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EXPLANATION 



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P L A 1' K I 



Figure 1. BuLiMus cinctus, Nobis. 



Habitat, Calcutta. 



Remarks. — In the event of this shell not having been previously described, I 

 propose the above name for it, from the White Band with which the body whorl 

 is girt. For the possession of this rare Bnlimus I am indebted to B<frn W. 

 Bndd, M. D. of this City. 



Figure 2. 3. Turbo Rotelliforniis. Nobis. 



Habitat, South Seas. 



Remar.'cs. — This shell was brought into Boston during the last year, and ap- 

 pears to be undescribed; on the u])per surface it has every appearance of a 

 large Rotella, but underneath the hirge and deep Umbilicus shows that it does 

 not belong to that Genus. Should it prove to be new, a description of it will 

 appear in the Annals of the Lyceum of Natural History of this City. 



