Annals of the South African Museum, Volume 32The Museum - Natural history |
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Page 304
... keel , but near the anterior end of the collar coelomic cavities the skeleton is constricted by these cavities , so that body and keel may be easily distinguished here ( fig . 7 ) . The keel has here a pair of wings dorso - laterally ...
... keel , but near the anterior end of the collar coelomic cavities the skeleton is constricted by these cavities , so that body and keel may be easily distinguished here ( fig . 7 ) . The keel has here a pair of wings dorso - laterally ...
Page 322
... keel , that the body appears as a real unit . The keel begins shortly behind the anterior end of the skeleton ( fig . 25 ) ; it is small at first but then suddenly increases in size and it extends over nearly the whole length of the ...
... keel , that the body appears as a real unit . The keel begins shortly behind the anterior end of the skeleton ( fig . 25 ) ; it is small at first but then suddenly increases in size and it extends over nearly the whole length of the ...
Page 355
... keel , otherwise an elongate structure , is very short ; it is hardly more than a point that protrudes considerably into the mouth - opening . The anterior surface of this keel is hollowed out and in this hollow is situated the caudal ...
... keel , otherwise an elongate structure , is very short ; it is hardly more than a point that protrudes considerably into the mouth - opening . The anterior surface of this keel is hollowed out and in this hollow is situated the caudal ...
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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Common terms and phrases
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