Zoological Society. 267 
Conch. Icon., Mitra, pl. 35. f. 288. 
Hab. : 
A pretty species, the sculpture of which is of a very decided cha- 
racter. 
Mirra cHELonta. Mitr. testd ovatd, spird breviusculd, acutd ; 
levigatd ; nigricante-fuscd, zonula luted unicd, cingulatd ; colu- 
melld triplicatd, labro superne sinuato. 
Conch. Icon., Mitra, pl. 35. f. 289. 
Hab, Island of Burias, Philippines (dredged from sandy mud at the 
depth of ten fathoms) ; Cuming. 
Belonging to that well-known division of the genus of which the 
Mitra ebenus is the type. 
Mirra scutpritis. Mitr. testd elongatd, subcylindraced, basi pau- 
lulim recurvd, spire suturis subimpressis ; longitudinaliter crebri- 
liratd, interstitiis transversim fortiter clathratis ; albicante, fusces- 
cente pallidé maculatd, anfractis ultimi parte inferiori fuscescente 
basi albicante ; columella quinqueplicatd. 
Conch. Icon., Mitra, pl. 35. f. 290. 
Hab. Island of Ticao, Philippines (found under stones at low 
water) ; Cuming. 
Distinguished by its very closely latticed sculpture. 
Mirra spicata. Mitr. testd fusiformi, spird acuminato-turritd ; 
anfractibus longitudinaliter crebricostatis, superné acutangulis, 
costis ad angulum tuberculato-nodosis, anfractu ultimo medio exi- 
liter noduloso, costis fere obsoletis ; pallide fulvd ; columelld qua- 
driplicatd. 
Conch. Icon., Mitra, pl. 35. f. 291. 
Hab. Island of Ticao, Philippines (found on the sands) ; Cuming. 
The upper whorls of this species are longitudinally finely ribbed, 
but there is very slight indication of ribs upon the lower. 
Mirra Hees. Mitr. testa fusiformi, spird acuminatd, lineis pro- 
Sunde impressis transversis et longitudinalibus undique creberrime 
decussatd, albicante, columelld quadriplicatd., 
Conch. Icon., Mitra, pl. 35. f. 292. 
Hab. ? 
The entire surface of this species is decussated with narrow deeply- 
cut lines. 
Mirra anatocica. Mitr. testd ovato-oblongd, basi contractd, sul- 
catd ; spire anfractibus longitudinaliter plicato-costatis, anfractu 
ultimo levigato ; nigricante fuscd, zonuld luted cingulatd ; colu- 
mella triplicata. 
Conch. Icon., Mitra, pl. 35. f. 293. 
Hab. H 
This species has very much the appearance of a gigantic Mitra 
Savignii, from which it however differs in its proportions. 
Mirra BiLiInEATA. Mitr. testd ovatd, solidiusculd, spird acuminata ; 
longitudinaliter subobsoleté plicatd, levigatd, politd ; nigerrimo- 
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