OCR Text |
Show 798 MR. G. B. SOWERBY, JUN., ON N E W SHELLS. [Nov. 5, between the keels, and others cancellated ; but they all agree in being much more sharply angular than the specimens of M. annulata 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 :- M I T R A 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, ubique transversim sulcata, sulcis profundis, valide cancellatis; spira brevissima, conica, albida; anfractibus 9, obtuse angulatis; apice fusco ; apertura oblonga, antice subexpansa, fauce cinereo-fusca ; columella quinqueplicata, plicis acutis, labio externo 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 punctatis ; spira elongata ; anfractibus 9, planato-convexis ; sutura impressa; apertura oblonga, intus costata, carneola; columella 5-plicata. Long. 20, maj. lat. 5, spira alt. 10 mill. A single specimen without locality, but very strikingly different from every known species. ZIZIPHINUS JUCUNDUS, n. 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 leevibus, ultimo juxta suturam iterum subconspicue grano-lirato, liris deinde fere obsoletis; sutura impressa ; marginibus 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 < Fig. 1. Conus melvilli, p. 795. 2. carnalis, p. 796. 3. catenatus, p. 796. 4. Latirus cayohuesonicus, p. 796. 5. Mitra puncturata, p. 798. 6. Ziziphinus jucundus, p. 798. PLATE XLVIII. Figs. 7, 8. Mitra acuta, p. 797. 9, 10. fulvolirata, p. 797. 11. berths, p. 797. 12. deburghice, p. 798. 13. Hemifusus corona, var. minor, p. 796. |