LITTORINIDJ3. 171 



Labelled " G. spiralis, A. Adams "; it cannot possibly be G. 

 spirata, but agrees fairly with, the description of C glolosa. 



Long. 1, diam. 1 mil. 



2. [?] Cithna, sp. 



1 Japan ; ex Mr. Damon (coll. A. Adams). 



Labelled " Cithna omphalotropis, A. Ad/' A very doubtful 

 little form. Perhaps a Rissoid, or Jeffrey sia ? 



3. [?] Cithna, sp. 



1 Japan ; ex Mr. Damon (coll. A. Adams). 



Labelled " Cithna sinensis, A. Ad." The same applies to 

 this ; it might also be a Styliferina ? 



4. [?] Cithna, sp. 



1 Japan ; ex Mr. Damon (coll. A. Adams). 

 Labelled " Cithna consobrina, A. Ad." Probably a Rissoid ? 



Grenus ISAPIS, H. and A. Adams. 

 Gen. Moll. 1, 1864, type Narica anomala, C. B. Adams {Jamaica). 



A. Adams has also described Isapis lirata [1860] and Isapis 

 conoidea [1863] from Japan, and considers Narica ovoidea, 

 Gould, and Isapis maculosa of Carpenter, both from Mazaltan, 

 as also belonging to this section. 



Genus FOSSABINA, Adams and Angas. 

 P. Zool. S. 1863, type F. patula, Adams and Angas. 



l. Fossarina variegata. 



Fossarina variegata, A. Adams (ubil). 



1 Japan (?) ; ex Mr. Damon (ex c. A. Adams). 



2. Fossarina patula. 



patula, A. Adams and . 

 stones." 



1 Australia (?) ; ex Mr. Damon (ex c. A. Adams). 



Fossarina patula, A. Adams and Angas, P. Zool. 8. 1863, Port Jackson, 

 " under stones." 



