Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum . r a v 10 mm Fig. 15. Ochetostoma kempi. Dorsal dissection of the trunk, showing the anal vesicles. Gonoducts. Gonoducts four pairs, first pair presetal (Fig. 16A). Arrange-ment of gonoducts asymmetrical; right presetal gonoduct slightly anterior tocorresponding one on left. Second and third pairs on both sides located very closeto each other, with second pair anterolateral in position to third pair. First andsecond pairs of gonoducts small, more or less oval while fourth pair elongate,tubular and largest of all (Fig.
Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum . r a v 10 mm Fig. 15. Ochetostoma kempi. Dorsal dissection of the trunk, showing the anal vesicles. Gonoducts. Gonoducts four pairs, first pair presetal (Fig. 16A). Arrange-ment of gonoducts asymmetrical; right presetal gonoduct slightly anterior tocorresponding one on left. Second and third pairs on both sides located very closeto each other, with second pair anterolateral in position to third pair. First andsecond pairs of gonoducts small, more or less oval while fourth pair elongate,tubular and largest of all (Fig. 16A). Gonostomal lips small, spirally coiled,opening into base of gonoduct. Blood system. Ring sinus at end of foregut is an incomplete vascular ring(Fig. 16B). Paired neuro-intestinal vessels unite prior to opening into ventral ECHIURA FROM SOUTHERN AFRICA 59. n c 10 mm
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectnaturalhistory, booky
