12 Prostomium truncate posteriorly without an occipital papilla. 



Tentacular segments 1 and 2 fused; setae from second; 



formula: 1 + S-j-+ Sr^ . [Dorsal cirri cordate] 13 



12' Prostomium notched posteriorly with a minute occipital papilla. 

 Tentacular segments all separate though finst obscure dor- 

 sally; no .setae on any tentacular segment; 



formula: 1 + O-7-+ O^r 14 



1 N 



13 Body and dorsal cirri greenish yellow. Dorsal tentacular cirri 



of second and third segments questionably flattened in 



section P>^- (Ncrclplii/lluJfmyiliK 



13' Body and dorsal cirri red. All tentacular cirri rounded in 



section P^i- ((r< iilijllis) rastanea 



14 Ventral cirri long and tapered to points. Dorsum greenish 



brown in adults and barred with brown in juveniles PIi. (Aii<iiti(l( s) niKcosa 



14' Ventral cirri oval with abruptly pointed tips. Dorsum greenish 



blue Pli- (Amu't ides ) (irooilaudica 



15 Setigerous lobe pointed. "Neck" dusky. [Ventral cirri long, 



slender, and pointed] Ph. (Ana it ides) loiu/ipes 



15' Setigerous lobe blunt. "Neck" not dusky 16 



16 Ventral cirri long and tapered. Base of proboscis with numer- 



ous ])ai)illae 17 



16' Ventral cirri oval with blunt tips anteriorly, becoming abruptly 

 pointed posteriorly. Base of proboscis with six regular rows 

 of lateral papillae PI'- ( AiKtilidcs) niadrirciisi.s 



17 Dorsum green with dark intersegmental cross bars Ph. ( AHuilidis) arcuae 



17' Dorsum green with median dark stripe Ph. ( Aitnitidi s) pumnnciisis 



Liigia rarica Uschakov, 1958 



Figure liR-j 



Liiijia IV rial Uschakov, 1958: 204, P'ig. 1 A-(' 



Dcscyiptioii — Body vermiform. 18 mm long 

 by 1.5 mm wide for 84 segments. Eggs green; 

 dorsal cirri faintly red in alcohol. Prostomium 

 (Figure 8g) as broad as long, rounded in front, 

 with small lateral eyes but no occipital papilla. 

 Proboscis diffusely papillo.se. Tentacular seg- 

 ments well developed and separate. Tentacular 



formula 1 -I- S :rr + S — ■ , there being ten- 



N N 



tacular cirri on .segments 1 and 2 but none on 



3. V2 and V:i both lamellar but Vo larger than V.). 



Dorsal cirri of normal body segments (Figure 



8h) all oval l)ut slightly longer po.steriorly. Setig- 

 erous lobes blunt; ventral cirri similar to dor- 

 .sal ones but smaller. Setae (Figure 3i, j) with 

 long, almost smooth blades and denticulate 

 shaft-heads bearing a curved tooth on one side. 

 RtnnirkK. — Two specimens were obtained, 

 the larger being an ovigerous female. As com- 

 pared with Ushakov's original figures, the pro- 

 stomium is shorter and the second tentacular 

 cirrus (D-i) is shorter. Again Ushakov's Figure 

 1 C shows a seta with a more coarsely -ser- 

 rated blade and no tooth on the shaft-head. 

 However, this feature is only visible under oil- 

 immersion and the lack of a dorsal cirrus on 

 the third .segment is characteristic and im- 

 mediately seinxrates L. mrica from the type 

 species L. ptrropJiora (Ehlers). 



18 



