104 RISSOTDJE. 



21. Rissoa algeriana. 



Rissoa Algeriana, Monterosato, J. de C., 1877, Algiers, pi III, Jiff. 5, " coll. 

 Joly." 



20 Algiers [typical] ; coll. P. Joly, Esq. 



var. rufula. 



R. Algeriana, var. rufula, Monterosato, I. c. 

 9 Algiers ; coll. Mons. Joly. 



22. Rissoa pusilla. 



Rissoa pusilla, PUlippi, Enum. Moll. Sicil. 1836 ; Jlde Schwartz, E. dolium, 

 Nyst, 1843. 



10 Algiers ; coll. P. Joly, Esq. 



23. Rissoa desmaresti. 



Rissoa desmaresti, Audouin, Descr. de VEgyp'e, pi. Ill, fig. 21, 1826. 



The outline figure of type, natural size, measures about 3 

 mil. 



var. minima. 



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

 Long. 1 mil. 



24. Rissoa auriscalpium. 



Turbo auriscalpium, Linnaeus, Syst. Nat. Ed. XII, 1757 / sect. Zippora. 



30 Algiers, &c., Mediterranean ; coll. Herr Schwartz von Mobrenstern, 

 and P. Joly, F. Stoliczka, and G. Nevill, Esqrs. 



25. Rissoa (?) rudis. 



Rissoa rudis, PUllippi, Enum. Moll. Sicil. I, 1836. 

 50 Algiers ; coll. P. Joly, Esq. 



Not included in Rissoa [restricted] by Schwartz, but con- 

 sidered an Alvania ? 



