172 



Mitra chalybeia. Mitr. testd elongato-ovaM , hasin versvs sul- 

 caid ; anfractibus convexis, leevigatis, juxta suturas rude subtilis- 

 sime crenulatis ; cinereo-carulescente alhoque longitudinaliter stri- 

 gatd, iransversim indistincte fasciatd, lineis rubido-fuscis aqui- 

 distantibus undique cingulatd; columelld rufo-avrantid, ąuadripli- 

 cald. 



Conch. Icon., Mitra, pi. 9. f. 59. 



Hab. } 



A new and very characteristic species, at present uniąue in the 

 coUection of H. Cuming, Esq. 



Mitra fulgurita. Mitr. testd cylindraceo-elongatd, subangvstd, 

 transversim impresso-striatd , striis puncturatis ; pallide spadiceo- 

 fulvd, strigis angustis albis longitudinalibus ornatd ; columelld 

 guingueplicatd, subutnbilicatd. 



Conch. Icon., Mitra, pi. 9. f. 61. 



Hab. ? 



An interesting new species, marked with vhite lightning-like lon- 

 gitudinal streaks. 



Mitra lignaria. Mitr. testd oblongo-ovatd. crassiusculd, spird 

 acuminato-productd ; anfractibus superne depressis, longitudinaliter 

 subobligue obtuso-costatis, transversim subtiliter liratis, liris binis ; 

 rubido-aurantid, epidermide fuscd indutd ; columelld quadripUcatd ; 

 aperturd breviusculd. 

 Conch. Icon., Mitra, pi. 9. f. 64. 



Hab. St. Elena, West Columbia (dredged from rocky ground at 

 the depth of about fourteen fathoms) ; Cuming. 



This shell has somewhat the character of the Mitra rupicola found 

 in the šame localitj' ; the spire is ho\vever longer, the aperture con- 

 sequently shorter, and the sculpture is of a different character. 



Mitra lacunosa. Mitr. testd oblongo-ovatd, spird breviusculd, 

 transversim sulcatd, suleis confertis, regularibus, profunde punc- 

 turatis ; longitudinaliter lacunosd, lacunis subconcentrice undatis ; 

 albicante, aurantio-fuscescente prope apicem macvlatd, anfractu 

 vltimo fascid latiusculd aurantio-fuscescente cinguluto ; columelld 

 guadriplicatd . 



Conch. Icon., Mitra, pi. 10. f. 65. 



Hab. ? 



This species is characterized, independently of its peculiar stj'le of 

 colouring, by numerous longitudinal \vaved grooves or gutters having 

 the appearance of sea-breaks. 



Mitra pellis-serpentis. Mitr. testd oblongo-ovatd, crassd, solidd, 

 spird subacuviinatd , liris plano-granulatis transversis et longitudi- 

 nalibus subtilissime decussatd; intus extusque lutescente ; columelld 

 quadriplicatd ; labro superne contracto, intus striato-crenulato. 



Conch. Icon., Mitra, pi. 10. f. &&. 



Hab. Islands of Mindoro and Bohol, Philippines (found under stones 

 at lo\v water) ; Cuming. 



