LITTORINIDJ!. 171 



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

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



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 Bissoid, or Jeffreysia ? 



3. [?] Cithna, sp. 



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



Labelled " Cithia 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 " Githia consobrina, A. Ad." Probably a Bissoid ? 



Genus ISAPIS, K. and A. Adams. 

 Gen. Moll. I, 1864, type Nariea anomala, C. JB, Ad,ams {Jamaica). 



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

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

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

 as also belonging to this section. 



Genus FOSSARINA, Adams and Angas. 

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



1. Fossarina variegata. 



Fossarina "variegata, A. Adams (ubil). 



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



2. Fossarina patula. 



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

 " under stones." 



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



