248 ABT. II. — A. IZUKA : 



distal region with 8 distinct annuli. Segments bi-annulated. 



Parapodium in anterior region of body short ; and that in 

 j)Osterior region long, with two equally long and conical-tipped 

 anterior ligulse, a similar postero- superior lignla and a very short 

 bluntly ending postero -inferior ligula. Gills filiform, dorsal in 

 position ; tliey are wanting on the first parapodium as well as 

 in the last 12 pairs of parapodia. Ventral cirrus with conical 

 tip ; dorsal cirrus knob-like and situated at base of parapodia. 



Proboscis large, club-sliaped, with slender papillae which are 

 obliquely cut off at end (fig. 9); basal wing-like prolongation of 

 jaws forming a triangular plate with a short process. 



Habitat: — Grulf of Aomori in Prov. Mutsu (!) ; Sagami Bay, 

 Suruga Bay and " North Japan," from depths of 31 — 75 fathoms 

 (" Albatross "). 



Glyccra robusta Ehlers. 

 PL XXIII, fig. 10. 



1868. Gljcera robusta, Ehlers. Die Borsten warmer, p. 656, Taf. XXIV, 



Fig. 3], 32. 



1903. Gljcera robusta, Moore. Proc. Acad. Nat. So. Pliilad., Vol. LV, 



p. 464. 



Body long and stout ; 250—280 segments ; length 370—420 

 mm. ; breadth about 5 mm. excluding parapodia at about the 

 anterior third of body. 



Prostomium short and conical ; the 4 tentacles simple and 

 very short. Segments bi-annulated. 



Parapodium short and blunt, with two depressed posterior 

 ligulae which are separated from each other by only a shallow 



