M A R G I N E L L A. 



Plate III. 



Species 6. (Fig. a, fj, Mus. Cuming.) 



Makgixella Petitii. Marg. tesla subpyriforini-ovata, 

 solidd, nitente, alhd, pallide ruleicente-carneo subobli- 

 que promiscue late undatii, punctis fitscis in-effnlariiiis 

 plus minus obscure undique fasciatim piperatd, spird 

 nubpromlnuld, arifractibm superne dedini-nngnlalis, 

 labro iiwrassato, cohtmelld quadriplicatd, aperlurd sitb- 

 patuld. 



Petct's Makginella. Shell someivliat pyriformly-ovate, 

 solid, shining, white, proniiscuovisly rather obliquely 

 broadly-waved with pale ruddy rtesh-coloiir, more or 

 less obscurely bandedly jieppered throughout with 

 irregular brown dots, spire rather prominent, whorls 

 slopingly angled round the upper part, lip thickened, 

 columella four-plaited, aperture rather open. 



IH'VAL, Eevue Zool. Cuv. 1841. p. 278. 



Huh. ? 



X most truly delicate and beautiful species, of which 

 there is a specimen in the collection of Mrs. De Burgh 

 even larger than the specimen figured. 



Species 7. (Fig. o, b, Mus. Cuming.) 



:\rAiiGlNELL.v IIELMATINA. 3Iarg . tesld ocatd, ceerules- 

 ceiite-ciiiered, pmictis grisek umbratis copiose aspeisd, 

 macnlisqtie in fasciis daabus dislantibus ad apicem 

 Uneatd, spird conicd, anfradibus superne rotnndatis 

 et obscure p/icaiis, labro conspicite rejli-.vo, cohimelld 

 quadriplicatd. 



The grey Makginella. Shell ovate, bluish ash-colour, 

 copiously sprinkled with grey-shaded dots, with 

 spots in two distant bands, lineated at the apex, 

 spire conical, whorls rounded and obscm-ely plicated 

 at the upper part, lip conspicuously reflected, colu- 

 mella four-])laitcd. 



Hang, Mag. de Zool. 1829, class 5. pi. 5. 



Hnb. Senegal, and Mouth of the Gambia, West Africa. 



Distinguished by a copious and characteristic painting 

 of numerous shaded or dashed dots of bluish-grey, passing 

 at the apex into radiating lines. 



Species 8. (Fig. (/, b, Mus. Cuming.) 



Makginella Cemingiana. Marg. tesld ovaid, carules- 

 cenle-ciiiered, punctis griseis umbratis, seepe longitudi- 

 naliter midatis, copiose aspersd, macuUsque in fasciis 

 duabus dislantibus, ad apicem. Uneatd, spird conicd, 

 anfradibus superne rotundalis et obscure plicatis, labro 

 conspicne rejlexo, columelld quadriplicatd. 



Cuming's Mauginella. Shell ovate, bluish ash-colour, 

 copiously sprinkled with grey-shaded dots. ol'li'U lon- 

 gitudinally waved, with spots in two distant bands, 

 lineated at the apex, spire conical, whorls r<iunded 

 and obscurely plaited at the upper part, lip conspi- 

 cuously reflected, columella four-plaited. 



Petit, Revue Zool. Cuv, 18-tl. p. 18.5. 



Hab. Senegal, and Mouth of the Gambia, \Vest Africa. 



I adopt this sjjecies with reluctance, suspecting it to 

 be merely a large and fine state of the preceding species, 

 31. kelinatina. 



Species 9. (Fig. a, b, ^lus. Cuming.) 



^Iarginella Goodalli. Marg. tesld obtuse pyriformi, 

 rubesceule-aurantid, inacuUs niceis rotundatis, subaqui- 

 distaulibus aspersd, spird abbreciato-conicd, aufrac- 

 tibus superne gibboso-angulatis, infernii subrostralis, 

 labro incrassate rejlexo, intus crenulato, columelld 

 quadriplicatd. 



Goodall's Makginella. Shell obtusely pear-shaped, 

 ruddy orange, sprinkled with almost equidistant, 

 round, snow-white spots, spire shortly conical, whorls 

 gibbouslv auu'led round the upper part, somewhat 

 beaked at the lower, lip thickly reflected, crenulated 

 within, columella four-plaifed. 



SowEEBY, Taukerville Cat. app. p. 30. pi. 2. f. 2. 



Hab. Senegal, West Africa. 



This very beautiful, and now well-knonii species, is 

 quite unapproaclied in character by any other. 



Species 10. (Fig. a, b, ilus. Cuming.) 



Mauginella limhata. Marg. testa sublnte ovaid, so- 

 lidd, callosd, C(erulescente-albd,fHlxo-fusctscente lonyi- 



August, 1SG4. 



