RISSOIDJJ. 101 



30 England, &c j ex c. As. Soc. Bengal, Dr. F. Stoliczka and G. Nevill, 

 Esq. 



6. Bissoa lilacina. 



Rissoa lilacina, Recluz, Rev. Zool. Cuv. 1843, for Turbo violaceus, MuUfeld, 

 1824 [not R. violaceus, Desm. 1814] ; fide Jef. = R. violacea, Desm. 



18 N. W. France ; coll. Miss Beaufort. 



7. Bissoa lineolata. 



Rissoa lineolata, Michaud, Descr. Coq., 1832, Provence. 



4 Mediterranean ; ex c. Herr Schwartz von Mohrenstern. 



8. Bissoa membranacea. 



Turbo membranaceus, J. Adams, Linn. Trans. V, 1797 ; fide Jeffreys, vars. 

 minor, venusta, Phil, and elata, Phil. ; sect. Rissostomia. 



2 Mediterranean ; ex c. Herr Schwartz von Mohrenstern. 

 20 Wey mouth ; coll. G. Nevill, Esq. [9|, 3f ]. 



var. labiosa. 



Helix labiosa, Montagu, Test. Brit., 1803. 



18 N. W. France and Weymouth; coll. Miss Beaufort and G. Nevill, 



9. Bissoa grossa. 



Rissoa grossa, Michaud, Desc. Coq., 1832, Provence; =R. membranacea, fide 

 Jeffreys ; sect. Rissostomia. 



9 Algiers ; coll. P. Joly, Esq. 



10. Bissoa violacea. 



Rissoa violacea, Desmarest, Bull. Soc. Philom. 1814 ; vars. ecostata and 

 porifera, fide Jeffreys, also = R. guerini and lilacina, Reel. Sfc. 



12 Algiers ; coll. P. Joly, Esq. 

 6 Mediterranean ; ex c. Herr Schwartz von Mohrenstern. 



