Part 93

370. Turritella imbricata.

371. Monotygma, Gray.

Fam. Canalifera.

372. Cerithium Aluco, front.

374. Nerinea Goodhallii. (from Geol. Trans.)

375. Triphora plicata. (from Deshayes.)

376. End view of the same.

377. Potamis muricata. Pyrazus, Montf. Tympanostomata, Schum.

378. Cerithium Telescopium. Gen. Telescopium.

379. Pleurotoma Babylonia; a, a, extremities of the axis.

381. ---- strombiformis, Clavatula, Lam.

382. Turbinella corniger. Scolymis, Sw.

383. ---- polygona. Polygonum, Schum.

384. Spirillus. Gen. Pyrella, Sw. Turbinella spirillus, Auct.

385. Cancellaria reticulata.

386. Fasciolaria Trapezium.

387. Fusus Colus; a, anterior of the aperture; p, posterior.

388. Pyrula perversa. Fulgur, Montf.

389. ---- papyracea. Rapanus, Schum. Bulbus, Humph. Rapella, Sw.

390. ---- Ficus. Ficula, Sw.

391. Struthiolaria straminea.

393. Ranella ranina. Apollon, Montf.

394. ---- neglecta. Bufo, Montf.

395. Murex inflatus. Chicoreus, Montf.

396. ---- haustellum. Brontes, Montf.

397. Typhis tubifer. (from Deshayes.)

398. Triton pilearis.

399. ---- cutaceus. Aquillus, Montf.