482 Zoological Society. 



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



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

 water) ; Cuming. 



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



RIiTRA ACUPicTA. M'ltr. testd acuminato-turritd, anfractibus con- 

 x'exis, numerosis, lojigitudinaliter crebriliratis, transversini im- 

 presso-striatis ; albidd, apice basiquerosaceis, liris punctis cceruleis 

 et /iiscis profuse variegatis ; colutneUd quadriplicatd. 



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



Hab. Zanzibar, east coast of Africa. 



The surface of this beautiful 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 leevigafo ; 

 albd, lineis rubido-fuscis remotiusculis cingulatd, epidermide vivide 

 viridescente onininb iiidutd ; columeUd sexpJicatd. 



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



Hab. ? 



I have no information concerning the locality of this extremely 

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

 Tliomas Norris, Esq. 



MiTKA TJSTULATA. Mitr. testd elongatd, spird angusto -acuminatd , 

 transversini subtilissinif' striatd ; albidd, lineis capiUaribus fusces- 

 centibus remotiusculis cingulatd, maculis grandibns 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 suboblique liraid, liris angustis, crebris, interstiiiis impresso- 

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

 suturas plerumque cinctd ; columelld quadriplicatd. 



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



Mitra rosea, Kiener (not of Duclos), 



Hab. Ceylon. 



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

 Voluta ignea. Wood, Mitra subiilata, Lamarck. 



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

 basin sulcata, prope apicem subtilissime plicato-costatd ; fused vel 

 cinereo-fuscd, lined unicd pall id e favicante 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 M'hose opinions in concho- 



