MARGINELLA. 



Plate XX. 



Species 99. (Mus. Cuming.) 



Marginella bibalteata. Marg. testa fusiformi-ob- 

 longd, angustd, pellucidd, nifente,fasciis duaim riifo- 

 fuscis distantibus cingitlatd, spird subexsertd, lahro 

 modice incrasmto, siibjlexiwso, columella quadriplicatd. 



The two-belted Marginella. Sliell fusiformly oblong, 

 narrow, transparent, glittering, encircled with two 

 distant red-brown bands, spire rather exserted, lip 

 moderately thickened, rather flexuous, columella four- 

 plaited. 



Hab. West Indies. 



A pretty, transparent, glittering shell, conspicuously 

 encircled with two distant red-brown bands, the upper of 

 which in one whorl falls in the suture of the next. 



Species 100. (Mus. Taylor.) 



Marginella livida. Marg. testa oblongo-cylindraced, 

 angustd, livido-cinered, pellucidd, obscurissime bifas- 

 ciatd, spird parvd, labro flexuoso, columelld quadri- 

 plicatd. 



The livid Marginella. Shell oblong - cylindrical, 

 narrow, livid-ash, transparent, very obscurely two- 

 banded, spire small, lip flexuous, columella four- 

 plaited. 



llab. ? 



A livid, semitransparent cylindrical shell, with a very 

 small spii'e. 



Species 101. (Mus. Cuming.) 



Marginella guttula. Marg. testd oblongo-cylindraced, 

 pellucidd, vitred, aurantio-fusco pallide trifasciatd, 

 spird parvd, labro flexuoso, columelld quadriplicatd. 



The little drop Marginella. Shell oblong-cylin- 

 drical, transparent, glassy, faintly three-banded with 

 orange-brown, spire small, lip flexuous, columella 

 four-plaited. 



Hab. ? 



A bright, glassy shell, encircled with three very faint 

 but well-defined bands of orano-e-brown. 



Species 102. (Mus. Cuming.) 



Marginella tribalteata. Marg. tedd conico-cylin- 

 draced, opaco-albd, tiitente,fasciis tribus aurantio-fuscis 

 cingulatd, spird parvd, anfractibus superni tumidlus- 

 culis, inferne aitenuatis, labro modice flexuoso, colu- 

 melld quadriplicatd. 



The three-belted Marginella. Shell conically cy- 

 lindrical, opake-white, shining, encircled with three 

 orange-brown bands, spire small, whorls rather 

 swollen at the upper part, attenuated at the lower, 

 lip moderately flexuous, columella four-plaited. 



Hab. ? 



Encircled with three conspicuous orange bands upon a 



shining, rather opake, milk-white ground. 



Species 103. (Fig. a, b, Mus. Cuming.) 



Marginella navicella. Marg. testd oblongo-cylin- 

 draced, subinflatd, carneo-albd, nitente, aurantio ob- 

 scure quadrifasciald, spird parvd, labro subflexuoso, 

 columelld quadriplicatd. 



The skiff Marginella. Shell oblong-cylindrical, a 

 little inflated, flesh-white, shining, obscurely four- 

 banded with orange, spire small, lip somewhat flexu- 

 ous, columella four-plaited. 



Hab. ? 



Of a more inflated growth than either of the preceding 



species. 



Species lO-l. (Mus. Cuming.) 



Marginella effulgens. Marg. testd oblongo-cylindra- 

 ced, semipellucido-albd, nitente, fasciis tribus aurantio- 

 fuscis latiuscuUs cingulatd, labro subflexuoso, columelld 

 quadriplicatd. 



The glittering Marginella. Shell oblong-cylindri- 

 cal, semitransparent, shining, encircled with three 

 ratlier Ijroad, orange-brown bands, lip somewhat 

 flexuous, columella four- plaited. 



Hab. Island of St. Thomas, West Indies. 



A bright, glossy, semitransparent shell, encircled with 



rather broad bands of colour. 



Januarv. IS 65. 



