EliliANÏIATE rOLYCHAETA OF JAPAN. 5 



then down southwards again from the Kurilcs along the Pacific 

 coasts of Hokkaido, Honshiu, Sliikoku and Kyushiu, 



A few observations on tlie facts embodied in the table will 

 here be in place. 



1). (rbjccra capitata, Nereis cl i/amusi £iiiä N. ezoensls are limited 

 to tlie north of Oga peninsula on the Japan Sea side, while 

 Laetmatonice japonica and Nereis oxjjpoda do not extend farther 

 north than the same peninsula. 



2). Chloela Jiava occurs on both the Japan Sea and the 

 Pacific Ocean side, but does not extend northward beyond Oga 

 peninsula and Kinkwasan Island ; on the other hand it extends 

 as far south as the Philippines and Indian Ocean. 



o). Nereis pelagica, N. ezoensis and Ilarmothoë yendoi occur 

 along the Pacific coast of the Hokkaido and of the Kuriles. With 

 the exception of the ürst, they do not come down south beyond 

 Kinkwasan Island. 



4). Nereis japonica is found in Sakhalin in the north, and 

 extends southward down to Sliima, occurring in all the inter- 

 mediate pi'ovinces. It is j^resent in the Inland Sea also. 



')). Harmolho'c Imhrlcata is very widely distributed, occurring 

 in all tlie coastal regions of Japan, from Sakhalin and Kuriles in 

 the nortli to Chikuzen and Satsiima in the southernmost parts of 

 Kyusliju, Polijnor (j'/nuioiKila has also a wide distribution, being 

 known from Sakhalin in tlie north to as far south as Shikoku. 



G). Polynoe rexUlarla, P. clava, AphrocUta australis, Gylcera 

 lesselata. Nereis Dunicrilil, N. cijUndraia, N. cult r If era, Ceratocephale 

 osaical, Nereis nilc/odonid, I'Ainlcc kohicnsis, Diopalra surjolal, lùi- 

 mlda caeca ;iii(l Carohia raslaiiea are limited to the Pacific Ocean 

 side. Amoiigsl lliciii, Polynoe re.vlllnria extends northward beyond 

 Kinkwasan Islainl, wMK' ;dl the others are not known to occur 



