MITRA.— Plate XIX. 



blackish brown, nodules and granules white ; colu- 

 mella four-plaited, uppermost plate very large. 



Lamarck, Anim. sans vert., vol. vii. p. 318. 



Hah. Islands of Ticao and Luzon, Philippines (found on 

 the reefs at low water); Cuming. 

 There appears to be two distinct varieties of this ex- 



tn-meh interoting species, dili'erently coloured according 



to the examples here represented. 



Species 147. (Mus. Cuming.) 



Mitra rubritincta. Milr. testa oblongo-ovatd, crassins- 

 culd, acute acuminata, transversim undique sulcata ,- 

 alia, maculis grandibus aurantio-rubris supra iufraque 

 seriatim nebuloso-tinctd ; columella quadriplicatd; labro 

 crenulato. 



The red-stained Mitee. Shell oblong ovate, rather 

 thick, very sharply acuminated, transversely grooved 

 throughout ; white, stained in a clouded manner above 

 and below with large orange-red spots in rows; co- 

 lumella four-plaited; lip crenulated. 



Reeve, Pro. Zool. Soc, 1844. 



Hah. Island of Ticao, Philippines (found under stones at 

 low water) ; Cuming. 



The surface of this shell is characteristically grooved 

 throughout. 



Species 148. (Mus. Cuming.) 

 Mitra speciosa. Mitr. testa obeso-ovatd, utrinque a 

 ill a transversim impresso-striatd, longvtudinalite, 



/,//„/„ 



stellk pi tn, 



v/,v. I,„sr 



,/„/„ 



fitted out ,,„, 



purascente-fusca tmctu, apice rosacea ; columella quad- 

 riplicatd, plied superd valde maxima. 



The handsome Mitra. Shell stoutly ovale, attenuated 

 ai both ends, transversely impressly striated longitu- 

 dinally ribbed, ribs rather flat, granulated towards 

 the base; pinkish white, ribs stained with a very 

 broad brown or purple-brown band, apex pink ; co- 

 lumella four - plaited, uppermost plate much the 

 largest. 



Reeve, Pro. Zool. Soc, 1844. 



Ilalj. Island of Capul, Philippines (found on the reefs); 

 Cuming. 

 This shell, at a glance, has very much the appearance of 

 tin Mtlrti pnh-liflla, but upon examination it will be ob- 

 served that the dark band which encircles the one is painted 

 on the ribs only, whilst in the other it appears in the inter- 

 stices only. 



Species 149. (Mus. Cuming.) 



Mitra cavea. Mitr. testa ovatd, glabra, longitudinaliter 

 costellatd, costellis obtusis; cinereo-nigricante, confix 

 macularum albicantium serie unicd ornatis ,■ columella 

 quadriplicatd. 



The bird-cage Mitre. Shell ovate, smooth, longitu- 

 dinally ribbed, ribs obtuse ; ashy black, ribs orna- 

 mented with a row of small white spots ; columella 

 four-plaited. 



Reeve, Pro. Zool. Soc, 1814. 



Eab. ? 



The specimen here figured from the collection of Tho. 



Xi irris, Esq., is the only example of the species I have seen. 



Species 150. (Mus. Cuming.) 



Mitra Adamsoni. Mitr. testa on/hi, subobesd, spira 

 hrcrii'srttlii, longitudinalitt >■ granoso-plicatd, transver- 

 sim impresso-striatd ; albidd, aut lutescente-albd, ma- 

 culis grandibus rubido-fuscis subirregulariter nebulosd, 

 lined albidd unicd cingulatd ; columella quadriplicatd, 

 labro sabreflexo, crenulato; apertures fauce aurantid, 

 columella lahroque vivide aurantio-rubris. 



Adamson's Mitre. Shell ovate, rather stout, spite rather 

 short, longitudinally granulonsly plicated, transversely 

 impressly striated; whitish or yellowish white, some- 

 what irregularly clouded with large reddish brown 

 blotches, encircled with a single white line; columella 

 four-plaited, lip a little reflected, crenulated; interior 

 of the aperture orange-tinted, lip and columella bright 

 orange-red. 



Gray, MSS. (Mr. Adamson's cabinet.) 



Sab. Isle of Capul (found on the sands); Cuming. 



I have much pleasure in adopting Mr. Gray's mamiscripl 



name for this new and very characteristic species. 



