193 



Genus Mitra, {Lam. & Swains.). 



Mitra nebulosa. Mitra testd turritd, slriis impressis cinctd, 

 palUdeflavd macidis castaneo-fuscis pieta ; columelld obsoletesex- 

 plicatd: long. Ii- poli. , lat. Z^ poli. 

 Hab. ad Insulam Annaan. 



Mr. Cuming found this species on the reefs at low water. 

 _ Mr. Swainson, whose name is retained, has the following observa- 

 tion: " representing nubila." "Type 5, 1." 



Mitra Swainsonii. Mitra testd turritd, valde productd, IcEvigatd, 

 pallide carned, apicem versus pullide bi-unned, striis transversi's 

 cinctd; columelld quadriplicatd : long. 6, lat. l.poll. 

 Hab. ad Colombiam Occidentalem. (Monte Christi.) 

 Dredged up from sandy mud by Mr. Cuming in seven fathoms 

 water. 



This shell has been much exposed, and its colour is faded. 

 The follovving rematk appears on the cover : " Type 1, 1." 



Mitra Ancillides. Mitra testd turritd, minutisime transversim 

 striatd, totu pallide flnvd; columelld ųuinauevlicatd ■ lona 5 

 lat. 2pull. . ^' ' 



Hab. ad Insulam Annaan. 



Found on the reefs. 



The folio wing remark appears on the cover : " Type 5, (2 ?)." 



Mitra mauką. Mitra testd turritd, transversim minute striatd, 

 anfractibus torosis, totu nigricante ; columelld albd, guadriplicatd '; 

 aperiui-d Mante : long. 2^, lat. į poli. 

 Hab. ad Peruviam. (Iquiqui.) 



Found in the fissures of rocks, buried in sand, at low water mark. 

 On the cover is the following observation : " representing Tiara 

 foraminata, Type 1, 4." 



The older shells are eroded, especially towards the aj)ex, likę some 

 of the freshwater turbinated shells. 



Mitra fulvescens. Mitra testd ovato-elongatd, fulvd, striis uitis 



cinctd ; columelld sexplicaid: long. -|-, lat. -y^r poli. 

 Hab. ad Insulam Annaan. 

 Found on the reefs. 

 On the\vrapper is the following observation: "Type b, 1." 



Mitra testacea. Mitra testu turritd, acumintitd, rubro-lutescente, 

 transversim striatd; columelld quinqueplicatd : long. \\, lat. į poli. 

 Hab. ad Insulam Annaan. 

 Found on the reefs. 



Mr. Sv/ainson has the follovving observation on the vvrapper: 

 "Type 5, 1. reprcsentingyM/ra." 



Mitra fulva, var. Mitra testd turritd, fulvd, striis transversis 

 punctutis cinctd; suturd crenulatd ; columelld seaplicatd ; labro 

 crenulato. 



