Fossils from the Upper Musashino of Kaziisa and Shiuiosa. 



15 



279. Thraeia trausmontana 

 Yok. 



230. Thraeia sematana Yok. 

 Family Poromijidae. 



231. Pororuya flexuosa Yok. 



Familij Mytilidcwm 

 282. Modiola barbata L. 



283. Modiola modiolus L. 



284. Lithophaga zitteliana 

 Dkr. 



285. Crenella divaricata Yok. 



Famihj Anoii.tidae. 



286. Anouiia nipponensis Yok. 



287. Auomia lunula Yok. 



288. Auomia sematana Yok. 



Famihi Liviidae. 



289. Tjima anyiulata Sow. 



290. Lima subauriculata 

 Mont. 



291. Lima quantoensis Yok. 



292. Lima vulgatula Yok. 



Family Spoiidylidae. 



293. Spondylus cruentus Lke. 



294. Plicitula cuneata Dkr. 



Faimlj Pectinidac. 



295. Pecten squaoiatus Grm. 



29(1. Pecten Isetus Gould. 



297. Pecten subplicatus Sow. 



298. Pecten crassioostatus 

 Sow. 



299. Pecten vesiculosus Dkr. 



LIVING 



Central Japan. 



Northern to Western Japan. 

 Mediterranean Sea. (Fossil in 

 English Crag). 



Northern to "Western Japan. 

 North Atlantic. (Pliocene of 

 Europe). 



Western Japan. 

 Central Japan. 



Northern, Central and Western 

 Japan. 



+ Northern and Central Japan. 

 Philippines, Panama, New 

 South Wales. 



+ + + 



Greenland to Mediterranean 

 Sea. (Fossil in Miocene and 

 Pliocene of Europe.) 



+ + Central .Japan. 



Central and Western .Japan. 

 Central and AVestern Japan. 



+ 1 Central and Western .Japan. 

 Philipijints. 



+ + Northern, Central and Western 

 Japan. 



AYestern Japan, Philipjnue?, 

 Moluccas. 



+ + Central to Southern .Japan, 

 -i- + ' Central Japan. 



