113 



nodulosis ; ultimo maximo, superne angulato ; apertura longi- 

 tudinal!, elongata, flexuosa, superne in canalem brevem 

 uncinatam porrecta; labio externo incrassato, intus denti- 

 culate ; denticulis confertis ; labio interne granuloso. 



Shell oblong, acuminated at both ends, fulvous, with a 

 central band articulated with whitish ; volutions six or seven, 

 of which the first are small, subnodulose, and the last very 

 large and angular behind ; aperture longitudinal, elongated, 

 flexuous, produced posteriorly in a short, hooked canal; 

 outer lip thickened, toothed within; teeth close set; inner 

 lip granular. 



Found on the Island of Muerte and in the Bay of Guaya- 

 quil. H. Cuming. 



8. Col. Duclosiana nob, (pi. xxxvi f. 15, 16.) 



Col. testa ovata, utrinque acuminata, longitudinaliter 

 costellata, saturate fusca, zonis binis pallidioribus ; spira 

 acuminata, anfractibus 5, costatis, ultimi magni parte ventrali 

 longitudinaliter costato, insterstitiis costarum transversini 

 striatis, dorsali laevigata, antice transversim striata ; apertura 

 latiuscula, flexuosa, nigricante; labio externo crasso, intus 

 denticulis 2 — 9, posticis majoribus; interne postice cal- 

 lifero ; canali breviter acuminate, sub-reflexo ; epidermide 

 crassiuscula. 



Shell ovate, acuminated at both ends, with small longi- 

 tudinal ribs, of a deep fuscous colour, with two paler zones : 

 spire acuminated, with five ribbed volutions ; the last volution 

 large, its ventral part longitudinally ribbed, with the interstices 

 of the ribs transversely striated, its dorsal part smooth, 

 transversely striated in front ; aperture rather bread, flexuous, 

 blackish ; outer lip thick, with from 8 — 9, small teeth within, 

 of which the posterior are the largest; inner lip with a 

 posterior callosity ; canal shortly acuminated, sub-recurved. 



Epidermis coarse and rough : found under stones en the 

 coast of Malacca; H. Cuming; also from Java. 



9. Col. chlorestoma, nob. (pi. xxxvi, f. 17, 18.) 



CoL testa ovata, longitudinaliter costata, leevi, alba, nigro- 

 maculata; spira mediocre, anfractibus 5, sub-ventricesis, 

 costatis, ultimo antice transversim striate, parte dorsali 

 antics costis ebsoletis ; apertura oblonga, latiuscula, peritre- 

 mate fulvescente ; labio externo postice angulato. 



Shell ovate, longitudinally ribbed, smooth, white with 

 black specks ; spire of moderate length, with 5 rather ventri- 



