestine and has two longitudinal lobes (Fig. 30B). The sperm duct is straight and enlarged at its start when the testis is fully developed. Some larvae were present in a pink colony collected at Port Elizabeth. The trunk is mm long and entirely covered w
. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. SOUTH AFRICAN ASCIDIANS 59 stigmata in the first and second half rows. The retractor muscle is absent. The abdomen is folded under the thorax. The gut loop is very narrow and contains a large, clear vesicle (Fig. 30B). The testis lies over the intestine and has two longitudinal lobes (Fig. 30B). The sperm duct is straight and enlarged at its start when the testis is fully developed. Some larvae were present in a pink colony collected at Port Elizabeth. The trunk is mm long and entirely covered with large pigment cells, which are dark brown in formalin. All larvae are immature and only have three adhesive papillae and an indication of four pairs of lateral ampullae. The spicules (Fig. 29F) are generally small, 20 ^tm in diameter, but there are a few larger ones up to 35 />im. They are balls made of numerous rays of parallel needles which are rather irregularly mm. 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
