RIVQII i I \. 



R.w< ' IffOBl . .T. de C., 188" 



< )ne of the smallest species known. Smaller th:m R.prlsm 

 less ventricose, with two lip-troth and a non-rhaim<-lh-d lUtare It 

 has a de.-per suture than /.'. ifiiijinii, the second fold i- ttTODgl r and 

 the ornamentation diilerent. 



K. UJUTA Philippi. 



Shell ovate-oblong, acuminate, transversely striated, the last 

 whorl a little longer than the spire; aperture made rin<n-nt ly the 

 lahrum beingstrongly thickened in the middle by a produced < 

 tate callus. Alt. 3$ mill. 



A<lf'n, Red Sen (Phil.) ; Jnva (Dupuy) ; Gulf of Oman, '///./</</>-, 

 ]>"inlnfi/, Ceylon, . 1 r<ik<m (Nevill) ; t SV//v//^/-< i Stolic/ka). 



R.(ten(,i I'll., Zeitschr. f. Mai. 1849, p. .S3. MOIM.KT .lourn. do 

 Conch. 1878, p. 116. ISSKL, Mai. Mar Rosso p. 137. NEVILL, J, 

 A. S. Beng. xliv, pt. 2, p. 101. R. <//,/>/</ II. Ai>., P. /. S. WJ, p. 

 11, pi. 3, f. 14. 



A narrow, acute form, almost exactly the same as R. *triutn Ph. 

 (fossil), but the stria? less closs, less conspicuous, and the lip in adults 

 strongly thickened within, produced in a blunt tooth in the middle. 

 (Ph.). 



Var. MINUTA H. Ad. PL 47, fig. 70. 



Shell solid, acuminate-ovate, sculptured with distant tran>< 

 sulci, white; spire acuminate; whorls 4, slightly convex, the last 

 ample; aperture ear-shaped, inner lip moderately calloused, provided 

 with two folds; parietal tooth conspicuous, delicate; lip thickened, 

 one-toothed within. Alt. 1J, diam. 1 mill. 



Red Sea. 



R. SAVICNYI Morlet. PJ. 47, figs. 85, 86. 



Shell small, ovate-globose, smooth, the spire short, acute; whorls 

 5, convex separated by a simple suture, the la>t whorl two-thirds the 

 entire length of the shell, base rounded. Aperture . the 



margins joined by a callus ; columellar margin arcuate, tripl 

 the upper fold strong, lower folds thick inunersed in the callus which 

 partly covers the canal; outer lip smooth, rectilinear, mar-und 

 outside, inside for two-thirds of the length dilated, suhdentate. Ah. 

 3, diam. 2$ mill. (Mori.). 



S 

 27 



