96 mssoiDjj. 



15 Arakan and Bombay [3, l^^j] ; coll. Eev. S. B. Fairbank and 

 W. T. Blanford, Esq. 



The spire is often a trifle inclined to the right, and out of the 

 axis. 



6 Persian Gulf j ex c. Colonel G. B. Mainwaring. 

 subvar. deformis, nov. 



Spire notably bent away from the axis, somewhat forward and 

 to the left, as in many of the JEiolhiidoe. 



1 Mauritius ; coll. G. Nevill, Esq. 



var major, nov. 



3 Maui'itius [4i, If] ; coll. G. Nevill, Esq. 



var. depauperata, nov. 



4 Mauritius [2J, vix. 1) ; coll. G. Nevill, Esq. 



1 Singapore ; coll. Dr. F. Stoliczka. 



86, Rissoina miranda. 



Ris^oina miranda, A. Adams, Ann, Mag. VIII, 1861, Mino-Sima, 63F. ; 

 ? = B. insolita, Desk. 



I can detect no marked difference in this form from the pre- 

 ceding, except that the nodules are less rounded or pearl- 

 like. 



2 Hong-Kong ; coll. B. Hungerford, Esq. 



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



Long 3, diam. 1 mil. 



87. Rissoina bellardii. 



Rissoina bellardii, Issel, Mai. Mar Rosso, 1869— long. 2\, diam, % mil.— 

 subfossil ; ? R. insolita, Desh., var. 



Perhaps only a variety of the preceding, distinguished by 

 shorter and more convex spire, more tumid last whorl, &c. 



1 Jashk, Persian Gulf [If, f ] ; coll. W. T. Blanford, Esq. 

 4 Persian Gulf ; ex c. Colonel G. B. Mainwaring. 



var.? 

 1 Annesley Bay, Red Sea [2, ^] ; coll. W. T. Blanford, Esq. 



