20ß ART. n. — A. IZUKA : 



1905. Eiüalia viridis ( = E. virens, Ehlers and E. guttata Clap.), 

 Graeffe, Arbeit. Zool. Stat. Triest. XV, p. 325. 



1906. Enlalia viridis, de St. Joseph. Ann. Sc. Nat., 9« sér., T. HT, 

 p. 224. 



This is one of the commonest annelids in Misaki and 

 TÎcmities. Its main characters are as follows : 



Prostomium bluntly conical and pale greenish in colour ; eyes 

 two, black, occasionally with an additional speck occurring 

 externally to each eye. Tentacles subulate, slightly tapering. 

 First pair of tentacular cirri somewhat lanceolate, and attached 

 to the first segment on each side ; second and third pairs 

 longer and attached to the second segment ; fourth pair arising 

 from the third segment. 



Body linear, elongate (100 — ^120 mm.), arched dorsally and 

 flattened ventrally, slightly tapering anteriorly and more distinctly 

 so posteriorly, terminating behind with two lanceolate and some- 

 what darker anal cirri. Colour deep green or grass-green, paler 

 in the region of proboscis, and dorsally with two dark belts on each 

 segment. Ventral surface marked by a median moniliform line 

 of dark olive, posteriorly with a dark tinge on each parapodium. 



Proboscis in extrusion with twenty-two or twenty-three papillae 

 terminally. 



Dorsal cirrus lanceolate with tapering tip ; setigerous region 

 short ; bristles in two groups, the enlarged end of shaft minutely 

 spinous ; the terminal blade short, rapidly tapering, and with bold 

 serration on edge. Ventral cirrus ovate and slightly acuminate, 

 projecting a httle beyond tip of setigerous lobe. 



Habitat : — Jôgashima and Moroiso in Prov. Sagami (!). 



