MITRA. VOLUTA. 117 



M. STRiATULA. Sub-turretcd^ acute, fulvous, 

 finely striated transversely ; sutures rather obso- 

 lete ; pillar with five or six plaits, 1 J, but gene- 

 rally much less. E. 372. 6. 



VOLUTA. 



Shell oval, more or less ventricose ; summit obtuse 

 or mammillary, emarginate at base, and without 

 a canal ; columella plaited, the inferior folds 

 largest arid most oblique; no pillar-lip. 



V. ETHioPiCA. Obovate, ventricose, chestnut- 

 brown, sometimes with one or two brown bands ; 

 spire with numerous short depressed nearly straight 

 spines, which are continued on the body-whorl ; 

 pillar with four plaits. 4. W. 21. 175. 



V. MELO. Very ventricose ; the apex nar- 

 rowed, yellowish white, with about three rows of 

 thinly scattered brown spots ; spire unarmed, al- 

 most concealed ; pillar with four plaits. 6. W. 

 21. 185. 



V. CYMBiuM. Ovate, clouded and waved 

 with chestnut; suture deeply channelled; spire 

 of two very short obtuse volutions; inner lip 

 chestnut; plaits of the columella variable. 5|. 

 W. 21. 178. 



V, NEPTUNi. Obovate, ventricose, tumid, 

 brownish red, covered with a brown epidermis ; 

 in the adult the spire is concealed, and encircled 



