CHRY8AME. 151 



Possibly identical with the next species. The locality needs 

 confirmation. 



M. CRENATA, Swainson. PI. 44, lig. 295. 



Yellowish brown, encircled throughout with rather distant, 

 slightly elevated lines. Length, "75 inch. 



Bay of Xipixapi, W. Columbia ; sandy mud at six fathoms. 



M. LiENARDi, Souverb. PI. 44, fig. 296. 



Whitish, longitudinally flamed with light chestnut. 



Length, -8 inch. 



Neio Caledonia. 



A mnch narrower shell than those which precede it. 

 M. Willi AMSi, Newcomb. PI. 44, fig. 297. 



Whitish, with longitudinal orange flammules ; finely longitu- 

 dinally striate between the revolving ribs. Length, "6 incli. 



? Philippine Islands. 



Described from a unique specimen. 



M. LUCTUOSA, A. Ad. PL 44, fig. 298. 



Brownish, with a white band near the suture ; whorls flattened, 

 with revolving lirse, the interstices clathrately punctate. 



China Seas. 



An obscure species, collected by the Samarang expedition 

 many years ago. 



M. RUTiLA, A. Ad. PL 44, fig. 299. 



Orange-red, sparsely maculated with white, a white band, 

 spotted with orange next the suture. Length, 1'5 inches. 



Habitat unknown. 



M. PELLis-SERPENTis, Rcevc. PL 44, fig. 300 ; PL 45, figs. 303- 

 307,314; PL 58, fig. 690. 

 Yellowish brown ; surface decussated by longitudinal and 

 revolving ribs. Length, '9-1 '25 inches. 



Philippines, Mauritius, Polynesia. 



Specimens in which the revolving ribs are most prominent, 



but cut into obtuse granules by the rugose growth-lines, have been 



called M. granata, Reeve i^fig. 690). M. hrumalis, Reeve (fig. 



314), and M. microstoma^ Sowb. (fig. 303), are narrow forms, with 



