410 



PART II. SYSTEMATIC ACCOUNT 



Fig. B162. Galathealinum brachiosum: fore-part of the body, A - from the ventral and, В - from 

 the dorsal side. 



bt - base of the tentacular crown ; с - cephalic lobe ; со - dorsal ciliated band ; f- bridle ; / - lateral 

 glandular ribbon ; m - mesosoma ; mts - metasoma ; p - plaques ; pa - adhesive papillae ; ps - pro- 

 tosoma; s 1 - groove between the protosoma and mesosoma; sv - ventral sulcus; / - tentacle. 

 (After Ivanov,1961c.) 



