260 



PART II. SYSTEMATIC ACCOUNT 



IH 



D 



Fig. 129. Siboglinum taeniaphorum: A - zone of thickened papillae from the left side; В - girdles 

 and the beginning of the postannular region from the right side; С - part of a girdle; D - toothed 

 platelets. 



an - girdles ; da - front group of teeth ; dp - rear group of teeth ; g - glandular parts of the integu- 

 ment; pa 1 - three papillae of the zone of thickening; pa 2 - papillae lying in front of the girdles; 

 к - glandular dorsal shield; v - ventral papillae of the postannular region. 



