ArpENDix. xxvn 



not in the least recurved ; the aperttire is long;er 

 than the spire, and is hrown within ; the outer lip 

 crenatod, and the pillar five-plaited. The «ground 

 colour of the shell is white, with four or five longi- 

 tudinal grey waved stripes, and transverse dotted 

 bands of pale yellow hetwccn the grooves. Length 

 nearly one inch. 



2096. MITRA LEUrOSTOlMA, Swainson. 



M. testa ovata, Uevi, cpiderniide olivacea, lincis fus- 

 cis, capillarihus, trans\ crsis cincta : apcrtura ef- 

 fusa alba. 

 Shell ovate, smooth, epidermis olive with transverse, 

 brown, capillary lines ; aperture etVuse, white. 

 Ohs. Size and shape of M. luguhris, Swains. 

 Length 1 ,\. Shell entir-cly smooth, white, but en- 

 tirely covered by a thin olive epidermis, which forms 

 a paler band adjoining the upper mai'gin of each 

 whorl: numerous, !<lcnd('r, and well defined brown 

 lines encircle botli tlic body whorl and spire, tiiese 

 lines are slightly indented, and, in some parts, ap- 

 pear as if minutely punctured. The base is without 

 grooves, tlie outer lip is smooth, and the aperture 

 pure white ; suture uneven ; pillar four-plaited ; 

 spire and aperture of equal length. 



2097. MITRA RUGOSA, Swainson. 



M. testa subfusiformij perforata, turrita, rugosa, de- 

 cussatini sulcata; anfractibus angulatis, anfractu 

 basali medio contracto ; basi subrccurva. 

 Shell subfusiform, perforated, turreted ; rough with 

 decussated grooves, whorls angulated, basal whorl 

 contracted in the middle, base sub-recurved. 

 06a-. The shape of this curicms species comes 

 nearest to that of M. coste/luris, but the spire is 

 longer in proportion, and the basal part less con- 

 tracted. The wh(de shell is rendered very rough by 



