I ; I \ i i I . \ . 



R. CARON Hinds. PI. 17. tigs. 63, 61 



Shell ovate, Mcmuinnte, striated, shinitiL r ; whorls rounded, the last 

 with subtransverse, rounded distant stri: : -pire exsertcd ; aperture 

 sababbreviated, the lip corrugated. < // - - 



Alt. :::, diam. LM mill. 



Strnit of Malacca, 17 fms. (Hinds); Ooat Island, J'<>rt ,J<i<: 

 'mini 10 fms., and Torres Strait (Brazier); Ghvadar (Blanf.;. 



/,'. ooron II i xix., Zool. Voy. Sulphur, ii, p. 47, pi. 1U, f. ]:,, K, 

 1 M I ; P. Z. S. 1844, p. 97. ANQAS, P. Z. S. 1871, p.98. NKVII.I., 

 Journ. Asiat. Soc. Bent:, xliv, pt. 2, p. 101, 102, 1875. Moi:r. ., 

 Journ. de Conch. 1878, p. 121, pi. 5, f. 7. BRAZIER, Proc. Linn. 

 Soc. N. S. Wales, ii, p. 77. 



This species is perfectly distinct in all its characters from A'. 

 acuta ; the right margin particularly is very different ; the distinct 

 development of the parietal tooth, the different texture and the stria- 

 tion are all distinguishing characters from R. 



R. ENCARPOFERENS Folin. PI. 47, fig. 65. 



Shell minute, globose, white, sometimes subdiaphanous, shining, 

 spirally regularly sulcate ; whorls 4, rapidly increasing, the last very 

 large, five-sixths the length of the shell; suture simple; aperture 

 elongate, the right margin strongly lipped, crenulated with rather 

 rounded lir*, outside broadly extended over the last whorl, inside 

 tumid toward the median part; emarginate at base; left margin 

 strongly reflexed and thickened, strongly toothed within, outward- 

 ly irregularly crenulated (Folin}. 



Alt. 2-5, diam. 2'2 mill. (Folin). 



Alt. 3, diam. 2'5 mill. (Nev.) 



Point of Pamalang, Batavia, and N. coast of Sam (Folin) ; Bala- 

 piti, Ceylon (Nevill). 



R. encarpoferens FOLIN, Les Fonds i, p. 66, pi. 6, f. 5, 1867-1871. 

 MORL., Journ. Conch. 1878, p. 121, pi. 5, f. 5. R. abbreviata 

 G. & H. NEVILL, Journ. Asiat. Soc. Beng. xliv, pt. 2, p. 102, 

 1875. 



K. \\ M.HTLATA Folin. PI. 47, fig. 69. 



Shell minute, ovate-globose, thick, solid, white, shining, lower 

 half most minutely transversely sulcate ; spire short, subacute ; 

 whorls ">, subconvex, rapidly increasing, separated by a rather deep 



