214 



partly ribbed, with tumid ribs, and a broad, pale coloured, nearly 

 central band ; lip tunnel, somewhat contracted and rellected, with 

 an internal, oblique, nearly central varix ; columella with 5 or 6 

 folds, of which the three anterior are large, and the remainder in- 

 distinct. 



First brought by Mr. Cuming from the Gulf of Fonseca., in the 

 Province of San Salvador, Central America. We have represented 

 three varieties, two from Mr. Cuming's collection, and one from 

 Mr. N orris's. 



49. VOLUTA GuiLDINGII (pi. lv. f. 110, 1 1 1 . }, noils. 



Testa oblonga, crassa, fulvescente, lineolis saturatioribus aliisque 

 albis picta, spira, acuminata, apice obtuso, anfractibus 5 ad 6, sub- 

 ventricosis, longitudinaliter costatis, interstitiis costarum transver- 

 sim striatis, idtimo magno, lsevigatiusculo ; apertura mediocri, labio 

 externo extus incrassato, albicante, intus dente parvo instructo ; 

 columellse plicis quinque ad sex parvis, anticis duabus validioribus. 



Shell oblong, thick, fulvous, marked with little white hues, and 

 others of a darker colour, spire acuminated, with an obtuse apex ; 

 volutions 5 to 6, rather ventricose, longitudinally ribbed, interstices 

 of the ribs with transverse striae, the last volution large, rather 

 smooth ; aperture middle-sized, outer lip externally thickened, 

 whitish, furnished with a small tooth internally ; columella with 5 

 or 6 folds, of which the two anterior are more prominent. 



This is the smallest known species of Volute ; it was discovered 

 at St. Vincent's, by the late Rev. Lansdowne Guilding. In Mr. 

 Cuming's and Mr. Metcalfe's collections. 



50. Voluta Cyllenifoemis (pl.lv. f. 112. 113.) nobis. 



Testa parva, ovata, crassa, lfeviuscnla, albicante, macidis parvis 

 flavicantibus sparsim ornata; spira subcomca, anfractibus senis, 

 postice, coarctatis, acl suturam granosis, antice longitudinaliter cos- 

 tatis, ultimo magno, antice transversim striate, canah parvo, sub- 

 reflexo ; apertura oblonga, labio externo extus incrassato, margine 

 interno intus dente parvo instructo, labio columellari antice rugu- 

 loso, dentibus tribus parvulis munito. 



Shell small, ovate, thick, rather smooth, whitish, sprinkled with 

 small yellowish specks, spue somewhat conical, with 6 volutions, 

 which arc contracted posteriorly, granose at the sutures, and longi- 

 tudinally ribbed anteriorly, the last volution is large, and anteriorly 

 transversely striated ; canal small, slightly reflected ; aperture ob- 

 long, outer hp externally thickened, its internal edge furnished with 



