480 Zoological Society. 



Hub. Mollucca and Philippine Islands (found at the islands of Zebu 

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

 Allied to the Mitra plicata. 



MiTRA CHALYBEiA. Mitr. tcstci elongatoovatcl, basin versus svl- 

 catd ; anfractibus cofivexis, Icevigatis, juxta suturas rudh subtilis- 

 sime crenulatis ; cinereo-cccrulescente alboque JongitiidinaUter stri- 

 gatd, traiisversim indistincte fasciatd, Uneis rubido-fuscis (Equi- 

 distantibus undique cingulatd; columelld rufo-aurantid, qvadrip/i- 

 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, stibangiistd, 

 transversim impresso-striatd, striis puncturatis ; pallide spadiceo- 

 fulvd, strigis angustis albis longitudinalibvs ornatd ; columelld 

 quinqucplicatd, 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, crassiusculd, spird 

 acuminato-productd ; anfractibus superne 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 chai-acter. 



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

 transversim sulcatd, sulcis confertis, regularibus, profunde punc- 

 turatis ; longitudinaliter lacunosd, lacunis subconcentrice undatis ; 

 albicante, auraiitio-fuscescente prope apiceni 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 stj'le 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 jjlano-gra/mlatis transversis et longitudi- 

 nalibus subtilissime decussatd ; intus extusque lutescente ; columelld 

 quadriplicatd ; labro superne contracto, intus striato-crenulato. 



Conch. Icon., Mitra, pi. 10. f. 66. 



