203 



24. VoLUTA Ferussacii (pi. xlvi. f. 7.), Donorau; Nat. Rep., 

 vol. ii. pi. Ixvii. (1824.) rudis, Gra^; in Griffith's Cuvier, vol. xiii. 

 pi. XXX. f. 1. (1834.) 



Testa ovata, crassiuscula, rudi, fuscescente ; spira brevi, subacu- 

 minata ; apice papillari ; anfractibus 4-|-, ultimo longe maximo, ven- 

 tricoso; sutura indistincta, subdecurrente ; apertura magna, lata, 

 postice acuminata, labio externo tenuiusculo, interne incrassato; 

 columella quadiiplicata, plicis, antica valida, duabus intermediis me- 

 diocribus, postica subobsoleta. 



Shell ovate, rather tliick, and rough, brownisli ; spire thick and 

 short, somewhat acuminated ; apex papillary ; volutions 4|, the last 

 being by far the greatest, and ventricose ; suture indistinct, and 

 somewhat decurrent ; aperture large, broad, acuminated posteriorly, 

 outer Kp rather tliin ; inner lip tliickened ; columella vrith four folds, 

 of wliich the posterior is nearly obsolete, the two intermediate are 

 moderate sized, and the anterior very distinct. 



Tavo specimens of tliis species, both in very bad condition, are in 

 the British Museum. A third specimen is to be seen in the Rev. 

 Mr. Crotch's collection. 



25. VoLUTA Ancilla (pi. liv. f. 101.), Sol., MSS. 



Testa oblonga, ventricosiuscula, tenuiuscula, fulvescente, inter- 

 dum flammulis castaneis picta, spira conoidea, exsertiuscula, anfrac- 

 tibus 5, subventricosis, ultimo maximo, obovato, sutura subpbcata, 

 apertura elongata, columella triplicata. 



Shell oblong, rather ventricose and tliin, of a brownish yellow 

 colour, sometimes \\\i\\ chesnut coloured irregular streaks ; spire 

 conical, rather prominent; volutions 5, somewhat ventricose, the 

 last very large, and obovate; suture slightly plaited; aperture 

 elongated ; columella with tliree folds. 



There is little more than its more ventricose form to distinguish 

 this species from V. Magellanica. Both species are abundant about 

 the southern extremity of South America. The number of folds 

 on the columella appears to vary from 3 to 5. 



26. VoLUTA suBNODOSA (pi. xlvii. f. 24.), Leach ; Zool. Misc., 

 vol. i. t. 8. 



Testa oblonga, ventricosa, tenuiuscula, fulvescente, flammulis cas- 

 taneis varie picta, spira conoidea, exsertiuscula, anfi-actibus 5, sub- 

 ventricosis, primo laevi, intermediis subnodosis, ultimo maximo, obo- 

 vato ; sutura subphcata ; apertura elongata ; columella triplicata. 



Perhaps tliis should be regarded as only a variety of Voluta An- 

 ciUa. It is also brought from the Straits of Mag-alhsens. 



