Annals of the South African Museum: Annale Van Die Suid-Afrikaanse Museum, Volume 108 |
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Page 109
The two species M. formosa and M. psammiferus differ in their appearance , but
have coiled stigmata at the top of the branchial folds , a second branchial fold that
is not reduced to a single vessel , no characteristic peduncle , and the tunic is ...
The two species M. formosa and M. psammiferus differ in their appearance , but
have coiled stigmata at the top of the branchial folds , a second branchial fold that
is not reduced to a single vessel , no characteristic peduncle , and the tunic is ...
Page 118
It makes undulations around the branchial folds and traces a dorsal ' V ' ( Fig .
56A ) . ... The branchial sac is made of ten complete folds on each side , to which
are added one ventral fold on the left and two on the right in the very anterior part
.
It makes undulations around the branchial folds and traces a dorsal ' V ' ( Fig .
56A ) . ... The branchial sac is made of ten complete folds on each side , to which
are added one ventral fold on the left and two on the right in the very anterior part
.
Page 123
3-4 secondary infundibula along the fold axis . At this level , the branchial
perforations are irregular with numerous exoinfundibula . Between the folds , the
stigmata are longitudinal . They are short , cut in pieces , and sometimes make ...
3-4 secondary infundibula along the fold axis . At this level , the branchial
perforations are irregular with numerous exoinfundibula . Between the folds , the
stigmata are longitudinal . They are short , cut in pieces , and sometimes make ...
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Contents
Introduction | 2 |
Other ascidians recorded in South Africa but not present in this collection | 127 |
Acknowledgements | 134 |
Copyright | |
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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