SIBOGLINUM EKMANI 



187 



Fig. 98. Siboglinum ekmani: A - the body of an individual from the left side (hind part of the meta- 

 soma omitted); В - distal end of the tentacle sticking out of the tube; С - anterior part of tube; 

 D - hind part of tube. 



со - dorsal ciliated band;/- bridle; ms - mesosoma; mts - metasoma; pa - papillae of the meta- 

 meric part of the preannular region; pi - pinnules; ps - protosoma; t - tentacle. (After Jagersten, 

 1956, with modifications.) 



