108 AKT. II. — A. IZUKA : 



Maxillary forceps are somewhat longer than theh posterior 

 processes. The great right and left dental plates have each G 

 teeth. The left unpaired dental plate with 7 teeth ; the paired 

 lateral plates with 12 teetli on tlie right, and 4 large teeth on the 

 left. An accessory plate on each side. The mandibular plates 

 long, each with rather distinct parallel lines below the cutting 

 edge which sliow^s two shallow notches. 



Habitat : Misaki (!) ; eastern sliore of Yenoshima, Prov. 

 Saga mi (Dr. Koeebl.). 



Genus Favanorthia Moore. 



This genus differs from Onaphis {Northia Johnston) in having 

 the two anterior pairs of parapodia prolonged and directed forward 

 on the ventral side of prostomiiim, their bristles being coarse 

 acicula like those of Onuplils. 



ParanortJild brevicornuta Moore. 



1903. Parauoi'tliia brevicornuta, Moore. Proe. Acad. Nat. 8c. Pliilad. 

 Vol. LV., p. 448 ; PI. XXV, figs. 52—56. 



In the absence of my own observations on this species, here 

 is given an extract from Mooee's original description. 



Prostomium nearly round, eyes absent ; tentacles all in the 

 anterior half of prostomium. Anterior tentacles globoid ; pos- 

 terior tentacles with ceratophore. 



The first two pairs of parapodia are enlarged and bent 

 forward beneath the prostomium as in lihamphobracJiium"-'', while 

 the third pair is not similarly modified as in that genus. The 

 first reaches the level of the anterior margin of prostomium, and 



Memoirs of the Muscuiu of Comp. Zoul. Harv. Cull. Vol. XA'., p. 7U. 



