132 RISSOID-^. 



2 Japan [typical]; ex Mr. Damon ["coll. A. Adams"]. 

 40 Singapore; coll. Dr. F. Stoliczka. 



10 Mauritius ; coll. G. Nevill, Esq. 



18 Andamans and Nicobars; coll. J. Wood -Mason, Esq., and Dr. F, 

 Stoliczka. 



3 Hongkong ; coll. R. Hungerford, Esq. 



7. Scaliola elata. 



Scaliola elata, Semper, Issel, Malac. Mar Mosso, 1869, Suez ; long. 2\, 

 diam. 1 mil., and Zanzibar [>Sewp.]. 



Seems to me doubtfully distinct from 8. arenosa ? 



5 Suez [typical] ; coll. Prof. A. Issel. 

 50 Annesley Bay; coll. W. T. Blanford, Esq. 



var. [?] 

 2 Aden ; coll. Dr. F. Stoliczka. 



8. Scaliola, n. sp. 



1 Nicobars ; coll. Dr. F. Stoliczka. 



[?] Gentjs MICROSTELMA, A. Adams. 



Ann, Mag. XI, 1863, type M. daedala, A. Ad., Gotto Isl. ; M. concinna, 

 A. Adams, I. c, VI, 1870, from Suez, fide Mc Andrews, a broken Sis- 



This and tlie two next Genera are not represented in the 

 Museum. 



[?] Gen[JS CORENA, a. Adams. 

 Ann. Mag. VI, p. 122, 1870, type C. tuberculifera, A. Ad.; from Suez. 



[?] Genus RISSOPSIS, Garrett. 



P. Acad. Philad. 1873, type E. typica, Garrett, from Viti and Samoa. 



