Fossils from the M iura Peninsula and its Immediate North. 23 



1. Admete viridula (Fabr.). — Habitat: Sakhalin; circum- 



boreal, 



2. Chrysodomus phœniceus Dali. — Habitat: British Colum- 

 bia. 



3. Triton oregonensis Redf. — Habitat: Northern Japan, 

 Alaska. Strait of Magellan. 



4. Pollinices pattidus Brod. et Sow. — Habitat: Okhotsk Sea: 

 circum polar. 



5. Odostomia Mlgendorffi dessin. — Habitat: Northern 

 Japan. 



G. Leptothyra amussitata Gould. — Habitat: Northern Japan, 

 Sakhalin. 



7. Margarita umbilicalis Brod. et Sow. — Habitat: Polar 

 Seas. 



8. Margarita cinerea Couth. — Habitat: Bebring Sea, North 

 Atlantic. 



9. Corbula vennsta Gould. — Habitat: Northern Japan. 



10. Tellina ojienskTok. — Habitat: Northern Japan. 



11. Tellina vestalioides Yok. — Habitat: Northern Japan. 

 VI. Macoma nipponica Tok. — Habitat: Northern Japan. 



13. Venericardia ferruginea Adams. — Habitat: Northern 

 Japan. 



14. Astarte hakodatensis Yok. — Habitat: Northern Japan. 



15. Pecten swiftii Bern. — Habitat: Northern Japan, Okhotsk 

 and Behring Seas. 



1 G. Pecten yessoensi* Jay. — Habitat : Northern Japan, Okhotsk 

 Sea. 



17. Pectuncidus yessoensis Sow. — Habitat: Northern Japan. 



18. Nucula insignis Adams. — Habitat: Northern Japan. 



11). Terebndella pulvinata Dall.— Habitat: Puget Sound 

 (Washington). 



Besides these northern forms, there are two which are now 

 known as deep-sea forms. They are Lima goliath Sm. living near 

 Central Japan, but at a depth of 400-750 fathoms and also in 

 Patagonia, and Leda ramsayi Sm. which has been found living 

 near New South Wales at a depth of 950 fathoms. 



