CRYPTOSriHA. 31 



tint and in having a thickened lip-margin, and in the second 

 plication being more unlike the lower one. 



M. TRiciNCTA, Hinds. PI. 9, figs. 71, 72. 



Ash-color, ver^' obscurely triple-banded with chestnut. 



Length, '9 inch. 



Straits of Macassar, coarse saud, at 11 fathoms (Belcher). 



The bands are usuall,y more visible within the aperture, being 

 almost or entirel}^ obscured by the gra}' callous coating, M. im- 

 mersa, Reeve (fig, 72), is a synon3'ni. 



M. Traillii, Reeve, PI. 9, fig. 73. 



Yellowish white, lip thicldy reflected, columella five-plaited.. 



Length, '55 inch. 



Malacca. 



Dr. WeinkauflJ" thinks this is probably the young of 31. Loeb- 

 heckeana (= elegans), but it seems to be much more cylindrical 

 than that species. It is in the Cumingian collection. 



M. SEXPLiCATA, Dunker. PL 9, fig. 74. 



Grayish, inconspicuously longitudinally strigate, columella 



six-plaited. Length, '5 inch. 



Japan. 



Described by Sowb. in 1870 as 31. ohtiim, a specific name pre- 

 occupied by himself in 1846, and therefore changed to .sexpli- 

 cata b}' Dunker in 1871, and to grisea by Jousseaume in 1875. 



M. Odoricyi, Bernardi. PI. 9, fig. 75. 



White, with broad yellow bands, which are longitudinally 

 strigate with orange-brown ; interior of aperture orange. 



Length, 18 mill. 



Habitat unknoicn. 



Described from a single specimen in a woini condition. 



M. Bernardii, Largill. PI. 9, fig. 76. 



Fulvous ash, longitudinally streaked Avith grayish brown ; 



columella six-plaited. Length, 20 mill. 



China Sea. 

 M. OLIVELLA, Reeve. PI. 9, figs. 77, 83. 



Inflated above, glassy white ; columella four- to fiA^e-plaited. 



Length, 10 mill. 



N. S. Walts, Australia. 



