Annals of the South African Museum, Volume 32The Museum - Natural history |
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Page 303
... stomochord is prolonged into a vermiform process ( fig . 5 ) , but in W. delagoensis this process is extremely short , being only 80 μ in extent . In W. bisulcata its length is about two- thirds of the length of the rest of the stomochord ...
... stomochord is prolonged into a vermiform process ( fig . 5 ) , but in W. delagoensis this process is extremely short , being only 80 μ in extent . In W. bisulcata its length is about two- thirds of the length of the rest of the stomochord ...
Page 321
... stomochord . A new lumen appears here which is connected with the main lumen of the body by a narrow canal ( fig ... stomochord except near its opening into the buccal cavity . The pericardium reaches as far anteriorly as the stomochord ...
... stomochord . A new lumen appears here which is connected with the main lumen of the body by a narrow canal ( fig ... stomochord except near its opening into the buccal cavity . The pericardium reaches as far anteriorly as the stomochord ...
Page 352
in the epithelium of this part of the stomochord occur many glandular cells of the same type as are found in the wall of the buccal cavity ( fig . 55 ) . In B. studiosorum the stomochord is different from that of B. hydro- cephalus ...
in the epithelium of this part of the stomochord occur many glandular cells of the same type as are found in the wall of the buccal cavity ( fig . 55 ) . In B. studiosorum the stomochord is different from that of B. hydro- cephalus ...
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