115 



12. Col. reticulata. Lam. (pi. xxxvi. f. 23. 26.) 



Col. testa ovato-turbinata, leevi, alba, lineis spadiceis re- 

 ticulata ; spira brevi, obtusa, anfractibus 5, turgidis, ultimo 

 magno, antice transversim striate ; apertura angustiori, 

 flexuosa, dentibus labii externi et plicis columellee obso- 

 letiusculis. 



Shell ovate, turbinated, smooth, white reticulated with 

 brown lines ; spire short, obtuse, volutions 5, swelled, the 

 last large and transversely striated in front ; aperture rather 

 narrow, flexuous ; teeth of the outer lip and rugosities of the 

 columella rather indistinct. 



This species varies in its colouring, some specimens being 

 fulvous. From Brazil, in Mr. Cuming's collection. 



13. Col. festiva. Kiener. (pi. xxxvi f. 20, 27.) 



Col. testa ovata, albida, Isevi, apice breviter acuminate, 

 obtuso nigricante ; spira mediocre, anfractibus 5, ultimis 

 duobus postice albidis, \iltimo albido castaneo-maculato ; aper- 

 tura flexuosa, peritremate albo, denticulis columellee validis. 



Shell ovate, whitish, smooth, apex short, acuminated, 

 obtuse, blackish ; spire of middling length, volutions 5, the 

 two last whitish posteriorly, the last whitish spotted with 

 chesnut colour, and usually with a row of white specks a little 

 in front of the suture ; aperture flexuous ; peritreme white, 

 teeth of the columella distinct. 



Brought from Acapulco by H. Cuming. 



14. Col. mercatoria. Lam. (pi. xxxvi. f. 28 — 32. 



Col. testa subovali, crassiuscula, coloribus variis picta, 

 spira brevi, sub-acmninata, apice acutiusculo, anfractibus 5 ad 

 6, spiraliter sulcatis, primis interdum longitudinaliter sub- 

 costatis, ultimo maximo, postice sub-angulato, deinde ventri- 

 cosiusculo, demum subcoarctato, obtuso; apertura 2/3 

 longitudinem testae aequante, subsinuosa; labio externo 

 interne valide denticulate ; margine externo columellee ad 

 basin denticulis 6 ad 7^ interne denticulis 2 ad 3, antice 

 majeri : labio externo postice reflexo. 



Var. Monstrosa, spira producta. Sow. Gen. No. ix. 



Shell nearly oval, thick, variously coloured ; spire short, 

 slightly acuminated, apex sharpish, volutions 5 to 6, spirally 

 grooved, several of the first being sometimes longitudinally 

 but slightly ribbed, the last very large, posteriorly subangular, 

 then subventricese, at length somewhat contracted, obtuse ; 

 aperture two -thirds of the length of the shell, somewhat 



p 



