482 Zoological Society. 



Conch. Icon., Mitra, pi. 11. f. 75. 



Hai. Island of Annaa, Pacific Ocean (found on the reefs at low 

 water); Cummg. 



A solid, rather ventricose shell, with a peculiar twist at the base. 



Mitra acupicta. Mitr. testa acuminato-turritd, anfractibus con,' 

 vexis, numerosis, longitudinaliter crehriliratis , transversim im- 

 presso-striatis ; alhidd, apice basique rosaceis, lirispunctis cceruleis 

 et fuscis profuse variegatis ; colwnelld quadriplicatd . 



Conch. Icon., Mitra, pi. 11. f. 76. 



Hah. Zanzibar, east coast of Africa. 



The surface of this beaufiful shell has the appearance of being 

 curiously embroidered with small coloured beads. 



Mitra obesa. Mitr. testd abbreviato-ovatd, solidd, superne valde 

 obesd, spird brevissimd, sulcis spiralibus et radiantibus decussatim 

 impressd ; anfractu ultimo basin versus sulcato, supra leevigato ; 

 albd, lineis rubido-fuscis remotiusculis cingulatd, epidermide vivide 

 viridescente omninb indutd ; columelld sexplicatd. 



Conch. Icon., Mitra, pi. 12. f. 87. 



Hah. ? 



I have no information concerning the locality of this extremely 

 interesting species, of which there is an example in the collection of 

 Thomas Norris, Esq. 



Mitra ustulata. Mitr. testd elongatd, spird angusto-acuminatd, 

 transversim subtilissime striatd ; albidd, lineis capillaribus fusces- 

 centibus remotiusculis cingulatd, maculis grandibus ustulato -fuscis 

 nebulosd ; columelld sexplicatd. 



Conch. Icon., Mitra, pi. 13. f. 89. 



Hab. ? 



This species is at present unique in the collection of Thomas 

 Norris, Esq. 



Mitra crebrilirata. Mitr. testd acuminato-turritd, longitudina- 

 liter suhoblique liratd, liris angustis, crebris, interstitiis impresso- 

 cancellatis ; olivaced vel olivaceo-fuscd, lined unicd pallidd infra 

 suturas plerumque cinctd ; columelld quadriplicatd. 



Conch. Icon., Mitra, pi. 13. f. 92. 



Mitra rosea, Kiener (not of Duclos) . 



Hah. Ceylon. 



Figured by M. Kiener for the Mitra rosea of Duclos, which is the 

 Valuta ignea. Wood, Mitra subulata, Lamarck. 



Mitra polita. Mitr. testd acuminato-turritd, laevigatd, politd, ad 

 hasin sulcatd, prope apicem suhtilissimi pticato-costatd ; fused vel 

 cinereo'fuscd, lined unicd pallide fiavicante cingulatd ; columelld 

 quadriplicatd. 

 Conch. Icon., Mitra, pi. 13. f. 94. 



Hab. Islands of Zebu and Luzon, Philippines (found in mud on the 

 shore at low water, and at the depth of six or seven fathoms) ; Cu- 

 ming. 



At the desire of one or two gentlemen whose opinions in concho- 



