408 



suture ; last whorl very large, three-fourths the length of the shell ; 

 aperture narrow; canal wide, truncated in front; right margin 

 strongly lipped, lip thick, very wide, exceeding the last whorl, 

 strongly one-toothed within ; left margin wide, rcflexed, thickened, 

 sulcate, three-toothed within, the teeth prominent and elongated. 

 Alt. 3-8, diam. 2'8 mill. (Folin.) 



Point P'limi/iinij ; //(///'/ A'"//'/ (Folin) ; Jnvn (Desh.). 



R. canalirtt/ntit FOLIN, Les Fonds i, p. 67, pi. ti, f. (5. MOHI.KT 

 Journ. de Conchyl. 1878, p. 120, pi. o, f. 6. 



The Java example of the Deshayes collection constitutes a variety 

 of smaller size. (Mori.). 



R. PROPINQUANS Hinds. Unfigured. 



Shell ovate, retuse, striated, shining; whorls rounded, the last 

 large, well rounded, closely striated. Alt. H. lines (Hds.) 



Sual, Philippines, 5-7 fins. 



R. propinquans HINDS, P. Z. S. 1844, p. 96. SMITH, P. Z. S. 

 1871, p. 733. LISCHKE, Jap. Meeres-Conch. ii, p. 78, 79. MORL., 

 Journ. de Conch., 1878, p. 122. 



Here the last whorl is not so square in shape, but very full and 

 rounded, and is neatly striated in a very regular manner, and the 

 spire is short. Till the light is properly thrown on them, these stria- 

 are not very evident, but once discovered they will be found con- 

 stant (Hinds). 



R. EXSERTA Hinds. Unfigured. 



Shell ovate, acuminate, smooth, polished whorls rounded, smooth; 

 spire elongate; lip strongly thickened behind. Alt. Is lines 

 (Hinds). 



Camiguing, 40 fms. ; Sorsogon, Luzon, 6 fms. PI ////>;> lues; Port 

 J'K-kaon, Au*tr'ili<i (Brazier). 



R. exserta HINDS, P. Z. S. 1844, p. 97. ANGAS, P. Z. S. 1871, p. 

 98. MORL., Journ. de Conch., 1878, p. 123. 



Compared with It. yrnii'lin<t*ti, the last whorl is small, but agrees 



in being quite smooth and round ; the spire is elongated as in //. 



<, and the labrum is even rather more reflected than is usual 



