379 



Less ventricose ilian M. glahdla \\\i\\ the mouth sliortcr in 

 proportion to the spire, and the outer margin of the reflected hp 

 less distinct ; the shell is beautifully marked by zig-zag lines of 

 minute white spots. 



Mr. Cuming's and other Cabinets ; from Senegal. 



20. Marginella FULMiNATA (pi. Ixxviii. f. 173.) Kiener, Sp. 

 gen. coq. viv. Marginella, p. 33. pi. xii. f, 1. 



"M. testa ovata, sub-globosa, albida, maculis rufis, angulosis, 

 longitudinaHter depositis ornata ; spira conica, obtusa ; labro intus 

 albo ; varice extiis lutescente ; columella quadriphcata." 

 " Habite Tocean Atlantique austral, la baie de Bahia." 

 Not having the shell, we copy the description and one of the 

 figures. 



21. Majiginella AUUANTiA (pi. Ixxv. f. 49, 50.), Lam. Anim. 

 s. vert. vii. p. 358. 



M. ovali, Isevi, rubra, albo maculata, columella quadriplicate, 

 labio externo aurantiaco, iutiis crenulato, extus vahde reflexo. 



The difference between this and M. glabella is more easily 

 observed than described; it is however much less ventricose 

 and the outer lip more nearly straight ; there is also a peculiar 

 bluntuess about the anterior part of the shell ; the white irregular 

 markings are arranged in three interrupted bands across the body 

 whorl. 



Common. Trom the Eiver Gambia. 



22. Mahginella nodata (pi. Ixxiv. f. 30.), Iluids, Zool. 

 Proc. 1 844. March. 



M. testa elongate ovata vel sub-fusiformi, luteo-olivacea lineis 

 nigris subflexuosis longitrorsum ornata, punctis concoloribus con- 

 spersis ; labio intiis denticulato ; columella quadriplicata." 



"With the general aspect and character of J/. Clerjju, but 

 somewhat larger, more broadly shouldered, the longitudinal lines 

 studded at intervals with dark spots, and which are somewhat 

 regularly disposed in the transverse direction ; and lastly the spire 

 is less elongated and furnished with rather indistinct pliciform 

 ribs." 



In Capt. Belcher's Collection, from Cape Blanco, W. coast of 

 Africa ; found in sand at 12 to 15 fathoms. 



23. Mauginella musica (pi. Ixxv. f. 36, 37.), Hinds, Zool. 

 Proc. 1844, March. 



" M.testa ovata, cinereo-olivacea, lineis nigris transversim ornata; 



