84 ART. 2. — S. ÏOKUNAGA. 



'•^ Turbo (jranulatus Gmel. — Enoshima, Nagasaki, Kii, Shiina, China 

 Sea, Nicobar. 



Tellina vulsella Ciiem. — Tokyo Bay, Kyushu, Zebu Is. in Philippines, 

 Amboina, Ceylon, E. Coast of Africa, Sechelisen. 



Tellina puleherrima Sow. — Tokyo Bay, Singapore, Banka Strait. 



Tellina rhomboïdes Q. and G. — Tokyo Bay, Philippines, Marianen, 



Tapes variegatus Hanley. — Tokyo, Nagasaki, Oki, Tsushima, Philip- 

 pines, Coast of New Holland. 



* Venus foliacea Chem. — Tokyo Bay, jMadagascar, Red Sea. 



Vcnerupis monstrosa Chem. — Tokyo Bay, Tsushima, Kino-Oshima, 

 Philippines, Nicobar. 



Xenophora pallidula Rve. — Tokyo Bay, Ceylon. 



(B) Arctic species : (13 sp.) 



* Cardium californiense Desh. — Tokyo, Hakodate, Nagasaki, Etrof, Cas- 

 tries Bay, West Coast of Sakhalin, Behring Sea, Sitcha, Vancouver 

 Is., Fueau Strait, Puget-Sound, Ochotsk Sea, Unalaciika, Fusca 

 Straight to Montery. 



Cardium grœnlandicum Chem. — Misaki, Arctic Seas of America, Asia 

 and Europa. 



'•^ Cijthcrca chincnsis Chem. — Sagami, Kii, Nagasaki, Plakodato, Kitan)i, 

 AVest and East Coast of Sakhalin, China, New Holland, Dui and 

 Ssa-Kato, Castries Bay, 



Hiatula nuttari Conrad. — Tokyo Bay, Hakodate, Etrof. 



''^ Mactra sulcataria Desh. — Tokyo, Nagasaki, Hakodate, North China, 

 Kurile Sea at the East Coast of Sakhalin, C/oast opposite Possjet Bay. 



''• Macoma nasuta Conkad.- — Tokyo, INIisaki, Hakodate, Kamtschatka, 

 Beliring Sea, Sitcha, South Coast of Ochotsk Bay, Esquimalt Harbour, 

 West Coast of North America from the northern limit to Vancouver, 

 Oregon, Montery, California. 



■'■^ Natiea clausa Dksh. — Tokyo, Banda in Awa(or Böshu), Chôshi, Hakodate, 

 Nemuro, Otaru, Sakhalin, Kamtschatka, Kadjak, Ochotsk Sea, 

 Schlanter Is., Kowajasemlja, Sitka, Melville Is., Vancouver, East- 

 port, Greenland, Atlantic Ocean southwards to INIassachusetts, Lap- 

 land, Portugal, Arctic Eui-ope. 



Placunanomia luacrosvhisma Desh. — Tokyo, Hakodate, Kamtscliaka, 

 Ochotsk. 



Pccten ijcssœnsis Jay. — Tokyo, Hakodate, Castries Bay, West Coast of 

 Sakhalin. 



