114 RISSOIDJE. 



1. Penella rufocincta. 



Dunkeria rufocincta, A. Adams, Ann. Mag. Till, 1861, MososeJci, Tabane 

 and TaJcano-Sima; Suez, fide M'Andreio. 



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

 Long. 3|, diam. 1^- mil. 



2. Fenella rissoiformis. 



Chryssalida rissoifonnis, Issel, Malac. Mar Rosso, 1869, Suez; long. 2k, 

 diam. 1 mil. 



2 Massaua ; coll. Prof. A. Issel. 

 2 Audamans ; coll. G. Nevill, Esq. 



1 Roweiah, Red Sea; coll. J. B. Baxter, Esq. 



This last is a rather narrower form. 



3. Fenella cerithina. 



Eissoa cerithina, Philippi, Zeits. Mai., 1849, p. 34, Aden long, jff ; ? var. 

 ==F. scabra, A. Ad. 



50 Mauritius; coll. G. Nevill, Esq. [3f, 1]. 

 5 Suez; coll. Prof. A. Issel and J. B. Baxter, Esq. 

 8 Aden ; coll. Dr. F. Stoliczka and G. Nevill, Esq. 



2 Natal ; coll. G. Nevill, Esq. 



Herr Schwartz identified these Natal specimens as F. excur- 

 vata [ubi ?] ; Gould speaks of an Alvania excurvata, Cpr. 



10 Oman and Tawila [Persian Gulf] ; coll. W. T. Blanford, Esq. 



var. [ ? dist. sp.]. 

 26 Singapore; coll. Dr. F. Stoliczka. 



var. scabra. 



Dunkeria scabra, A. Adams, Ann. Mag. VI, 1860, p. 421, Tsu-sima, Anfr. 

 1, [" liris elevatis tribus"~\ ; Suez, fide Me Andrew. 



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

 Long. 2J, diam. 1 mil., the other rather larger. 



