Zoolor/ical Society. 485 



In painting this shell reminds one of the Mitra crenifcra ; the 

 sculpture is however of a quite different pattern. 



Mitra Gkunkui. Mitr. testd ahbreviuto-fusifornii, subharpceformi, 

 spird brcci, turritd, acuta ; loncjiludinaliter acutv coslatil, coslis 

 siipernv mucrouato-tuberculatis, uiifr act uum parte siiperiori plano- 

 angulatd ; olivacco-viridescente, li/ieis tribus rubido-J'uscis suhdi- 

 stantibus inter castas seriatim picld; columelld quinqueplicatd. 

 Conch. Icon., Mitra, pi. IG. f. 119. 



Hab. Island of Masbate, Philippines (found on the reefs at low 

 water) ; Cuming. 



It is somewhat a matter of surprise that this very characteristic 

 species, which is not uncommon, has never been described. I dedi- 

 cate it with much pleasure to E. L. G. Gruner, Esq., of Bremen. 



Mitra caliginosa. Mitr. testd ovato-fusiformi. solidii/sculd, spird 

 breviusculd ; anfractibus convexis, Iccvigatis, transversim inipresso- 

 striatis ; albd, epidermide corned 7iigricante undique indutd ; colu- 

 melld quinquepUcatd . 



Conch. Icon., Mitra, pi. 16. f. 121 . 



Hab. } 



I have no locality for this species, which is a rather solid white 

 shell, closely enveloped by a dark blackish epidermis. 



Mitra funiculata. Mitr. testd abbreviato-fusiformi, spird brevi- 

 usculd ; anfractibus superne subangulatis, liris angustis elevatis 

 subdistantibus undique funiculatis , inlerstiiiis striis subtilissime 

 cancellatis ; roseo-albicunte, epidermide fuscescente indutd, liris 

 fuscescente-punctatis ; columelld quadriplicatd, jjlicis injimis sub- 

 obscuris ; aperturd longiusculd. 



Conch. Icon., Mitra, pi. IG. f. 122. 



Hab. Isle of Plata, West Columbia (found in coral sand at the 

 depth of fourteen fathoms) ; Cuming. 



A species intermediate between the Mitra circulate and sulcata. 



Mitra concextrica. Mitr. testd acuminato-ovatd, subfusiformi, 

 longitudinaJiter concentrice costatd, costis superne mucronatis, in- 

 terstitiis imj^resso-striatis ; albidd, ferrugineo-fusco hinc et hinc 

 maculato-tinctd, ad basinque fasciatd ; columelld quinquepUcatd; 

 aperturec fauce striatd. 



Conch. Icon., Mitra, pi. 17. f. 128. 



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

 water) ; Cuming. 



This species is very closely allied to the Mitra mucronnta, from 

 which it only differs in the concentric disposition of the ribs, and in 

 their being denuded of tubercles. 



Mitra sexegalexsis. Mitr. tc^td fu.^iformi, spird acute acumi- 

 natd ; anfractibus lavigatis, superne tuinidiusculis ; livido-olivaced, 

 flammulis perpuucis ulbidis longitudinaliter ornatd ; columelld tri- 

 plicatd ; uperturce fauve livido-castancd. 



Conch. Icon., Mitra, pi. 17. f. 129. 



Hab. Senegal ; Petit. 



