95 



NERITINA Lam. 



ffi =? ji m 



Neritiiia ualaiieiisis Less. > $)fr(7) 

 Yayeyama (914). 



? (915). 



N. rangiaiia piiella Old. < 3 O h fr 



Ryu-kyu (3915). 

 ]V. olivacea Recluz. |r ^ bfr<D C /t) ? ^ 



Ogasawarajima (916). 

 N. crepicliilaria Lam. > /b < t>fr(D 



Echigo (917). 



Kanagawa (3916). 



Tokushima, Awa (918). 

 N- Sp. 5ffi^^^ 



Yayeyama (3917). 



Fam. CYCLOSTREMATIDAE. 



CYCLOSTREMA Marryatt. 



K JB 



Cyc'lostrema micans A. Ad. & $> ( 1)* 



Fukura, Awaji (3918), (3919) 

 ? (3920). 



. dimkeri Tryon. 5 -o* i S ^>C> (ir) 



C. ciiigulifera A. Ad. J> > 3 o' i |r 



Fukura, Awaji (3922). 



