798 MR. G. B. SOWERBY, JUN., ON NEW SHELLS. [Nov. 5, 



between the keels, and others cancellated ; but they all agree in 

 being much more sharply angular than the specimens of M. annu- 

 lata from Ceylon and Mauritius, the keels being more acute and 

 prominent, and the body-whorl being shorter in proportion to the 

 spire. 



From other sources : — 



Mitra deburghi^e, n. sp. (Plate XLVIII. fig. 12.) 



M. testa cylindraceo-conica, solidula, cinerea, hie illic sparsim 

 fusco punctata, maculis albidis distantibus triseriatim dispositis 

 cingulata, postice albida, ubigue transversim sulcata, sulcis pro- 

 fundis, valide cancellatis ; spira brevissima, conica, albida ; an- 

 fractibus 9, obtuse angulatis ; apice fusco ; apertura oblonga, 

 antice subexpansa, fauce cinereo-fusca ; columella quinqueplicata, 

 plicis acutis, labio externa serrato. 



Long. 16, maj. lat. 8 mill. 



Hab. Tahiti. 



A very pretty and distinct species of the Imbricaria section. 



Mitra puncturata, n. sp. (Plate XLVIII. fig. 5.) 



M. testa angusta, solida, antice leviter contracta, carneola, rufo- 

 fusco maculata et flammulata , ubique longitudinaliter costata ; 

 costis numerosis, subconfertis, planulatis, interstitiis profunde 

 punetatis ; spira elongala ; anfractibus 9, planato-convexis ; 

 sutura impressa ; apertura oblonga, intus costata, carneola; colu- 

 mella 5-plicata. 



Long. 20, maj. lat. ft, spira alt. 10 mill. 



A single specimen without locality, but very strikingly different 

 from every known species. 



Ziziphinus jucundus, ii. sp. (Plate XLVIII. fig. 6.) 



Z. testa acute sublate conica, tenui, fulvo- carneola, lineis fuscis 

 minutis confertis interruptis spiraliter cingulata, versus apicem 

 cinereo-fasciata ; anfractibus 10, vix convexis, primis grano-lira- 

 tis, sequentibus Icevibus, ultimo juxta suturam ilerum subconspicue 

 grano-lirato, liris deinde fere obsoletis ; sutura impressa ; mar- 

 ginibus obtuse carinatis, maculis rubidis subdistantibus ornatis ; 

 basi planato-convexa ; apertura oblique quadrata, fauce margari- 

 tacea ; columella callosa, obliqua, vix intorta. 



Alt. 30, maj. diam. 33 mill. 



Hab. Japan. 



A very neatly formed and delicately marked shell, of which only 

 one specimen is at present known. 



EXPLANATION OF PLATE XLVIII. 



Fig. 1. Conus melvilli, p. 795. 



2. carnalis, p. 796. 



3. catenatus, p. 796. 



4. Latirus cayokuesonicus, p. 796. 



5. Mitra puncturata, p. 798. 



6. Ziziphinus jucundus, p. 798. 



Figs. 7, 8. Mitra acuta, p. 797. 



9, 10. fulvolirata, p. 797. 



11. bertha, p. 797. 



12. deburghias, p. 798. 



13. Hemifusus corona, var. 



minor, p. 796. 



