42 
latd; aperturd labiis cancell atis ; cancellis transversim stri- 
atis. 
Hab. in insulis Philippinis. 
Shell white, cancellated, with elevated, decussating transverse and 
longitudinal lines ; aperture with the lips cancellated ; cancelli trans¬ 
versely striated. 
Hab. Baszay, island of Samar, 6 fathoms, coral sand; H. C. 
(Mus. Cuming.) 
Cyclostrema cancellata, Marry at, Trans. Linn. Soc. 1818, vol. xii. 
p. 338. 
Cyclostrema nivea, Chemnitz. C. testd orbiculari , nivea, pel- 
lucidd; spird depressd , anfractibus transversim costellatis, cos- 
tellis reyularibus, superis distantioribus ; interstitiis leviter con- 
cavis ; suturis profundis subcanaliculatis ; labro simplici; um- 
bilico peramplo. 
Hab. in maribus Occidentalibus. 
Shell orbicular, snowy white, transparent; spire depressed, whorls 
transversely ribbed, ribs regular, the upper fewer and wider apart; 
interstices slightly concave; sutures deep, slightly channeled ; lip 
simple ; umbilicus very large. 
Hab. Seas of India. (Mus. Cuming.) 
Turbo niveus, Chemnitz, Conch. Cab. vol. x. pi. 165. f. 158/ and 
1588. Delphinula nivea, Reeve. Delphinula lsevis, Kiener. 
Cyclostrema Reeviana, Hinds. C. testd orbiculari, subdis- 
coided , muticd ; spird depressiusculd, anfractibus convexis, lon- 
gitudinaliter carinulatis , carinulis numerosis , superis distanti¬ 
oribus ; interstitiis liris obliqiiis corrugato-clathratis; labro 
simplici ; umbilico peramplo. 
Hab. -? 
Shell orbicular, somewhat discoid; spire rather depressed, longi¬ 
tudinally keeled, keels numerous, upper ones wider apart; interstices 
latticed in a wrinkled manner, with oblique ridges ; inner lip simple ; 
umbilicus very large. 
Hab. Straits of Malacca, 17 fathoms. (Mus. Cuming.) 
Delphinula Reeviana, Hinds, Proc. Zool. Soc. 1843. 
Cyclostrema Cobijensis, Reeve. C. testd turbinatd, minutd, 
anfractibus convexis, carinulis transversis et longitudinalibus 
cequidistantibus regulariter clathratis; umbilico mediocri; labro 
simplici. 
Hab. Cobija, Peru. 
Shell turbinated, very small; whorls convex, regularly latticed, with 
equidistant, transverse and longitudinal ribs; umbilicus moderate; 
lips simple. 
Hab. Port of Cobija, Peru, under stones in rocky places, low water; 
H. C. (Mus. Cuming.) 
Delphinula Cobijensis, Reeve, Proc. Zool. Soc. 1843. 
Cyclostrema spirula, Adams. C. testa orbiculari, discoided , 
evolutd; spird depresso-concavd , anfractibus rotundatis , primis 
