268 Zoological Society. 
fuscd, apicem versus albicante, lineis duabus luteis cingulatd ; co- 
lumelld quinqueplicata. 
Conch. Icon., Mitra, pl. 35. f. 294. 
Hab. ? 
A hard polished blackish brown shell, encircled with two distant 
yellow lines. 
Mirra recurvA. Mitr. testd fusiformi, basi attenuatd, subrecurvd ; 
longitudinaliter granoso-liratd, transversim impresso-striatd ; ro- 
saceo-purpuraseente, fusco minutissime hic illic punctatd ; columelld 
quadriplicatd ; labro incrassato. 
Conch. Icon., Mitra, pl. 26. f. 297. 
Hab. Island of Capul, Philippines (found under stones at low 
water) ; Cuming. 
The minute granules with which the surface of this shell is longi- 
tudinally sculptured have a semitransparent pearl-like appearance. 
Mirra 1ncarnata. Mitr. testd oblongo-ovatd, spird breviusculd, 
transversim elegantissime crebriliratd, longitudinaliter angisulcatd ; 
incarnatd ; columella sexplicatd, apertura longiusculd. 
Conch. Icon., Mitra, pl. 36. f. 299. 
Hab. Cagayan, province of Misamis, island of Mindanao, Philip- 
pines (dredged from sandy mud at the depth of five and twenty 
fathoms) ; Cuming. 
The sculpture of this delicately tinted shell is very elaborate. 
Mirra articutata. Mitr. testd abbreviato-fusiformi, subventri- 
cosd; anfractibus levibus, longitudinaliter subobsoleté plicatis, 
medio leviter tuberculatis ; pallidé rosaceo-coccined, zonuld albd 
Susco articulatd cinctd ; columella quadriplicatd. 
Conch. Icon., Mitra, pl. 36. f. 302. 
Hab. ? 
I have found no specimen approaching comparison with the one 
above described, from the collection of Thomas Norris, Esq. 
Mirra Festa. Mitr. testd pyramidali-ovatd, longitudinaliter ob- 
tuso-costatd, costarum interstitiis transversim cancellatis ; eburned, 
anfractu ultimo fascid latd olivaceo-cinered, fusco indistincté punc- 
tata, cingulatd ; columella quadriplicatd. 
Conch. Icon. Mitra, pl. 36. f. 303. 
Hab. Puerto Galero, island of Mindoro, Philippines (found on the 
sands) ; Cuming. 
A solid ivory-white shell, encircled with a dark band, which is 
concealed in the upper part of the shell by the superposition of the 
whorls. 
Mirra pineuris. Mitr. testd subobeso-ovatd, longitudinaliter sub- 
oblique noduloso-costatd, transversim impresso-striatd, striis cre- 
berrimis, anfractis ultimi parte inferiori sulcatd ; albidd, fascid 
unicd fuscescente cingulatd ; columella quadriplicatd. 
Conch. Icon., Mitra, pl. 36. f. 304. 
Hab. Puerto Galero, island of Mindoro, Philippines ; Cuming. 
The last whorl of this shell exhibits a peculiarity of structure 
