PLATE XXI. 



VOLUTA Pyrum : testa obovata subcaudati ; spirae anfractibus 



striatis; apice producto glaberrimo, columella 

 triplicata. — Gmel, Linn. Syst, Nat, T. 1, p. 6. 

 3463. 102.— Zi^^. Conch, t, 815.^ ^S'-Sonann. 

 recr et Mus. Kircher. S.jfl 194. — Knorr, Vergn, 

 G.Jl 39. /. 1. — Gualt, test, t. 46.y? C. — Martini, 

 Conch, 3. t. 95. /. 916. 917.— (B.) List, Conch, 

 t, 816. /. 26,— Martini. Conch, 3. t, 95. /. 918. 

 919.— Knorr, Vergn. 6. t. Tl.f. %—(p.)Chemn. 

 Conch. 9. t, 1 04.y: 884. 885.— (8.) Chemn. Conch. 

 9. t, 104./. 886. 887. 



I'he animal inhabitant of this shell, according to the generical 

 definition of Linnaeus, is a kind of Limax ; the Limax is one of the 

 Mollusca Tribe, or animals furnished with limbs; the mouth is placed 

 before, it has a lateral perforation, the feelers are four in number, and 

 the vent common with the lateral pore. This is the Linnaean charac- 

 ter of the animal inhabitant of the Voluta Genus, and consequently 

 of the species now before us. 



It is not to be disputed that the discoveries which have taken 

 place among the vermes of those testaceous bodies since the time of 

 Linnaeus, have introduced us to a far more extensive acquaintance 

 with the beings of this nature than Linnaeus could have possessed. 

 The term Limax, which Linnaeus applied not only to the animal 

 inhabitants of the Voluta family, but also to the Buccinum, the 

 Strombus, the Murex, the Trochus, the Turbo, in short to almost 

 every genus of the Univalves, and some even of the Bivalves could 



