149 



regarded as a small and pale variety of JSf. plumhcn, under 

 which name, and that of Jf. siraitgei and N. haconi, I have 

 seen it in cubiuets. It is, however, entirely distinct in form 

 and color and seldom varies from the dimensions given. Hab. 

 E., S.E. and S. coasts. 



Natica nana. n.s. N. t. parva, solid'mscula, obliqui ovata, profunda 

 umbilicata, sordkld alba, subnUeiite, tenuitcr lowjitud. striata; spira sub- 

 elevata ; aiifract. 4, rotundato-convcxis snbloivlbus ; apertura semikinari ; 

 labro tenui ; labia recto crassiuscida. Diam. mag. 7. Min. 5. 



N. shell small, somewhat solid, obKquely ovate, deeply um- 

 bilicate, sordidly white, somewhat shining, slenderly striate 

 lengthwise, spire subelevate ; whorls 4, roundly convex, 

 smoothish, aperture semilunar; outer lip thin; inner lip 

 straight, somewhat thickened. 



Long Bay, about 6 fathoms, in sand, Eev. H. D. Atkinson 

 and Legrand. A small shell, white, slightly shining shell, 

 very different in size and coloring from any other Australian 

 form. 



E.UMA Globosa. n.s. R.t. profundi umbilicata, obliqu4 globoso-ovata, 

 alba, epidermide lutea; spira peMucida, convexa; anfradibus 4, declivi- 

 ventricosis, striis undnlatis, sttbtiUissimis, transversa cinctis ; aperlxura 

 elongato-pyriformi ; labro simplici ; labio postice rejlexo nitente. Diam. 

 maj. 27, diam. min. 19. 



R. shell deeply umbilicate, obliquely globosely ovate, white, 

 with a yellow epidermis ; spire pellucid, convex ; whorls 4, 

 slopingly ventricose, transversely girdled with very fine undu- 

 lating strise ; aperture elongately pyriform, outer lip simple ; 

 inner lip posteriorly reflexed, shining. 



East Coast, common. This large and very elegant Ruma is 

 of a globose habit, of dull white color, but sometimes com- 

 pletely covered with a shining, fibi'ous, thin yellow epidermis, 

 with much the appearance of having been deposited by the 

 mantle. In spite of its being common, it does not appear to 

 have been described. 



FosgARiNA siMSONi. U.S. F. t. obliqu4 depresso-globosa, 6btect4 um- 

 bilicata, temcis, alba subnitent6, fulvo undidos6 maculata, spira plano- 

 convexa, vix elevata ; anfraclibus 4> tenuissime creberrimdque longitudi- 

 naliter striatls ; ultimo anfracto vald6 expanso : apertura rotundata ; 

 labro simplici; labio arcuato, pgstice-dilatato, stdco transversa. Diam. maj.' 

 6^. min,, 5. 



F. shell obliquely depressedly globose, umbilicus somewhat 

 covered, thin, white, somewhat shining, undulately fulvous 

 spotted ; spire plano-convex, scarcely elevated ; whorls 4, very 

 finely and closely striate lengthwise ; last whorl very much ex- 

 panded, aperture rounded ; outer lip simple ; inner lip arcuate 

 dilated posteriorly, with a transverse groove. 



liare. Long Bay, Bruni Island, Eev. H. D. Atkinson and 

 Legrand. A pretty undulately variegated shell, with the 



