Annals of the South African Museum, Volume 32The Museum - Natural history |
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Page 303
... wall of the pericardium slightly forward so that in the sections the pericardium is visible at both sides of the blood - vessel . As in all Spengeliidae , the stomochord is prolonged into a vermiform process ( fig . 5 ) , but in W ...
... wall of the pericardium slightly forward so that in the sections the pericardium is visible at both sides of the blood - vessel . As in all Spengeliidae , the stomochord is prolonged into a vermiform process ( fig . 5 ) , but in W ...
Page 310
... wall of this canal being formed by the epithelium of the branchial sac ( fig . 17 ) . The dorsal or outer wall of the canal , which is slightly thinner than the side walls , shows a deep , inwardly directed fold . The two lateral walls ...
... wall of this canal being formed by the epithelium of the branchial sac ( fig . 17 ) . The dorsal or outer wall of the canal , which is slightly thinner than the side walls , shows a deep , inwardly directed fold . The two lateral walls ...
Page 367
... walls are thin and the dorso - lateral thick ( fig . 66 ) . In the ventral mid - line is a groove and here the wall is thicker than the ventro - lateral wall . This difference in thickness was especially clear in the small specimen ; in ...
... walls are thin and the dorso - lateral thick ( fig . 66 ) . In the ventral mid - line is a groove and here the wall is thicker than the ventro - lateral wall . This difference in thickness was especially clear in the small specimen ; in ...
Contents
Saccoglossus inhacensis Kapelus | 294 |
Glossobalanus alatus n | 316 |
Kapelus occurs in countless numbers on the muddy flats west of | 399 |
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1st antennae 2nd joint 6th joint apically Balanoglossus Barnard basal membrane Bay Prof blind-pouches blind-sac body branchial pore branchial region Brnrd buccal cavity canal caudal coelomic cavity collar convex Cross-section delagoensis distal dorso-lateral elongate epidermis epistome epithelium extending external longitudinal flagellum frontal lamina genital wings glandular cells glomerulus gnathopod gonads groove hind margin hydrocephalus inner ramus Isopoda joint of peraeopod keel Keurbooms River lateral length liver region lobe longitudinal musculature lumen Maxilliped median mid-line Monod muscle fibres narrow nerve cord nuclei outer ramus palp peduncle peraeon segment pericardium perihaemal cavities pharynx pleon segment pleopods Plettenberg Bay posterior end proboscis rami ramus of uropod ridge rostral point saccules Schellenberg septum setae Side-plates skeleton slightly species specimen spines Stebb Stebbing stomochord studiosorum surface T. A. Stephenson telson telsonic apex thick tubercles uropod Vanhöffen ventral mesentery ventral pharynx Zool