24 EXOTIC CONCHOLOGY. 



rare of this beautiful and noble family. Length five inches, breadth two inches. 

 Aberrant. 



Obs. An eminent Conchologist has informed me that this shell is but a 

 variety of Pacifica. 



Sub-Family— MITRANiE. 



Spire produced, acute, generally as long or longer than the aperture, plaits 4 — 5, the 

 lower the smallest. 



Germs — Mitra. No internal channel or groove at the upper extremity of the aperture ; 

 outer lip curved from its two extremities ; the hase of the aperture not contracted, 

 the interior always smooth : spire lengthened and acute : shell without coronating 

 tubercles, but not polished ; (representing the Volutse and Turbinellidse). 



Sub-gemis — Mitra. Shell entirely smooth, or with the sutures very shghtly crenated : 

 aperture very effuse at the base. 



M. PERTUSA. PUNCTURED MITRE. 



Plate XXX. 



Testa ovato-acuta, liueis transversis impresso-punctata, albida, macuhs, spadiceis, inter- 

 ruptis, fasciata : ultimo anfractu macularum majorum ejusdem coloris seriebus 

 2 ornato : apertura alba, labio exteriore denticulato : columella 5 plicata. 



Mitra Cardinalis, Lam. Anx. sans V. 7. p. 301. no. 6. 



Mitra Archiepiscopalis, Lam. Anx. sans V. 7. p. 302. no. 7. 



Mitra Pertusa, Sow. Gen. 



Valuta Pertusa, Dilwyn, 558. no. 144. Lister, 838. fig. 65. Gault. 53. fig. g. ad 

 dexteram & l. and tab. 54. fig. h. Enc. Met. 369. 1. a. b. & 3. a. b. Mart. 4. 

 pi. 147. fig. 1358, 9. Knorr, Vergn. 4. pi. 28. fig. 3. Wood's Cat. Voluta, 

 fig. 141. Kiener's Mitrse, pi. 3. fig. 6, 6. a. 



Shell oval-acute with the body-whorl longer than the spire : whorls rounded, 

 marked horizontally with minute punctures, white with numerous spiral rows of 

 small spots of chesnut brown and a band of irregular splotches of the same colour 

 just below the suture ; the body-whorl furnished with a second one in the centre. 

 The mouth white, the outer lip denticulated and the pillar with five plaits. Indian 

 ocean. Two inches and a half. 



MITRA GLABRA. SMOOTH MITRE. 



Plate XVIII. 



Testa turrito-subulata Isevi, nitida, aurantio-fulva : anfractibus convexis, transversim obso- 

 lete striatis : apertura abbreviata ; spiree apice crassa : columella quadripUcata. 



Mitra Buccinata, Quoy's Astrolabe, pi. 45 bis. fig. 14, 15. Kiener's Mitree, pi. U. 

 Wood's Cat. sup. Volutse, fig. 



