139 



Shell ovate, attenuate each way, solid, partly translucent, 

 white, clouded with very pale chesnut, polished ; whorls 6, 

 convex, regularly ribbed in the spire, ribs numerous, oblique, 

 shining ; interstices regularly and distantly striate, strise 

 broad, not passing over the ribs ; last whorl much longer 

 than the others, only obsoletely ribbed, but validly striate, 

 spire obtuse, apex depressed, aperture elongate, ovate, acute 

 each way ; labrum thickened, varicose, very pale yellow out- 

 side, sinus posterior, inconspicuous, coluniolla arcuate, attenu- 

 ate, anteriorly. Tamar Heads, E. M. Johnston. Obs. 

 A single specimen somewhat worn. Much the appearance of 

 a MargineUa seen from behind. 



Xo. 21. SiruoxALiA CASTAXEA. 11. s. S.t. parva, elowjato fusi- 

 formi, tur7-ita, Ifvvi, nitente, castanea saturata et obscure hadia zonata ; 

 anfr. 7, convexis, declivis, coiispicne costatis (ult. anfr. 7) costis 

 altis, latis, medio conrexis, Icevibus, inspir. contimiis lineis subobHqvAis ; 

 mtura impressa; apertura -J long, testae; labro simplici, canali 

 brevi obliqno, labio reflexo, columella antice cuHaliculata. Long. 11, 

 lat. 4. 



Shell small, elongately fusiform, turretted, smooth, shining, 

 saturated with chestnut colour, and obscurely zoued with 

 brown ; whorls 7, convex, sloping, conspicuously ribbed, ribs 

 7 in last whorl, high, broad, convex in the middle, smooth, 

 continuous in a sub-oblique line along the spire; suture im- 

 pressed ; aperture J length of shell ; labrum simple ; canal short 

 oblique ; lip reflected ; columella anteriorly canaliculate. N.VV, 

 Coast, W. F. Petterd. Smaller, and more turretted than any 

 of the four described Australian and Tasmanian species. 

 Color, a uniform deep chestnut, on which the zone of brown 

 is not easily seen. 



No. 22. Siphon ALIA pulchra n.s. S. parva, subpelluckla, 

 albida, nitente ; fusifonne-tnrrita ; anfr. 8 snpernc obtuse anr/idatis, 

 convexis, declivis, crebre eleganter costatis (costis ult. anfr. IS) inter- 

 stitiis cequantib. et regulariter liru clathratis ; liris parvis, validis ad 

 sntur. parviorib., supra, cost, transeuntib ; suturabene impressa et 

 linea castanea lata ornata ; apert. quam spira breviori, ovata ; lahro- 

 tenni, simplici; columella contorta ; basi con-cava, lirata, castanea; 

 camdi subelongato, antice fulvo tincto, apice subinjiato Icevi. Long. 7, 

 kt. 3^ mil. 



Shell small, subpellucid, whitish, shining, fusiformly tur- 

 retted; whorls 8, obtusely angular above, convex sloping, 

 closely and elegantly ribbed ; ribs in last whorl 18, equal- 

 ling the interstices, and regularly latticed with lirse, lirse small 

 valid, smaller at the sutures, passing over the ribs ; suture 

 well impressed, ornamented with a broad chestnut line ; 

 aperture shorter than the spire, ovate, outer lip thin, simple, 

 Cvjluiuella twisted ; base concave, lirate, chestnut ; canal 

 subelongate, anteriorly tinted fulvous brown, subinflated and 



