Annals of the South African Museum, Volume 32The Museum - Natural history |
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Page 341
posterior end of the rows are situated at some distance from each other , which distance increases towards the posterior end . This is not so in B. hydrocephalus ; all saccules over the whole extent of the region are closely applied to ...
posterior end of the rows are situated at some distance from each other , which distance increases towards the posterior end . This is not so in B. hydrocephalus ; all saccules over the whole extent of the region are closely applied to ...
Page 360
... posterior part of the collar that this fold attaches itself to the basal membrane of the epidermis , thereby forming a complete ventral mesentery . In the other specimen the vascular fold extends over a shorter distance and therefore ...
... posterior part of the collar that this fold attaches itself to the basal membrane of the epidermis , thereby forming a complete ventral mesentery . In the other specimen the vascular fold extends over a shorter distance and therefore ...
Page 370
... posterior end of the branchial region , where the pores are higher up at the medial side of the groove . This branchial groove comes to a sudden end ; it is even slightly prolonged at its caudal end as a small blind - sac , in which the ...
... posterior end of the branchial region , where the pores are higher up at the medial side of the groove . This branchial groove comes to a sudden end ; it is even slightly prolonged at its caudal end as a small blind - sac , in which the ...
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