Annals of the South African Museum, Volume 32South African Museum, 1940 - Natual history |
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Page 306
... longitudinal musculature ends abruptly in about the middle of the collar ( figs . 14 and 15 ) . According to Punnett there is no layer of circular muscles outside the longitudinal musculature . This is usually the case in Enterop ...
... longitudinal musculature ends abruptly in about the middle of the collar ( figs . 14 and 15 ) . According to Punnett there is no layer of circular muscles outside the longitudinal musculature . This is usually the case in Enterop ...
Page 358
... longitudinal muscles , and inside them , at least in the anterior part of the collar , is the layer of the external circular musculature ( fig . 60 ) . Both layers , the longitudinal and the circular musculature , are well developed and ...
... longitudinal muscles , and inside them , at least in the anterior part of the collar , is the layer of the external circular musculature ( fig . 60 ) . Both layers , the longitudinal and the circular musculature , are well developed and ...
Page 359
South African Museum. like part . Here the internal longitudinal musculature forms a layer at least as thick as the external longitudinal and circular together . Usually in Enteropneusta the internal longitudinal muscle fibres stop at ...
South African Museum. like part . Here the internal longitudinal musculature forms a layer at least as thick as the external longitudinal and circular together . Usually in Enteropneusta the internal longitudinal muscle fibres stop at ...
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2nd joint 6th joint abdomen anal angle antennae anteriorly apex apical Attems Balanoglossus Barnard basal base blackish blind-sac branchial region Brnrd brown Burenia capensis carapace carina caudal cavity cells clypeus coelomic collar colour cross-veins dark diameter distal dorsal elongate epidermis fastigium femora fore-wing front genera genus gills glomerulus gnathopod gonopods head hind margin hind-wing hydrocephalus Imago inner K. H. B. and H. G. W. keel lateral lobes length longitudinal lower margin male mandibles maxilla Maxilliped maxillipedes narrow nymphs ocellus pale palp penis peraeon segment peraeopods plate pleon pleon segment pleopods pores posterior medians proboscis pronotum Pterostigma ridge rounded Selenops setae short side Side-plates slender slightly South African Museum species specimens spines Stebb stephensoni sternite stomochord stripe strongly subequal Superior appendages surface teeth telson tergite tibiae transverse tubercles upper uropod ventral Vulva width