Annals of the South African Museum: Annale Van Die Suid-Afrikaanse Museum, Volume 108 |
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Page 18
It is generally short and may be much reduced when the testis vesicles regress and the ovary develops . In the male phase , there is a cluster of about 25 round testis vesicles that does not reach the heart .
It is generally short and may be much reduced when the testis vesicles regress and the ovary develops . In the male phase , there is a cluster of about 25 round testis vesicles that does not reach the heart .
Page 62
The testis ( Fig . 31C ) is ventral to the ovary and consists of elongated lobes that protrude just beyond the external edge of the gut . The wide sperm duct opens through a papilla adjacent to the anus . The oviduct extends to the ...
The testis ( Fig . 31C ) is ventral to the ovary and consists of elongated lobes that protrude just beyond the external edge of the gut . The wide sperm duct opens through a papilla adjacent to the anus . The oviduct extends to the ...
Page 81
The testis is fan - shaped . Botryllus arenaceus Monniot , C. , 1988 , from New Caledonia has lobes with a single system , a wide stomach with protruding folds at its anterior part , a caecum with an ampullae at the tip , and a mulberry ...
The testis is fan - shaped . Botryllus arenaceus Monniot , C. , 1988 , from New Caledonia has lobes with a single system , a wide stomach with protruding folds at its anterior part , a caecum with an ampullae at the tip , and a mulberry ...
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Common terms and phrases
abdomen apical apical margin ascidians bands basal base basitarsus body body wall branchial sac Cape Province cloacal coll collected colonies colour common covered dense described Description developed DIEGO disc distal distribution dorsal Durban extending farm Female folds foreleg forms front genus gonads gut loop hairs half Hartmeyer Head hind Holotype labrum larvae lateral legs length light brown lobes locality longitudinal Male material median Mesosoma Metasoma Michaelsen middle Millar Monniot Museum narrow nectar plants Nieuwoudtville numerous opens oral ovary papillae placenta plants posterior protruding pubescence punctures recorded Rediviva Remarks rows Scrophulariaceae scutum Sept shiny short side siphons slightly Sluiter South Africa species specimens spicules stigmata stomach straw-coloured structure surface tentacles testis thick thin thorax tibia tunic ventral vesicles vessels Western wide zooids