480 Zoological Society, 



Hab. MoUucca and Philippine Islands (found at the islands of Zebu 

 and Burias, under stones at low water) ; Cuming. 

 Allied to the Mitra plicata. 



MiTRA CHALYBEiA. Mitv. tcstd elongatoovatd, basin versus sul- 

 catd ; anfractibus convexis, Itevigatis, juxta suturas rude subtilis- 

 sinie crenulatis -, cinereo-ccerulescente alboque longitudinaliter stri- 

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

 distantibus undique cingulatd; columelld rufo-aurantid, qvadripli- 

 catd. 



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



Hab. ? 



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

 collection of H. Cuming, Esq. 



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

 transversim impresso-striatd, striis puncturatis ; pallide spadiceo- 

 fulvd, strigis angustis albis longitudinalibus ornatd; columelld 

 quinqueplicatd, subumbilicatd . 



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



Hab. } 



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

 gitudinal streaks. 



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

 acuminata -productd ; anfractibus snperne depressis, longitudinaliter 

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

 rubido-aurantid, epidermide fused indutd; columelld quadriplicatd ; 

 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 same locality ; the spire is however longer, the aperture con- 

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



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

 transversim sulcatd, sulcis confertis, regularibus, profunde punc- 

 turatis ; longitudinaliter lacunosd, lacunis subconcentrice undatis ; 

 albicante, aurantio-fuscescente prope apicem maculatd, anfractu 

 ultimo fascid latiusculd aurantio-fuscescente cingulato ; columelld 

 quadriplicatd. 



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



Hab. } 



This species is characterized, independently of its peculiar style of 

 colouring, by numerous longitudinal waved grooves or gutters having 

 the appearance of sea-breaks. 



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

 spird subacuminatd, 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. 66, 



