152 CHRYSAME. 



the typical sculpture a white variety of these has been distrib- 

 uted by the late Mr. Pease as a new species, M. reticulata (fig. 

 304) = M. cretacea, Sowb. (fig. 306). Mr. Reeve has called a 

 slightly shouldered specimen M. suturata (fig. 305), and M. 

 Recluz has figured and described a faded specimen as M. 

 Grelloisi (fig. 307). 



M. NASSOIDES, Sowb. PI. 45, fig. 308. 



Shell yellowish white, reticulately sculptured. 



Length, 1*5 inches. 



Mauritius. 



A stouter shell than the typical M. pellis-serpentis ; yet it may 

 be only a well-grown state of that species. 



M. SEROTINA, A. Ad. PL 45, fig. 309. 



Yellowish, with two obscure darker bands ; surface reticulated. 



Length, '9 inch. 



Marquesas (Adams) ; Mauritius (Sowerby). 



M. DEALBATA, A. Ad. PI. 45, fig. 311. 



White ; whorls planulate, distantly sulcate spiralty, sulci 

 evanescent in the middle of the body-whorl. Length, 1-2 inches. 



Habitat unknown. 



M. SEMIFERRUGINEA, Jonas. PI. 45, fig. 310. 



Whorls encircled by narrow, granulated ridges, interstices 

 punctured ; yellowish, upper part of body with longitudinal 



chestnut flames. Length, '8 inch. 



Habitat unknown. 



Described thirty-five years ago from a single immature speci- 

 men in the Royal Cabinet at Copenhagen ; it remains uncon- 

 firmed by additional specimens. 



Unfigured Species. 



M. CINGULATA, Phil. (Related to M. peregra, Rve.) 



Hob. unknown. 



M. P^TELI, Dohrn (Related to M. nanus, Reeve.) N. Africa? 

 M. PROPINQUA, Garrett. Society Islands. 



M. PUSTLLA, King. Habitat unknown. 



