372 



MOLLUSC A. 



and increasing regularly in width to the end opposite the snire 

 whxch.s more or less salient, according- to L srecksr Th.' 



animalis not known. The ^ne species(l> The 



VoLUTA, Lin. 



Varies as to the form of the shell nnrl iU.^ e .u 



recomiized hv ti. ^"e snell and that of the aperture, but is 



OuvA, Brug., 



~r:^lZl'''' """"^ ^"^ ^'"P""' ^^^P^ f "-e shell, the 

 sZ which i'.":'","' '''"' '"" ""-S'-ed PP-i.e to the 



and resemble stn.-e; the whorls are sulciform. These shells are 

 quite as beautiful as the Cyprsa;(2) 

 The animal has a large foot, the anterior part of which fbefore 



1 nh The I '" """ " """ "'' '""^ ""= "'""= of 'heir 

 length. The proboscis, siphon and penis are tolerably long, but it 



dage on .ts po ter.or portion, which enters the sulcus of the whorls 



five r r 7 r"' ' ''' ''""' ^'"'^ "" >f'"""ds divided into 

 five, by M. de Lamarck(3). The ""laea into 



VoLVAEiA, Lam., 



Closely resembles the Oliva in its oblong or cylindrical form; but 



he aperture is narrow, and its anterior edge ascends , the ton 



the spiie, which ,s excessively short. There is one plica, o I'severa. 



at the foot of the coliimpll-, Ti i ^ . :>c\tia., 



a.esuch,thatonsor:^::;j^:::::-^ 



(1) Terebellumsubulatum, Lam., ulla terebellum, L. List., 736, f. 30, Encyc 

 o60 .,-rereb convolutum. Lam., Sowerb., Gen. of Shells, No. vi ' 



P^rphy^ra, Vol. okva, and, m general, all the cylindrical Volut. of Gm., p. 3438, 



S'i St'r'f ST'^^^^^--^ ^3/^^//^ already mentioned. 



(4) Volv. monihs, L.; Volv. triticea. Lam., &c. 



(5) Volvariabulloides, Lam., Encyc. Method., pi. 384, f. 4. 



