Zoological Society. 485 



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

 sculpture is however of a quite different pattern. 



Mitra Gruneri. Mitr. testd ahhreviato-fusiformi, suhharpceformi, 

 spird brevi, turritd, acutd ; longitudinaliter acute costatd, costis 

 superne mucronato-tuherculatis, anfractuum parte superior i piano - 

 angulatd ; olivaceo-viridescente, lineis tribus rubido-fuscis subdi- 

 stantibus inter castas seriatim pictd ; columelld quinquepUcatd. 

 Conch. Icon., Mitra, pi. 16. 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, solidiusculd, spird 

 breviusculd ; anfractibus convexis, leevigatis, transversim impresso- 

 striatis ; albd, epidermide corned nigricante 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, interstitiis striis subtilissime 

 cancellatis ; roseo-albicante, epidermide fuscescente indutd, liris 

 fuscescente-punctatis ; columelld quadriplicatd, plicis infimis sub' 

 obscuris ; aperturd longiusculd. 



Conch. Icon., Mitra, pi. 16. f. 122. 



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

 depth of fourteen fathoms) ; Cuming. 



A species intermediate between the Mitres circulata and sulcata. 



Mitra concentric a. Mitr. testd acuminato-ovatd, subfusiformi, 

 longitudinaliter concentrice costatd, costis superne mucronatis, in- 

 terstitiis impresso-striatis ; albidd, ferrugineo-fusco hinc et hinc 

 maculato-tinctd, ad basinque fasciatd ; columelld quinquepUcatd; 

 apertures 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 mucronata, from 

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

 their being denuded of tubercles. 



Mitra senegalensis. Mitr. testd fusiformi, spird acute acumi- 

 natd ; anfractibus Iccvigatis, superne tumidiusculis ; Uvido-olivaced, 

 flammulis perpaucis albidis longitudinaliter ornatd ; columelld tri- 

 plicatd ; apertures fauce livido-castaned. 



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



Hab. Senegal ; Petit. 



