MELVILL AND STANDEN : SHELLS FROM LIFU. 285 



apud suturas impress's, unangulatis, longitudinaliter costu- 

 latis, spiraliter liratis, junctura costarum minute gemmulatis, 

 ultimo anfractu transversim quadri- vel quinque- brunneo- 

 liueato, pemdtimo unilineato, apertura oblonga, siuu recto, 

 labrum effodiente, labro extits incrassato, intus minuHssime 

 denticulate, margine columellari recto, siuiplice. 



Long., 4*50 mill. Lot., 1/75 mill. 



A very delicate species, with beautiful gemmuled ribs, and 

 faint spiral linear brown banding. Of attenuate fusiform 

 shape, pale ochreous, impressed at the sutures, whorls six, 

 gradate, mouth oblong, sinus straight, deep. Outer lip incras- 

 sate, minutely denticled within, columellar margin straight, 

 plain. A few specimens. (ev<re\[ws, with good benches of 

 oars, from the beautifully gemmuled riblets). 



M. (Cythara) psalterium sp. nov. (PI. IX., fig. 23). 



M. testa aftenuato-fusiformi, perlcevi, graciii, anfractibus 

 septem (?), omnibus longitudinaliter obliqui-costatis, costis 

 Itzvibus, transversim ochraceo-zonatis apud medium, ultimo 

 anfractu in medio si/nut ac ad basim simili modo zonato, 

 intusque zonas bi vel tri vittato, aperlura oblonga, angusla, 

 labro extus paullum incrassato, intus hevi, columella simplice, 

 obscure denticulata. 



Long., 9' 10, Lat. 3 mill. 



A handsome smoothly ribbed shell, attenuately fusiform, 

 whorls probably seven, but only five appear on our broken 

 specimens, an ochraceous band appears in the middle of every 

 whorl, the last whorl two-banded, mouth oblong, narrow, outer 

 lip thickened, inner smooth. 



Slightly allied to l\f. vexillum Reeve, but not decussate. 

 M. gracilis Reeve, from the Philippines, is of the same shape, 

 and likewise banded in the same manner, but the revolving 

 striae are perfectly absent in M. psalterium. Very rare. 

 {Psalterium, a harpsichord). 



