M A R G I N E L L A . 



Plate X. 



Species 3S. (Fig. a, b, Mus. Cuming.) 



Maeginella Bernardii. Marr/. testa. cyUndracm-ob- 

 longd,fulvescente-cinerea, (/I'iseo lliwari-driyutd, spird 

 parvd, immersd, aiifractibua supenii tio/iido-roimidatis: 

 labro modice incrassato, albo, columdld sex-plicald. 



Bernardi's MarqinelI;A. Shell cylindricallj' oblong, 

 fiilvous-asli, linearly streaked witii grey, spire small, 

 immersed, whorls tumidly rounded at the upper part : 

 lip moderately thickened, white, columella six-plaited. 



Largilliee, Mag. de Zool. 184.5 ; Moll. pi. IIG. 

 MargineUa onycJiina, Adams and Reeve. 



Ilab. China Sea. 



Of a characteristic cylindrical form, with the spire im- 

 mersed, and the painting streaked, like the marking 

 of an agate. The columella is si.\-plaited. 



Species 39. (Fig. o, b, Mus. Cuming.) 



Marginella pulchra. Marg. testa obloiigo-ovatd, lii- 

 tescente-lanted, fasciis duabiis brunneis distnutibus inliis 

 citigulatd, splrd parvd, exsertd ; tabro modice incras- 

 sato, subjlexuoso. 



The beautiful Marginella. Shell oblong-ovate, yel- 

 lowish cream-colour, encircled within with two dis- 

 tant brown bands, spire small, exserted ; lip mode- 

 rately thickened, somewhat flexuous. 



Gray, Zool. Beechey's Voy. p. 13-5. pi. 36. f. 20. 



Ilab. St. Domingo, West Indies. 



Encircled by two very characteristic distant brown 

 bands, the colour of which is deposited in the interior of 

 the shell, and is seen externally through its substance, of 

 a soft milky hue. 



Species 40. (Fig. a, h, '\l\\<. Cuuiimr.) 



Mauginella quinqi-ei'LICata. 'Marg. testa oljeso-ovatd, 

 solidiiiscidd, C(Priilesceiite-a/bn, spird pari/iii e.vsertd, 

 avfractibus siiperne tumid o-ooiivexis ; labro incrassato, 

 cohimelld quinque- ad sex-plieatd. 



The five-plaited Marginella. Shell stoutly ovate, 

 rather solid, bluish-white, spire but little exserted, 

 whorls tumidly convex round the upper part : lip 

 thickened, columella five- to six-plaited. 



Lamarck, Anim. sans vert. vol. x. p. 437. 



Httb. Malacca (dredged from coarse gravel at the depth of 

 eight fathoms) ; Cuming. 

 In some specimens of this well-known species there are 



iiulieations of a sixth plait on the coluuiella. 



Fig. 41, a, b. 

 This shell, Margi.iiella Uaiiiesii, Petit, is certainly 

 nothing more than a callous thickened variety of the pre- 

 ceding species M. quiiiqneplicata. 



Species 42. (Fig. a, b, 5his. Cuming.) 



Marginella dactylus. Marg. testa aiigiiste obloiigd, 

 ci/liiidraced, Vwido-ci iiered, spird imiiiersd, occultd, 

 anfractibus superne rotiindatis, vix titmidis ; Inliro in- 

 crassato, columella ipiiiiqiie-plicatd. 



The finger Marginella. Shell narrowly oblong, 

 cylindrical, livid ash-colour, spire immersed, hidden, 

 whorls rounded at the upper part, scarcely swollen ; 

 lip thickened, columella tive-plaited. 



Lamarck, Anim. sans vert. vol. x. p. 442. 



Ilab. Hongkong ; Hinds. 



This species, with its cnncealeil spire, has very much of 

 the general aspect of a l^otvuriu. 



August, 1864. 



