204 



PART II. SYSTEMATIC ACCOUNT 



Fig. 106. Siboglinum vinculatum: A - front part of the body of a male in ventral view; В - the same 

 of a female in dorsal view; С - the same in ventral view; D - part of the tentacle; E - two pinnules; 

 F-zont of thickened papillae from the ventral side; G - cuticular plaques from the zone of 

 thickening; H - the region of the girdles in ventral view; /- the same from the dorsal side; 

 Jf- part of a girdle; K- anterior part of the tube; L - a more posterior part of the tube. 



