Zoological Society. 57 



aperture narrow, much curved at the posterior third of its length, 

 the other two-thirds nearly straight; teeth white, distinct, even, 

 about twenty-seven on the outer side, extending but slightly over 

 the lip ; on the columellar side about twenty-four, broader at the 

 anterior end, while along the continued edge of the aperture to its 

 posterior extremity are mere indications of teeth; columellar sulcus 

 deep and broad, not extending beyond the more prominent teeth ; 

 base broad and flat, its entire circumference of an uniform dark, 

 reddish-brown colour, or spots of a similar colour, the colour lessen- 

 ing in intensity towards the middle portion of the base, which is 

 white, as is also the interior of the shell ; margins project, especially 

 that of the lip : extremities produced, the posterior forming sharp or 

 thin edges, and extending much upwards ; that on the columellar side 

 terminating at the apex of the spire ; the anterior extremities also 

 thin, and the channel upright. 



I have seen this shell only in the adult state. It has no general 

 characteristic in common with any known species ; the extremities 

 however have much similitude to Cypraa Scottii ; but it is a much 

 shorter, more gibbous, heavier and thicker shell. 



Long, 2j^- inches ; high, 1 T 5 ^- ; wide, 2. 



Hab. ? 



Cabinets of British Museum, Saul, Cuming, &c. 



2. CyprjEa margin ata (Broad- margined Cowrie). Cyp.testd ovatd, 

 antice subacuminatd, postice et mediane valde gibbosd ; colore floris 

 lactis, maculis fulvis, paucis irregulariter sparsis ; basi valde 

 pland et latd ; marginibus externis mediane fulvo-brunneo punctatis, 

 punctis discretis ; aperturd laid, subspirali ; columelld postice gib- 

 bosd, sulco purvo antico ; dentibus lateris columellaris circa viginti, 

 late distinctis ; lateris externi cequalibus paululum extensis, antice 

 minoribus, circa viginti-novem ; extremitatibus , posticd productd, 

 pland, canalem latam sursum formante , anticd minus productd, con- 

 vergente, canalem brevem sursum formante ; spird valde conspicud ; 

 marginibus planis, tenuibus, valde extensis. 

 Shell ovate, anterior end rather pointed, the posterior and middle 

 very gibbous ; of a cream- colour, a few fulvous spots are irregularly 

 scattered over the entire back and sides of the shell, apparently the 

 commencement of the deposition of colouring-matter ; base flat and 

 very broad, on the outer edges are discrete fulvous brown spots, the 

 rest of the base, the teeth, and the interior of the shell are of a clear 

 cream-colour ; aperture wide, spiral ; columella gibbous posteriorly, 

 a slight sulcus at the anterior end ; teeth form, on the columellar 

 side, a single angular serrated edge, about twenty in number, wide 

 apart and not very prominent ; on the other side they are more 

 regular and even, extending, slightly prominent, half across the lip ; 

 they are smaller and more perfect towards the anterior extremity, 

 and about twenty-nine in number ; the extremities are produced, flat, 

 form a broad channel, passing upwards at the posterior end of the 

 shell, and terminate at the outer side of the apex of the spire ; the 

 anterior extremities are much less produced, and converge, forming a 



