236 



ART. II. — A. IZUKA : 



Jaws black, forming a ring just caudad of a 

 circle of 18 obtuse lobes. Left principal jaw with 

 2 long hooked spines, while associated with the 

 right are 2 or 3 smaller spines. Dorsal interval 

 between tlie principal jaws with 14 accessory 

 jaws, each bearing 2 or 3 teeth; the ventral 

 interval more than twice the dorsal in length and 

 with 28 smaller jaws. liOngitudinal series of 

 accessory jaws absent ; proboscis papillœ mammil- 

 liform. 



Habitat: — Sagami Bay, 190 fathoms; North 

 of Sendai Bay, 62 fathoms (" Albatross "). 



Goniada distorta Moore. 



PL XXIII, fig. 7. 



1903. Goniada distorta, Moore. Proc. Acad. Nat. 

 Sc. Pliilad., Vol. LV, p. 461. 



Body slender and nearly round ; length 153 

 ^^ jy mm. ; maximum breadth, attained at about 60th 

 .1. Ventral bristle gegmeiit, iicarly 4 mm. including parapodia ; thence 



of G. foliacea. 



580/1. the breadth gradually diminishes towards posterior 



' same 580/1. body Olid. Numbcr of segments 220, of which 54 

 [After J. p. Moore] constitute thc aiitcrior region of body. 



Prostomium conical, elongate, with 7 annulations in addition 

 to basal ring, which constitutes nearly J of the length of 

 prostomium. Body segment distinct, showing no indication of 

 subdivision into rings. 



Typical anterior parapodium a compressed cylinder about as 

 high as long, with one posterior and two anterior cirriform lobes, 

 of which the dorsal anterior is the longest. Ventral cirrus conical. 



