LITTORINIDJJ. 171 



Labelled "0. spiralis, A. Adams"; it cannot possibly be G. 

 spirata, but agrees fairly with the description of (7. glohosa. 



Long. 1, diam. 1 mil. 



2. [?] Cithna, sp. 



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

 Labelled " Cithna omjjliahtropis, A. Ad." A very doubtful 

 little form. Perhaps a Bissoid, 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 consolrina, A. Ad." Probably a Bissoid ? 



Grenus ISAPIS, K. and A. Adams. 

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



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

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

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

 as also belonging to this section. 



Genus EOS SARIN A, Adams and Angas. 

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



1. Fossarina variegata. 



Fossarina Variegata, A. Adams (ubi?). 



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). 



