332 MOLLUSCA. SOLENOSTOMATA. Voluta. 



VOLUTADiE. 



Gen. LXV. VOLUTA— Pillar plaited, the anteal folds the 

 largest ; extremity of the canal emarginate. 



296. V. catenata. — Shell pellucid, white, with four spiral 



bands of opake white spots, connected by rufous streaks. 



Mont. Test. Brit. 236. t. vi. f. 2. — Coast of Devon, Mr Swainson, Dund- 

 bar, Mr Laskey. 



Length |ths, breadth |th, of an inch ; shell strong, spire nearly con. 

 cealed ; body-whorl slightly conical ; aperture the whole length of the shell ; 

 outer-lip obsoletely denticulated within ; pillar-lip thick, with two strong 

 and two faint folds. 



EXTINCT SPECIES. 



1. V. luctator — Shell ovate-acute, covered with tubercular spines, termi- 

 nating longitudinal ribs, transversely striated or sulcated ; whorls concave 

 above, with a rounded edge; outer lip plain within; aperture oblong — 

 (Strombus dubius, Brander, f. 68.) — Sower. Min. Conch, t. cxv. f. 1, and 

 t. cccxcvii. — London Clay. 



2. V. spinosa — Ovate-acute, ventricose, covered with large spines, extending 

 into the longitudinal ribs, and a row of smaller spines near the upper edge 

 of the whorl ; whorls concave above, transversely striated below ; aperture 

 ovate, elongated; outer- lip plain within — (Strombus luctator, Brander, f. 56.) 

 — Sower. Min. Conch, t. cxv. f. 2, 3, 4 — London Clay. 



3. V. suspensa — Ovate, pointed, obscurely costated, transversely striated ; 

 spire with a broad canal 4 around it, bounded by an erect, flat, dentated crown ; 

 base produced — (Murex suspensus, Brander, f. 70.) — Soiver. Min. Conch, 

 t. cxv. f. 5 London Clay. 



4. "V. coslata — Ovato- fusiform, acute, costated, striated, with about three 



plaits on the pillar — {Brander, f. 45.) Soiver. Min. Conch, t. ccxc. f. 1,2, 4 



London Clay. 



5. V. Magorum. — Ovato-fusiform, obtuse, costated, obscurelv striated; 



with many plaits upon the pillar.— Soiver. Min. Conch, t. 290. f. 3 London 



Clay. 



6. V. Aihleta. — Rhomboidal, ventricose, acute, crowned with large spread- 

 ing spires ; base obscurely sulcated ; pillar with three unequal folds ; lip plain 

 within.— (Strombus Ath. Braruler, f. 66.) Soiver. Min. Conch, t. cccxcvi. f. 1, 

 2, 3.— London Clay. 



7- V. depuuperata — Ovato-rhomboidal, acute, costated ; crowned with one 

 series of erect spines ; base sulcated ; pillar with one fold ; lip smooth within. 



— (Strombus luctator, Brander, f. 67,) Soiver. Min. Conch, t. cccxcvi. f, 4 



London Clay. 



8. V. amligua — Shell ovato-elongated ; acute, costated, transversely sul- 

 cated; costa? angular above; spire rough ; pillar with three plaits; lip plaited 

 within, its edge granulated, aperture narrow above.— (Strombus ambiguus, 

 Brander, f. 69.) Soiver. Min. Conch, t. cccxcix. f. i. — London Clay. 



