FOSSILS FROM TUE ENVIRONS OF TOKYO. 45 



Dji (rare). 



Living : Tokyo, Yokohama and Nagasaki. 



114. (URI < iR. RADrATA Dkr. 



PL III. Fio-s. 1 a, a', a" and b. 



PiriLippi, Abbild, and Besch. dc, I. 

 Synonym. — Psammobia amethystus Rvk. 



8hin;igavva (rare). 



Living specimens are found near Misaki (Sagami). 



115. MACOMA NASin^A Conrad. 

 PL III. Figs. 2 a and b. 



Brauns, GeoL Fnv. Tokio, ]i. 39. — Lis(;hke, Jaj). Meeres-Couch., XL, 

 p. 115. — Gould, Otia (Jonch., p. 188. — Middendorf, MaL Ross., 

 p. 61. — Middendorf, Sib. Reise., p. 256. — Ann. Mag. Nat. Hist., 

 III. 16. (1865).— Syst. Conch. Cab., X. 4, p. 229.— GeoL Surv. 

 California-Palœont. II. — Arnold, PaL and Str. Mar. Pliocene and 

 Pleistocene San Pedro (Mem. Cal. Acad. Sc, Vol. III., 1903). 



Synonym. — Tellina ter sa Gld.; T. dissimilis IMartens. 



<j|ji (abundant), Tabata (frequent), Shinagavva (rare). 



Upper Miocene — Foxins (California). 



Pliocene — San Fernando, Santa Kosa ; (California). 



Diluvium — San Pedro (California). 



Living : Hakodate, Echigo, Tokyo, Misaki (Sagami) Kamts- 

 chatka, Behring Sea, Sitcha, South Coast of Ochotsk-Bay, 

 Esquimalt Harbour, West Coast of North America from the 

 Northern limit (Vancouver, Oregon, Montery, S. Diego). 



PETRICOLID/E. 



116. SAXIJ)()M11S NUTTALl Conrad. 



Brauns, GeoL Env. Tokio, p. 40. — Schrenck, Moll. Amurl. and Nord- 

 Jap. Meeres, p. 253. — Lischke, Jap. Meeres-Conch. I., p. 127. — 



