130 RISSOIDA. 
1. Crossea [?] n. sp. 
1 Andamans; coll. J. Wood-Mason, Esq. 
2. Crossea [?] n. sp. 
1 Annesley Bay, Red Sea; coll. W. T. Blanford, Esq, 
A very lovely, small form. Can it possibly be the Corena 
tuberculifera, A. Adams, from Suez ? 
8. Crossea concinna. 
Crossea concinna, dngas, P. Z. S. Pt. Jackson. 
1 Loc.?; ex Mr. Damon [* coll. A. Adams ”’]. 
Alt. 23, diam. 33 mil. 
10 Pt. Jackson; coll. G. Nevill, Esq. 
4. Crossea bellula. 
Crossea bellula, 4. ddams, Ann, Mag. 1865, Gotto Isl.; Crosse, J. de C., 
1863, pl. IV, fig. 10. 
1 Japan; ex Mr. Damon [“ coll. A. Adams’’]. 
Alt. 13, diam. 13 mil. 
Genus ANABATHRON, Frauenfeld. 
Moll. Novara Exp., 1866, type A. contabulata, Fr. from Botany Bay. 
1. Anabathron contabulata, 
Anabathron contabulata, vox Frauenfeld, Novara Moll. 1866, Botany Bay. 
30 Botany Bay; coll. G. Nevill, Esq. [several vars.]. 
Genus SCALIOLA, A. Adams. 
Ann Mag. VI, 1860, type S. bella, A. Adams, as Sub-Gen. of Scala; emend., 
l.u., X, 1862, as Genus of Rissoida, 
1. Scaliola bella. 
Scaliola bella, A. Adams, Ann. Mag. VI, 1860, and X, 1862, Tabu-Sima? 
25 fths. 
Long. 3, diam. 1$ mil. 
1 Japan [typical]; ex Mr. Damon [“ coll. A. Adams}, 
